Air & Water Quality Tester

1. The instrument consists of an electrolytic rod with positive and negative electrodes (one is an iron rod and the other is an aluminum rod), and two electrodes are used as electric field introduction. After electrolysis, the positive Fe3+ ions are...

Display Type:DigitalWith Backlight Or Not:NoDIY Supplies:ElectricalProduct Description A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total...

Technical features:1. Dot matrix backlit LCD display2. Automatic temperature compensation, fast response time3. Portable and easy to carry4. Equipped with our own dissolved oxygen electrode (polarographic type coated type)Main Specifications:1. Measuring...

1. Measuring PH value of the solution2. Measuring the temperature of the solution3. LCD backlight hold4. Data hold 5. Temperature unit switch6. Power off memory 7. Solution temperature compensation8. Low battery indication

1. Material: ABS2. PM2.5 detection range: 0-999ug/m33. PM10 detection range: 0-999ug/m34. HCHO detection range: 0-9.999mg/m35. TVOC detection range: 0-9.999mg/m36. Carbon monoxide detection range: 0-1000PPM7. Carbon dioxide detection range:...

1. Use high-precision temperature and humidity sensors to detect in real time and automatically refresh data.2. 1.9-inch clear color display, 240 x 280 resolution, HCHO, TVOC, CO2, temperature, and humidity are more intuitive and easy to read.3...

1. Use high-precision temperature and humidity sensors to detect in real time and automatically refresh data.2. 1.9-inch clear color display, 240 x 280 resolution, HCHO, TVOC, CO2, temperature, and humidity are more intuitive and easy to read.3...

1. Measuring range: 400-50002. Measurement accuracy: 5PPM3. Measurement objects:W17 (carbon monoxide + carbon dioxide + formaldehyde + air quality + chemical pollutants)W17A (carbon monoxide + carbon dioxide + formaldehyde + temperature + humidity)4...

1. Measuring range: 400-50002. Measurement accuracy: 5PPM3. Measurement objects:W17 (carbon monoxide + carbon dioxide + formaldehyde + air quality + chemical pollutants)W17A (carbon monoxide + carbon dioxide + formaldehyde + temperature + humidity)4...

1. Scope:- Total chlorine: 0-10- Free chlorine, acid-base value (pH): 0-10- PH: 6.8-8.4- Total alkalinity: 0-240- Total hardness: 0-1000- Cyanuric acid, melamine: 0-2402. Fast detection, simple operation3. Easy to use, suitable for the detection of...

Product Description:This product is a multifunctional air quality detector that detects Ozone( O3), Total Volatile Organic Compounds (TVOC), Particulate Matter

1. The color indication of the air quality level is more intuitive2. Track the hazard degree of harmful gases and grasp the health status of the environment3. Semiconductor, infrared, electrochemical detection technology, long standby, alarm...

1. The color indication of the air quality level is more intuitive2. Track the hazard degree of harmful gases and grasp the health status of the environment3. Semiconductor, infrared, electrochemical detection technology, long standby, alarm...

1. Measuring range: 0-20002. Measurement accuracy: 1ppm3. Measurement objects: carbon dioxide, HCHO, TVOC, temperature and humidity, PM10, PM1.0, PM2.54. Power: 5W5. Shutdown current: less than or equal to 1mA6. Buzzer output: 0.2W7. Standby...

1. Display mode: smart color screen2. Working voltage: DC 5V3. Working temperature: 10-50 degrees Celsius4. Battery capacity: 1200mA5. Alarm method: color and sound dual reminder6. Standby time: 10 hours7. Security range:-CO2: 350-2000ppm-TVOC: 0.000-2...

1. LCD large screen display with backlight, easy to cope with a variety of environments2. Celsius and Fahrenheit units switch3. Automatic temperature compensation4. Switch between TDS and conductivity5. Can be used: for water treatment industry, drinking...

1. LCD large screen display with backlight, easy to cope with a variety of environments2. Celsius and Fahrenheit units switch3. Automatic temperature compensation4. Switch between TDS and conductivity5. Can be used: for water treatment industry, drinking...

1. Measuring PH value of the solution2. Measuring the temperature of the solution3. LCD backlight hold4. Data hold 5. Temperature unit switch6. Power off memory 7. Solution temperature compensation8. Low battery indication

Features1. Real-time dynamic measurement of PM2.5/PM10 concentration in air. 2. Ambient temperature and humidity measurement/temperature unit conversion. 3. It has three different display mode switching. 4. Many function, MAX/MIN display, data saving...

1.This is a digital TDS meter tester to test the filter water quality purity, to check the performance of your water filter, to check for hardness to make sure you always drink pure water.Saves measurements for convenient reading and recording New...

1. Material: ABS2. Display mode: digital tube display3. Atmospheric pressure: 86Kpa - 106Kpa4. Detection method of PM: laser scattering5. Sampling time: 1.5 seconds6. Detection of PM2.5: 0-999 ug/cubic meter7. Detection temperature: -10 to 50 degrees...

1. Material: ABS2. Display mode: 2.8-inch LCD screen display, 320 x 240 pixels3. Atmospheric pressure: 86Kpa - 106Kpa4. Detection method of PM: laser scattering5. Sampling time: 1.5 seconds6. Detection temperature: -10 degrees celsius to 50 degrees...

Feature:1. Accurate detection: It can accurately and quickly monitor the indoor CO2 concentration to protect your health. It can also test indoor temperature and humidity in real time.2. Stable and durable: Built-in rechargeable battery can continuously...

1. Material: ABS2. Power supply: 2000mAh rechargeable lithium battery3. Sampling time: 1.5 seconds4. Detection temperature: -10 degrees celsius to 50 degrees celsius5. Relative humidity: 20 percent to 85 percent6. Storage temperature: -10 degrees celsius...

1. Material: ABS2. Display mode: 2.8-inch LCD screen display, 320x240 pixels3. Atmospheric pressure: 86Kpa - 106Kpa4. Detection method of PM: laser scattering5. Sampling time: 1.5 seconds6. Detection temperature: -10 to 50 degrees celsius7. Relative...

1. Material: ABS2. Display mode: 4.3-inch LCD display, 320 x 240 pixels3. Atmospheric pressure: 86Kpa - 106Kpa4. PM Detection Method: Laser Scattering5. Sampling time: 1.5 seconds6. Detection temperature: -10 degrees celsius to 50 degrees celsius7...

1. Material: metal+ABS2. Support history saving3. Support temperature offset4. 4.3 inch LCD screen display, history record preservation5. Temperature unit between celsius and fahrenheit switch6. CO2 Technology: Infrared (NDIR)7. CO2 detection range:...

1. Material: ABS2. Power supply: rechargeable lithium battery 3000mah3. Save with history4. Near the warning line buzzer alarm on/off5. Temperature unit between celsius and fahrenheit switch6. PM2.5 sensor7. Technology: laser scattering8. HCHO/TVOC:...

1. Material: ABS2. Accurate measurement3. Clear reading4. Applicable scene: Indoor5. Stable performance, strong anti-interference ability, low consumption6. Function: Measure CO2/HCHO/TVOC, temperature and humidity7. The ventilation holes accelerate the...

Instrument instructions:1. After the test, the power of the equipment must be turned off to avoid accidents2. Prevent the instrument from violent vibration3. After placing the instrument for a long time, the odor gas will accumulate in the instrument,...

1. Material: ABS2. PM2.5 detection range: 0-999ug/m33. PM10 detection range: 0-999ug/m34. HCHO detection range: 0-9.999mg/m35. TVOC detection range: 0-9.999mg/m36. Carbon monoxide detection range: 0-1000PPM7. Carbon dioxide detection range:...

1. Temperature, humidity, carbon dioxide concentration values2. Three levels of carbon dioxide concentration detection, normal (1-700PPM), warning (700-1500PPM), dangerous (1500-5000PPM)3. Applicable to a variety of scenarios, real-time monitoring, in...

1. WiFi connection, temperature, humidity, carbon dioxide, buzzer alarm, Tuya Smart2. When the carbon dioxide concentration reaches the preset value, the buzzer will alarm3. Applicable to a variety of scenarios, real-time monitoring, in the car, public...

1. Fast response speed, high precision, of its stability, good repeatability.2. The apparatus is widely used in metallurgy, power plant, farms, mines, chemical, scientific research, medical, pharmaceutical, environmental protection, and other fields.3...

1. Test the pH level and temperature of solution/water with data hold function.2. Pocket size, lightweight and portable with switchable backlight & large LCD display for clear reading.3. Replaceable pH sensor probe - The electrode probe can be replaced...

1. High-precision laser sensor, accurate and sensitive, so that the original shape of the contaminated particles is exposed. 2. Real-time monitoring of humidity, temperature, PM2.5. 3. When PM2.5 exceeds the alarm value, the instrument flashes red data...

1. Fast detection, 4S/time real-time refresh2. 4 colors indicate changes in the status of carbon dioxide3. The instrument adopts a three-dimensional air duct design, and the air convection design is more accurate.4. LCD screen display + smart backlight,...

1. Material: PPO shell, inner core galvanized copper2. Weight: About 42 grams3. Size: about 16.3x2.9x1.6 cm4. Test items: TDS/conductivity/temperature5. Test range: 0-9999PPM6. Resolution: 1PPM7. Temperature test range: 0-99 degrees Celsius8. Accuracy:...

1. Applicable scenarios: home, hospital, swimming pool, disease control center, water plant laboratory, aquaculture industry2. Detectable range: 0-99903. IPX6 waterproof body, prevent a lot of water splash4. Powered by two button batteries...

1. Measuring range:0-1999 PPm(mg/L) 2. Resolution: 1 PPm(mg/L) 3. Accuracy: +/-2%F.S 4. Operating Temperature: 0 degree - 50 degree C(32degree F-122 degree F) 5. Pocket sized and feather-weight for portable use in a large number of applications...