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$
44.40
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Condition: New
Location: Israel
VISUAL / AUDIO GAS INDICATORS: 6 LEDs with 85dB alarm notify user of presence and relative concentrations of natural gas & propane leaks.
$
299.99
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Condition: New
Location: Chino Hills, United States
Exposure to high levels of these pollutants can lower productivity, affect sleep and athletic performance, and influence mood.
$
89.99
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Condition: New
Location: China
After the modification, upload the sample code to your Arduino board. For that reason, our engineer's designed a high quality CO2 sensor. This is the ... morefirst CO2 sensor on the opensource hardware market.
$
153.00
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Condition: New
Location: 龙华区, China
TM-801 CO meter is used for measuring the CO levels to 1000ppm. Carbon monoxide(CO) is a poisonous gas that has no smell. Color or taste. But it is very ... moredangerous and reduces the oxygen-carrying capacity of blood that causes you unwell. Illness and death. CO LEVELS AND STANDARD: Carbon monoxide content in the air Inspiration time Symptoms and applicable standard 0-1 ppm Normal background levels. 9 ppm Maximum indoor air quality level. 35 ppm 8 hours The average exposure level per U.S. OSHA workplace standards. 50 ppm 8 hours The maximum average exposure of the U.S. OSHA workplace standards. 0.01%100 ppm) 2~3 hours evacuate people from enclosed space if the CO concentration exceeds 100 ppm per OSHA exposure limit. Mild headache. 0.04%400 ppm) 1~2 hours Headache occur in 2.5 hours to 3.5 hours. 0.08%800 ppm) 45-min Dizziness. Nausea, cramps(convulsions) 0.16%1600 ppm) 20-min Headache. Dizziness and will be dead within 2 hours. 0.32%3200 ppm) 5~10 min Headache. Dizziness, vomiting and will be dead in 30 minutes. 0.64%6400 ppm) 1~2 min Headache. Dizziness and will be dead within 10 to 15 minutes. 1.28%12800 ppm) 1~3 min Cause death. Specifications: 4 dgt LCD with maximum 1000 counts. Sample rate: 1 time/second- Data output: USB PC serial interface(Optional TM-802 only) Max/Min/Average Hold. Data Hold. Low battery indication- Auto p o wer off with disable function. Adjustable alarm. Sample rate: 1 time/second. CO Measurement: Range 0 ~ 1000ppm Resolution ±1ppm Accuracy ±5% or ±2ppm Repeatability Response time※ Zero drift in long term Sensitivity drift Typical sensor life 3 years Temperature Measurement: Range-20~50℃/4~122 ℉ Resolution ±0.1℃/±0.1 ℉ Accuracy ±1.0℃/±1.8 ℉ Power supply: 1.5V UM-4(AAA) battery x 6 PCS(not included according to Post office's requirement) Battery life: approx 90 hours. Operating Temperature& Humidity: 20°C to +50°C. Storage Temperature& Humidity: 10°C to +50°C, 0% RH. Dimension: 156 × 73 × 35mm(LxWxH) Weight: approx
$
229.38
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Condition: Neu
Location: China
Portable Handheld Carbon Dioxide CO2 Detector Indoor Outdoor Gas Concentration Air Tester Air Quality Analyzer. JC-AD-1 Gas Selection Table. carbon dioxide ... moreCO2. detect gas. The ranges listed in the above table are conventional ranges, and the ranges that are not in the list range.
$
163.00
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Condition: New
Location: 龙华区, China
Visible and audile CO2 warning alarm. Stable NDIR sensor for CO2 detection. CO2: 0 - 2000 ppm. CO2: 50ppm +-5% of reading. Response CO2: 1000ppm (Programmable ... moreby user).
$
323.00
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$39.00 Shipping
Condition: New
Location: 龙华区, China
Poor indoor air quality is considered unhealthy because it causes tiredness, loss of ability to concentrate, and even illness(ex. Triple displays of CO2 ... morelevel, temp. and humidity (7755/77535). Audile CO2 warning alarm. ).
$
235.00
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$17.00 Shipping
Condition: New
Location: 龙华区, China
Poor indoor air quality is considered unhealthy because it causes tiredness, loss of ability to concentrate, and even illness(ex. Visible and audi b le ... moreCO2 warning alarm. Stable NDIR sensor for CO2 detection. ).
$
546.00
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$39.00 Shipping
Condition: New
Location: 龙华区, China
Note: we'll ship this item via express mail service to USA. Canada, Australia, New Zealand, Ireland, Austria, Belgium, Denmark, Germany, France, Finland, ... moreLuxemburg, Malta, Norway, Sweden, Swiss, Spain, Italy, UK, Japan, Korea,Thailand, Malaysia, Indonesia, Philippine, Singapore. Clients from other countries pls contact with us in advance to confirm the different shipping charges before you bid. ST-501 is an excellent indoor air quality(IAQ) instrument measur ing the carbon dioxide(CO2) Relative Humidity(RH) and Temperature. Applications- Building HVAC monitoring. Indoor air quality survey. Locate the presence of combustion fumes from vehicles and appliances. Features: 3 Independent CO2. Humidity and temperature sensors. User operated CO2 calibration. USB datalogg: 50.000 records. Internal backup battery to maintain date/time setting. Power management IC to increase batter efficiency. Easy- to-Use PC software for parameter settings and data analysis. Internal CO2 alarm buzzer. Specifications: CO2 Sensing Method: NDIR(Non-Dispersive Infrared) Measures: Carbon dioxide in PPM. Temperature(F or C) Relative Humidity- CO2 Measurement range: 0~9999 ppm(2001~9999 ppm over range) CO2 Accuracy: ± 75 ppm. ± 8% of reading(0~2000 ppm) Display Resolution- ±1 ppm- Datalogging: 50.000 records, Fast USB download(50.000 records in less than 10 seconds. CO 2 Sensor Type Non-dispersive infra-red( NDIR) Measurement Range 0~9999 ppm(2001~9999 ppm over range) Accuracy ± 75ppm. ± 8% of reading(0~2000 ppm) Resolution ±1 ppm Response Time 2 seconds Relative Humidity Sensor Temperature Sensor: Type CMOSens Type Thermistor Measurement Range 1% ~99% Measurement Range 0 to 50C Accuracy ±3.0% RH(20~80% ± 5.0%RH(80% Accuracy ±0.5C from 0-50C Resolution 0.1% Resolution 0.1C Response Time 8 Seconds Response Time 1 seconds Power Supply Battery Four AA alkaline batteries x4(not included) Battery Operation 24 hours External Power Supply 6V VDC with 0.5A
$
370.00
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$45.00 Shipping
Condition: New
Location: 龙华区, China
Dew Point Temperature: -20.0~59.9 C;. Designed with NDIR (non-dispersive infrared) waveguide technology CO2 sensor. Manual pressure compensation for CO2 ... moresensor. CO2: 0-9999 ppm (5001~9999 ppm out of scale range);.
$
638.00
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$50.00 Shipping
Condition: New
Location: Singapore
Kaiterra Sensedge Mini. Tested and certified by the RESET standard for accuracy, the Sensedge is fully compliant with various green building and air quality ... morestandards, including WELL v2, LEED, RESET, the Living Building Challenge, and Fitwel.
$
39.95
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Condition: New – Open box
Location: Pompano Beach, United States
Rovary® - RV2000P - C02 Meter - CO2 Detector - Hygrometer - Indoor Air Quality Monitor - Indoor CO2 Detector and Monitor - Portable and Rechargeable - ... morewith Alarm
$
60.00
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Condition: New
Location: Harrisonburg, United States
☆5-In-1 Multiple Indicators Monitoring: Indoor air detector can monitor multiple key indicators, such as harmful gases (such as formaldehyde, etc.), CO2 ... moreconcentration, temperature and humidity, etc., to provide comprehensive indoor air quality information.
$
19.99
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Condition: Used
Location: Wooster, United States
OPEN BOX, TESTED
$
800.00
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Condition: Used
Location: Wichita, United States
The ppbRAE consists of a PID with associated microcomputer and electronic circuit. The unit is housed in a rugged ABS + PC case with a backlight 1 line ... moreby 8 character dot matrix LCD and 3 keys to provide easy user interface.
$
50.00
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Condition: New – Open box
Location: Franklin, United States
The 2200mAh battery provides portable power when DC 5V micro USB charging is not available. Information is displayed on a clear 2.8” color LCD display. ... moreAlarm Audible. Sensor Type Electrochemical.
$
9.99
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Condition: New
Location: Trevorton, United States
$
34.00
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Condition: New
Location: Hayward, United States
New Air Quality Monitor Indoor for CO2 CO Formaldehyde(HCHO) TVOC PM2.5/PM10.
$
7.49
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Condition: Used
Location: Jamul, United States
• Connectivity : USB Wired. • Type : Air Quality Monitor.
$
42.00
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Condition: New
Location: Mccomb, United States
Indoor CO2 Monitor: Compact size Body with hollow back design for carring and airflow. Big colorful LCD digital screen for people easy to identify and ... moreread. Not only monitoring the CO2 content, also can test the temperature & humidity.
$
69.99
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Condition: New
Location: Evansville, United States
1, 6 detection functions, accurate detection of formaldehyde in the air (HCHO) /TVOC/PM2.5/PM10/ benzene, etc. Air quality all-weather monitoring curve ... morerecord and result analysis. 3, Three independent sensors are used: formaldehyde sensor, PM2.5 laser sensor and TVOC sensor.
$
121.87
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Condition: New – Open box
Location: Canada
$
150.00
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Condition: New
Location: Oak Park, United States
Never go unprotected again! The 9 in 1 AK1000 is also a carbon dioxide monitor and guards your air quality by letting you know when particulate matter ... moreand VOCs are unusually high. Our device was specially designed to be operated by anyone, anywhere, so you can keep your space safe without a tech-induced headache.
$
21.21
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Condition: New
Location: Humble, United States
Specifications:Material: ABScolor whiteSize: 89 * 70 * 35mmPower supply: 1200mAh batteryInterface: Type-C (1.2 m)Working voltage: 5VDetectable substances: ... moreCO, CO2, HCHO, TVOC, AQIDisplay: LED digital display Package include: 1 x air quality monitor1 x USB cable1 x manual.
$
21.92
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Condition: New
Location: Humble, United States
Specifications:Material: ABScolor whiteSize: 89 * 70 * 35mmPower supply: 1200mAh batteryInterface: Type-C (1.2 m)Working voltage: 5VDetectable substances: ... moreCO, CO2, HCHO, TVOC, AQIDisplay: LED digital display Package include: 1 x air quality monitor1 x USB cable1 x manual.
$
21.21
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Condition: New
Location: Humble, United States
Specifications:Material: ABS color white Size: 89 * 70 * 35mm Power supply: 1200mAh battery Interface: Type-C (1.2 m) Working voltage: 5V Detectable substances: ... moreCO, CO2, HCHO, TVOC, AQI Display: LED digital display Package include: 1 x air quality monitor 1 x USB cable 1 x manual.
$
21.21
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Condition: New
Location: Humble, United States
Specifications: Material: ABS color white Size: 89 * 70 * 35mm Power supply: 1200mAh battery Interface: Type-C (1.2 m) Working voltage: 5V Detectable ... moresubstances: CO, CO2, HCHO, TVOC, AQI Display: LED digital display Package include: 1 x air quality monitor 1 x USB cable 1 x manual.
$
20.86
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Condition: New
Location: Humble, United States
Specifications: Material: ABS color white Size: 89 * 70 * 35mm Power supply: 1200mAh battery Interface: Type-C (1.2 m) Working voltage: 5V Detectable ... moresubstances: CO, CO2, HCHO, TVOC, AQI Display: LED digital display Package include: 1 x air quality monitor 1 x USB cable 1 x manual.
$
21.92
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Condition: New
Location: Humble, United States
Specifications: Material: ABS color white Size: 89 * 70 * 35mm Power supply: 1200mAh battery Interface: Type-C (1.2 m) Working voltage: 5V Detectable ... moresubstances: CO, CO2, HCHO, TVOC, AQI Display: LED digital display Package include: 1 x air quality monitor 1 x USB cable 1 x manual.
$
210.98
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Condition: New
Location: China
Checks for Carbon Dioxide (CO2) concentrations with Max/Min value recall function. NDIR (non-dispersive infrared) CO2 sensor. Visible and Audible CO2 ... morewarning alarm. Indoor Air Quality displayed in ppm with Good (380 to 420ppm), Normal (1000ppm) indication.
$
252.50
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Condition: New
Location: China
Formaldehyde (HCHO). 1 X BRAMC Air Quality Monitor Tool Kit. PM2.5 and PM10. Carbon Dioxide (CO2). Display mode: 2.4" screen. Accuracy: ± 10%. Sensor: ... morehigh precision electrochemical sensor. Resolution: 1μg /m³.
$
258.66
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Condition: New
Location: China
Formaldehyde (HCHO). 1 X BRAMC Air Quality Monitor Tool Kit. PM2.5 and PM10. Carbon Dioxide (CO2). Display mode: 2.4" screen. Accuracy: ± 10%. Sensor: ... morehigh precision electrochemical sensor. Resolution: 1μg /m³.
$
252.69
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Condition: New
Location: China
Air Quality Monitor Dus PM2.5 PM10 Formaldehyde HCHO Gas Detector HoldPeak 5800F. The resolution of HCHO:0.01㎎/m3 ;. Accuracy of HCHO:
$
268.88
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Condition: New
Location: China
Formaldehyde (HCHO). 1 X BRAMC Air Quality Monitor Tool Kit. PM2.5 and PM10. Carbon Dioxide (CO2). Accuracy: ± 10%. Display mode: 2.4" screen. Sensor: ... morehigh precision electrochemical sensor. Resolution: 0.001mg /m³.
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