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 …

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 …

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: 0.2…

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 + tempe…

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 + tempe…

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 detect…

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 Spe…

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 quali…

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 instr…

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 pos…

1. Display form: LED screen2. Formaldehyde detection range: 0-1.999 mg/m33. TVOC detection range: 0-9.999 mg/m34. TVOC effectors: benzene, alkanes, alkenes, ketones, etc.5. Detection temperature: -10-45 degrees Celsius6. Detection…

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…

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 scat…

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. C…

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 cel…

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 …

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 …

About the product1. EC conductivity meter for test the quality of water. 2. The measuring water probe of conductivity test pen is made of titanium alloy materials. 3. Appearance dexterous, beautiful, small size, measuring high pr…

1. Display form: LCD2. Formaldehyde detection range: 0-1.999 mg/m33. TVOC detection range: 0-9.999 mg/m34. TVOC effectors: Benzene, alkanes, alkenes, ketones, etc.5. Temperature detection range: 0-50 degrees Celsius6. Moderate det…

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 …