Detectors, Meters & Testing Equipment

The SmartSensor Handheld EMF Detector provides simultaneous electric and magnetic field readings for practical, on-the-go monitoring in home and office environments. Use it to identify EMF sources around high-voltage lines, electrical panels, appliances, and wired installations, aiding layout decisions and quick troubleshooting. Dual-parameter EMF detection: electric and magnetic fields measured simultaneously for quick checks. Ranges: Electric field 0–1999 V/m; magnetic field 20 Hz–300 Hz; E-field frequency 20 Hz–3.5 GHz. Audible and visual alarm when readings exceed preset safe values. Data hold, max/peak readings, and one-key lock simplify logging readings. Large LCD display for easy viewing; handheld with one-handed operation. Temperature readout in Celsius/Fahrenheit; power by 3x AAA batteries (not included). Fit: This handheld detector is well suited for homeowners, technicians, and office environments that require quick, on-site EMF checks.

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The Ultrasonic Liquid Level Meter offers a reliable way to monitor water tank levels using ultrasonic technology, helping users track heights accurately without direct contact. In everyday use, this meter suits scenarios like monitoring household water storage or agricultural tanks, where it provides real-time data to prevent low levels or overflows, and alerts for timely interventions. Calculates liquid level based on ultrasonic echo time for precise measurements up to 5 meters. Features automatic low water level alarms and real-time temperature monitoring for added awareness. Transmits data wirelessly over 433MHz band with up to 100 meters range in open spaces. Includes IP65 waterproof rating for the transmitter, ensuring durability in outdoor conditions. Powered by standard AAA batteries (not included) for easy setup and portability. Delivers high-resolution readings: water level to 0.01m and temperature to 0.1 degrees Celsius. This meter fits well for users needing accurate, wireless monitoring of tanks from 1 to 5 meters, with compact designs for both transmitter (6.8x10.9x16.7cm) and receiver (13.5x2.6x8.4cm).

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This ultrasonic liquid level monitoring device uses sound waves to measure water levels in tanks, providing reliable data for everyday monitoring needs. It features ultrasonic technology to calculate height based on echo time, along with temperature tracking for comprehensive oversight. In a typical setup, such as a home water storage system, this device helps users track tank levels and receive alerts for low water, preventing shortages and aiding in efficient water management without constant manual checks. Monitors water levels with a range of 1-5 meters and accuracy of +/-0.05m Provides real-time temperature readings for water tanks (-40 to 60°C) and indoor environments (0-50°C), with 0.1°C resolution Includes automatic low-level alarms that sound for up to 120 seconds Transmits data via 433MHz frequency, effective up to 100 meters in open spaces Waterproof transmitter (IP65 rating) powered by included 6xAAA batteries, weighing 216g and measuring 6.8x10.9x16.7cm Receiver unit requires 3xAAA batteries, weighs 184g, and measures 13.5x2.6x8.4cm for easy placement Ideal for residential water tanks, agricultural setups, or any application requiring precise level and temperature monitoring to maintain operational efficiency.

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This electronic water tank level gauge with temperature monitor helps track liquid levels and temperatures accurately for various storage tanks. In a home or farm setting, it provides real-time data to prevent overflows or shortages by alerting users to high/low levels and temperature changes, allowing for timely maintenance and efficient resource management. Measures liquid depth up to 15 meters with a 10-level indicator for easy monitoring Records maximum and minimum depth levels and offers high/low alarms for added safety Displays indoor and ambient liquid temperatures with +/-1 degree Celsius accuracy Includes an alarm clock function and wireless transmission up to 100 meters Operates on batteries with a transmitter that updates every 30 seconds if levels change Compact design: Receiver measures 108x94x27mm, transmitter 97x68x152mm, suitable for desktop or wall mounting This device fits well for residential water tanks, agricultural storage, or any setup needing reliable, wireless level and temperature oversight.

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This portable sound and light alarm detects water leaks in your home, helping to prevent potential damage from unnoticed spills. Measuring 7.2 x 7.2 cm and weighing just 160 grams, it's made from durable ABS material for everyday use. Use this alarm in areas prone to leaks, like kitchens or bathrooms. Simply place it flat on the surface with the sensors facing down; it activates with a loud sound over 120dB and flashing light when water contacts the probes, alerting you to issues before they escalate. Lightweight and portable design for easy placement and relocation High sensitivity to detect even small amounts of water quickly Waterproof and moisture-proof construction for reliable performance Detachable and replaceable battery setup using a standard 9V alkaline battery (not included) Loud, clear alarm that's easy to identify from a distance Durable build to withstand frequent use in humid environments Ideal for homeowners or renters looking to monitor common leak-prone areas, this device offers a simple solution for early detection and peace of mind.

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This water leak and overflow detection alarm monitors potential water issues in household areas, alerting you to leaks or overflows before they cause damage. In a typical scenario, position it under a kitchen sink or near a bathroom fixture to catch early signs of water buildup, allowing you to address problems promptly and avoid costly repairs or mold growth. Compact dimensions of 8×3cm and lightweight at 90g for discreet and easy placement in tight spaces. High sensitivity to detect water presence quickly, reducing the risk of unnoticed leaks. Loud alarm exceeding 85 decibels for clear, identifiable notifications in noisy environments. Durable ABS material that withstands everyday use without degrading over time. Portable design makes it simple to move between locations like laundry rooms or near drinking fountains. Operates on a 9V alkaline battery (not included) with low current draw of 0.15A for efficient power use. This alarm fits well in homes or apartments where water sources are common, providing a practical solution for everyday leak monitoring.

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The Xiaomi Smart Wireless Water Leak Detector offers a straightforward way to monitor for potential water leaks in your home. This device detects even minimal water presence, helping you address issues before they escalate. In everyday use, position it in high-risk areas like under sinks, near appliances, or in basements. It sends alerts to your mobile app upon detecting water, allowing quick response to prevent damage without the need for complex setup. Detects water at a precise 1mm level for early notification Features IP67 waterproof protection for reliable performance in moist environments Utilizes Bluetooth 5.0 for wireless connectivity, operable independently Requires a CR2032 button battery (not included) and supports over 2500 activations Integrates with smart home systems for scene control and automated responses No installation needed—just place and go This detector fits well for homeowners seeking an accessible tool to enhance everyday safety and protect against water-related risks.

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The NEO WiFi Water Leak Detector helps monitor for potential water leaks in your home or property, providing timely smartphone notifications to address issues early. In everyday use, position this sensor near pipes, sinks, or basements to detect moisture buildup, allowing you to respond quickly and avoid costly water damage or mold growth. Detects leaks with an audible beep and instant alerts via a connected app Operates on a single CR2 battery for up to 2 years of standby time Uses 2.4GHz WiFi with a range of up to 45 meters for reliable connectivity Features an IP55 rating for protection against dust and water splashes Works with free apps like Tuyasmart or Smart Life on Android and iOS devices This detector fits well in residential settings, offering a practical solution for proactive leak monitoring and peace of mind in managing home maintenance.

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The water leak detector alarm is a straightforward device that activates upon detecting water, helping to alert you to potential leaks in your home. In everyday use, position this detector near appliances like washing machines, under sinks, or by water heaters to catch leaks early and avoid water damage to floors and belongings. Activates automatically when its three contactors touch water, emitting an 85dB alarm for immediate notification. Requires no buttons or programming; simply place it in the desired location for easy setup. Constructed from durable ABS plastic, allowing it to float during floods for reliable performance. Versatile for monitoring areas such as sump pumps, radiators, and sink cabinets. Compact design ensures it fits discreetly in tight spaces without obstructing daily activities. Provides a simple, low-maintenance solution for early leak detection. Light specifications include its ability to float and operate without batteries, making it suitable for various home environments where water exposure is a concern. This detector fits well in homes prone to plumbing issues, offering a practical way to safeguard against unexpected water leaks.

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This water leakage detector with two sensors offers a practical solution for monitoring potential water issues in residential settings. In everyday use, position the detector near high-risk areas like kitchens, bathrooms, or basements. When water contacts both sensors, it triggers an LED indicator and sends a wireless signal to a paired alarm system, enabling early detection and helping prevent costly water damage. Rustproof sensors ensure reliable performance in moist environments Low power consumption extends battery life for sustained monitoring Low voltage indication alerts users to replace batteries promptly Microcontroller (MCU) technology reduces false alarms for more accurate alerts SMT manufacturing techniques provide stable and consistent operation Compatibility options via jumper cap for use with various alarm hosts Light specifications include wireless pairing and two-sensor detection. This detector fits well for homeowners seeking straightforward home safety measures against water leaks.

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The NEO Zigbee Water Sensor offers reliable leak detection with app-based notifications, helping users monitor water presence in various settings. In everyday use, place this sensor near appliances like washing machines or under sinks to detect leaks early, allowing for quick response to prevent potential water damage. It integrates with free iOS and Android apps for remote monitoring via push notifications. Detects water leakage and sends immediate alerts to your mobile device Utilizes Zigbee 3.0 protocol for stable wireless connectivity up to 55 meters Powered by 2 AA batteries (not included) with low standby current for extended use Operates in temperatures from 0 to 50 degrees Celsius and humidity levels of 20% to 85% Compact size of 82mm x 42mm x 16mm for easy installation in tight spaces Works with standard 2.4GHz frequency for broad device compatibility This sensor fits well in homes or small offices where early leak detection can minimize risks from water accumulation.

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This metal protective guard helps safeguard fire sprinkler heads from accidental damage in various settings. In warehouses, offices, or homes, it acts as a simple barrier against impacts, preserving the integrity of sprinkler systems and supporting reliable fire safety measures. Built from durable metal to withstand everyday wear Lightweight at just 44g, allowing for effortless installation and minimal added bulk Tool-free setup that fits quickly over most standard sprinkler heads Provides targeted protection against bumps or objects that could trigger unintended activation Reduces the risk of damage in high-traffic areas without obstructing sprinkler function Offers a straightforward solution for maintenance routines This guard suits environments where sprinkler heads are exposed to potential hazards, making it a practical choice for building owners and safety professionals.

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This water leakage alarm serves as a reliable tool for detecting and alerting to potential water overflows in residential settings. In everyday scenarios, such as monitoring under-sink areas in kitchens or near washing machines, it provides timely notifications to help avoid water damage and costly repairs by sounding an alert when moisture is detected. Emits a 130dB alarm for clear audibility in various environments Features a highly sensitive 24k plated detection board for accurate water sensing Includes a 95cm extendable cable to reach tight or remote spots Uses a 3M adhesive for straightforward, tool-free installation on flat surfaces Powered by a standard 9V battery (not included) with energy-efficient design for up to 12 months of operation Constructed from durable ABS material, measuring 90x58x26mm for discreet placement With its compact design and independent operation, this alarm fits well in homes or apartments where early leak detection is needed to maintain safety and protect property.

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This natural gas and LPG leak detector is designed for monitoring potential gas leaks in residential spaces, helping to enhance home safety. In a typical kitchen setting, where gas stoves or appliances are common, this device can detect early signs of methane or liquefied petroleum gas leaks, allowing users to take prompt action and avoid risks like explosions. LCD screen provides a clear digital display of gas concentrations for easy monitoring. Detects natural gas and LPG, focusing on common household fuels to prevent accidents. 90dB audible alarm activates when gas levels reach a set threshold, alerting users effectively. Plug-in design with micro USB power for simple wall or ceiling installation without tools. Compact size of 9.6x9.6x3.3cm made from durable ABS material, fitting discreetly in various spaces. Quick response time of under 30 seconds to enhance real-time safety. With its straightforward setup and reliable detection, this detector suits homeowners in areas with gas utilities, offering practical peace of mind for everyday use.

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This carbon monoxide detector monitors indoor air for harmful CO gas, using an electrochemical sensor to detect levels as low as 5 PPM. It includes a voice alert for clear notifications. In a typical home, place this detector in areas like the kitchen or bathroom near gas appliances. It provides early warnings of rising CO levels, allowing time to ventilate or evacuate, thus enhancing everyday safety routines. LCD screen displays real-time CO concentration from 000 to 999 PPM for easy monitoring. Human voice prompt activates at set alarm levels, clearly stating the issue without confusion. Electrochemical sensor offers stable and reliable detection, responding quickly to CO presence. Low current consumption extends battery life, with a warning indicator for timely replacement. Test button allows manual checks and temporary silencing during non-emergencies. Fault detection feature shows an error code if issues arise, ensuring device integrity. With dimensions of about 9.9 x 9.9 x 3.5 cm and available in black or white, this detector fits discreetly on walls or ceilings in standard home environments, making it a practical choice for family safety.

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This WiFi smoke detector offers reliable home safety monitoring by detecting smoke and sending instant app notifications to your mobile device. In a typical home setting, it provides early warnings of potential fires, allowing users to check status remotely via the app, which is especially helpful for families with multiple members or those often away from home. Delivers app push notifications for real-time smoke detection alerts Features easy installation on walls or surfaces using screws or adhesive tape Includes sensitive induction for stable and accurate performance Supports multi-person mobile monitoring for shared household safety Constructed from ABS fire retardant material for good heat and impact resistance Emits a high-pitched sound and light alarm for immediate local awareness With dimensions of about 4.6x11x11cm and a weight of 130g, it's compact and operates on a 9V battery (not included). This detector fits well in various environments like homes, schools, or small businesses, enhancing overall fire safety measures.

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This portable air quality detector measures CO2 and formaldehyde levels, helping you track indoor pollutants with reliable detection technology. In everyday scenarios, such as monitoring air in your home office or bedroom, it provides quick readings to identify potential issues like high CO2 from poor ventilation or formaldehyde from new furniture, allowing for timely adjustments. Detects formaldehyde, chemical pollutants, and CO2 using natural air flow technology for straightforward monitoring LED digital display with light indicators for easy viewing of current air quality status Compact dimensions of 68mm x 70mm x 40mm and lightweight at about 90 grams for convenient portability Battery capacity of 1000 mA offers up to 360 minutes of standby time after a 4-hour charge Initial warm-up in 120 seconds for fast results, with a working voltage of 5V This device fits well for those in urban environments or homes with potential sources of indoor pollutants, offering practical insights for better air awareness.

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This detached photoelectric smoke fire detector serves as a reliable home security device, alerting to potential fire hazards through smoke detection. In a typical home setting, it's useful for early warning in areas like kitchens or bedrooms, allowing residents to respond quickly to smoke, potentially preventing fire spread. It integrates with existing security systems via wireless signals for added peace of mind during daily activities or when away. Photoelectric sensor detects smoke particles effectively, suitable for various fire types. 180-degree detection angle and 30-meter range ensure broad coverage in rooms. Powered by an included DC9V battery, with low quiescent current of 10 uA for long-lasting operation. Emits an alarm sound over 80dB within 3 meters for clear audibility. Operates in temperatures from -10°C to 50°C and humidity up to 95% RH, making it versatile for different environments. Wireless 433MHz frequency allows for potential integration with other alarms. Compact design at about 135g, easy to install on ceilings or walls. Light specifications include a 10mA alarm current and simple setup, ideal for homeowners seeking basic fire safety without complex systems.

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This wireless smart smoke alarm offers reliable smoke detection with voice alerts, designed for everyday home use. It uses an intelligent algorithm to monitor for smoke and potential fires, helping to provide timely notifications. In a typical home setting, this device can detect smoke early and issue voice alerts, giving occupants clear instructions to respond quickly and safely, such as in kitchens or bedrooms where cooking or electrical issues might occur. Features a smoke detection algorithm with high sensitivity and strong anti-interference to reduce false alarms. Provides voice prompts and alarms for easy understanding, along with support for multiple notification channels like SMS, Wi-Fi, and central systems. Allows remote monitoring and configuration via GPRS, with up to 5 preset alarm calls for customized alerts. Operates on a DC9V battery with low voltage warnings to ensure consistent performance. Compact size of 10.6x10.6x4.2cm and made from ABS material for easy installation in various spaces. Emits alarms over 80dB and works in temperatures from 0°C to 50°C for versatile use. This smoke alarm fits well in homes or small spaces where wireless, multi-channel notifications can address common safety concerns like fire risks.

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This wireless natural gas detection alarm is designed for home safety, monitoring environments for potential gas leaks from natural gas, liquefied petroleum gas, and coal gas. In a typical home setting, such as a kitchen or basement, it provides early detection to help prevent accidents by alerting users with clear audio and visual signals when gas levels reach specified thresholds. Features a self-test function to ensure the device is operational Uses Motorola IC control for reliable performance and reduced false alarms Offers audio alarms over 85 dB at 1 meter for clear notification Includes a low battery alert to maintain continuous monitoring Has a durable sensor head with a 3-year life, less affected by common solvents Responds in under 30 seconds to detected gases Supports wireless emission at 315/433 MHz with up to 120 meters open distance Light specifications include operation in temperatures from -10°C to 45°C and voltages from 100V to 240V AC, making it suitable for various home setups where gas safety is a concern.

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This battery-operated smoke detector, from Xiaomi Honeywell, helps enhance home safety by detecting smoke and carbon monoxide. It operates without wiring, making it straightforward to install in various locations like kitchens or living areas. In a typical use case, place it in the kitchen to monitor for dangerous gases. If smoke or CO levels rise, it sounds an alarm and, when paired with the required Multifunctional Gateway, sends alerts to your smartphone for quick response. Battery-powered design for easy, wire-free installation Detects smoke and carbon monoxide to alert on potential hazards Integrates with a compatible gateway for mobile notifications Compact and lightweight, suitable for mounting on walls or ceilings Requires no complex setup, ideal for everyday home use Long-lasting battery life to ensure reliable operation This device fits well in homes seeking a simple, effective solution for fire and gas detection, especially where wired options are impractical.

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This 2-in-1 carbon monoxide and smoke detector provides essential monitoring for indoor spaces, combining detection of both CO and smoke in a compact design. In everyday use, it's helpful in homes with gas appliances, fireplaces, or kitchens, where it can alert users to rising CO levels or smoke, allowing for quick response to potential safety issues. Dual sensors for accurate detection of carbon monoxide via electrochemical technology and smoke via infrared photoelectric sensing Real-time LCD display shows CO concentration and smoke levels for easy monitoring Battery-powered with 3x1.5V AA batteries, including a low battery alert to ensure continuous operation Alarm features sound and light prompts, with a loud alert to notify occupants Compact size of 96x96x41mm for discreet installation via adhesive backing Operates in temperatures from 0-50°C and humidity up to 95%, suitable for various home conditions Simple setup without tools, making it accessible for renters or homeowners This detector fits well in standard residential settings, offering practical safety monitoring without complex requirements.

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This photoelectric smoke detector serves as a practical addition to home fire safety systems, featuring a red LED indicator for clear alerts when smoke is detected. In everyday use, it's helpful in residential settings like apartments or houses, where it can monitor areas up to 80 square meters and provide early warnings to help prevent fire incidents by detecting smoke particles reliably. Utilizes photoelectric technology for effective smoke detection in various environments. Operates on a wide voltage range of DC 9-35V, ensuring compatibility with different power setups. Incorporates a metal shield to reduce radio frequency interference, maintaining stable performance. Features low quiescent current (≤100uA) for energy efficiency during standby. Alarm activates with a current of 70-90mA and includes a red LED for visual notification. Made from durable ABS material, with a compact size of 10.3x4.9cm for easy installation. This detector fits well in homes or small spaces needing reliable smoke monitoring, offering straightforward setup and consistent operation without complex requirements.

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This battery-operated smoke alarm offers essential home safety monitoring with its compact design. It detects smoke and alerts users through sound and light, helping to provide early warnings in potential fire situations. In a typical home setting, this alarm can be placed in bedrooms, hallways, or kitchens to monitor for smoke, giving residents time to respond and evacuate safely, especially in multi-level houses or shared spaces. Compact size of 107x35mm for easy installation in various locations without obstructing space Shell made from ABS fire-proof material, designed to withstand high temperatures Operates on a single DC9V 6F22 battery, ensuring functionality even during power outages Features an acousto-optic alarm for clear auditory and visual alerts Includes simple test methods like a button press or smoke simulation to verify operation Sensitivity meets UL217 standard, suitable for detecting smoke in everyday environments This smoke alarm fits well in indoor areas such as family homes, warehouses, or dance halls, making it a practical choice for diverse safety needs.

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