YEM-42S Environmental Carbon Dioxide Monitors - SHENZHEN YOWEXA SENSOR SYSTEM CO., LTD

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Product name： YEM-42S Environmental Carbon Dioxide Monitors

Listing date：2022-01-10

YEM-42S Environmental Carbon Dioxide Monitors

Features

· HD black bottom color screen

· Use the NDIR sensor

· Lithium-electric direct charge (optional)

· Dry Battery Power Supply (optional)

· Human comfort index

· Intelligent alarm

· CO2 User Calibration

· Screen brightness is adjustable

· Battery status indication

Category：【Descriptions】The YEM-42 series of instruments are mainly used for environmental carbon dioxide concentration and temperature and humidity monitoring, suitable for home, classroom and office space.YEM-42 uses HD black screen and screen brightness is button set. The instrument responded quickly, with temperature and humidity measurements of 1s and carbon dioxide concentration measurements of 4s.YEM-42S improves the CO2 measurement accuracy on the basis of YEM-42. 【Features and Functions】· HD black bottom color screen· Use the NDIR sensor· Lithium-electric direct charge (optional)· Dry Battery Power Supply (optional)· Human comfort index· Intelligent alarm· CO2 User Calibration· Screen brightness is adjustable· Battery status indication 【Applications】· Shopping mall· Hospital· Restaurant· School· Home furnishing· Office space environment testing· Agricultural greenhouses, breeding· Laboratory 【Specifications and Selection Guide】ModelYEM-42YEM-42SYEM-42HMeasure ParametersTemperature, Relative Humidity, CO2 concentrationUnitTemperature: ℃; Humidity: %; CO2 concentration: ppmMeasurement RangeTemperature: -20~+ 60℃Humidity: 0~100%CO2: 400 ~ 10,000 ppmMeasurement AccuracyTemperature:±1℃ (-10~+65℃)±2℃ (Other range)Humidity:±5% (10~90%,25℃)±6% (Other range)CO2:±3%±100ppm(400~2000ppm,0~50℃)Other range presentation values are for reference onlyTemperature:±1℃ (-10~+65℃)±2℃ (Other range)Humidity:±5% (10~90%,25℃)±6% (Other range)CO2:±3%±60ppm(400~2000ppm,0~50℃)Other range presentation values are for reference onlyTemperature:±1℃ (-10~+65℃)±2℃ (Other range)Humidity:±5% (10~90%,25℃)±6% (Other range)CO2:±3%±40ppm(400~2000ppm,0~50℃)Other range presentation values are for reference onlyResolutionTemperature: 1℃Humidity: 1%CO2: 1ppmResponse Time(t90)Temperature: 15 minutesHumidity: 15 minutesCO2: ≥ 3 minutes (in better air circulation)Measuring IntervalTemperature: 1 secondHumidity: 1 secondCO2: 4 secondsLCD Refresh Interval1 secondOperating Temperature-20~+60℃Storage Temperature-30~+ 60℃ (no battery)Power Supply①3 PCS 1.5V AAA alkaline battery / USB power supply; ②lithium direct charge / USB power supply(Above ① and ② plan, choose one)Power Supply InterfaceType-C,DC 5V/2AProtection ClassIP20Size91*76*40mmCase MaterialABSWeightAbout 140g(without batteries)

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【Descriptions】

The YEM-42 series of instruments are mainly used for environmental carbon dioxide concentration and temperature and humidity monitoring, suitable for home, classroom and office space.

YEM-42 uses HD black screen and screen brightness is button set. The instrument responded quickly, with temperature and humidity measurements of 1s and carbon dioxide concentration measurements of 4s.

YEM-42S improves the CO2 measurement accuracy on the basis of YEM-42.

【Features and Functions】

· HD black bottom color screen

· Use the NDIR sensor

· Lithium-electric direct charge (optional)

· Dry Battery Power Supply (optional)

· Human comfort index

· Intelligent alarm

· CO2 User Calibration

· Screen brightness is adjustable

· Battery status indication

【Applications】

· Shopping mall

· Hospital

· Restaurant

· School

· Home furnishing

· Office space environment testing

· Agricultural greenhouses, breeding

· Laboratory

【Specifications and Selection Guide】

Model	YEM-42	YEM-42S	YEM-42H
Measure Parameters	Temperature, Relative Humidity, CO₂ concentration
Unit	Temperature: ℃; Humidity: %; CO₂concentration: ppm
Measurement Range	Temperature: -20~+ 60℃ Humidity: 0~100% CO₂: 400 ~ 10,000 ppm
Measurement Accuracy	Temperature: ±1℃ (-10~+65℃) ±2℃ (Other range) Humidity: ±5% (10~90%,25℃) ±6% (Other range) CO₂: ±3%±100ppm (400~2000ppm,0~50℃) Other range presentation values are for reference only	Temperature: ±1℃ (-10~+65℃) ±2℃ (Other range) Humidity: ±5% (10~90%,25℃) ±6% (Other range) CO₂: ±3%±60ppm (400~2000ppm,0~50℃) Other range presentation values are for reference only	Temperature: ±1℃ (-10~+65℃) ±2℃ (Other range) Humidity: ±5% (10~90%,25℃) ±6% (Other range) CO₂: ±3%±40ppm (400~2000ppm,0~50℃) Other range presentation values are for reference only
Resolution	Temperature: 1℃ Humidity: 1% CO₂: 1ppm
Response Time(t₉₀)	Temperature: 15 minutes Humidity: 15 minutes CO₂: ≥ 3 minutes (in better air circulation)
Measuring Interval	Temperature: 1 second Humidity: 1 second CO2: 4 seconds
LCD Refresh Interval	1 second
Operating Temperature	-20~+60℃
Storage Temperature	-30~+ 60℃ (no battery)
Power Supply	①3 PCS 1.5V AAA alkaline battery / USB power supply; ②lithium direct charge / USB power supply (Above ① and ② plan, choose one)
Power Supply Interface	Type-C,DC 5V/2A
Protection Class	IP20
Size	917640mm
Case Material	ABS
Weight	About 140g(without batteries)

Update time: 2018 - 09 - 18

Update time: 2019 - 03 - 13

Update time: 2019 - 06 - 13

Update time: 2019 - 03 - 13

Update time: 2022 - 01 - 10

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· View history maximum/minimum/average· High/low alarm user configurable&...
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· View history maximum/minimum/average· High/low alarm user configurable&...
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· View history maximum/minimum/average· High/low alarm user configurable&...
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· 3.9-inch display, with backlight· Touch-sensing button· Show maxi...
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· 3.9-inch display, with backlight· Touch-sensing button· ...
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· HD black bottom color screen· Use the NDIR sensor· Lithium-electr...
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· HD black bottom color screen· Use the NDIR sensor· Lithium-electr...
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· HD black bottom color screen· Use the NDIR sensor· Lithium-electr...

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