· 3.9-inch display, with backlight
· Touch-sensing button
· Show maximum, minimum, average
· Red-backlight over-limit alarm
· Real-time and historical alarm status indication
· Calibration function
· Battery protection
【Descriptions】
YEM-40B is mainly used for environmental carbon dioxide concentration and temperature and humidity monitoring, suitable for home furnishing, classrooms and office places.
YEM-40B response is fast, the temperature and humidity and carbon dioxide concentration measurement interval are 5 seconds.The user can set the clock, upper and limits or backlight duration of the instrument by pressing the button. The instrument also has the measurement data over-limit alarm function (bright red backlight), and the alarm value range can be set.
【Features and Functions】
【Applications】
· Shopping mall
· Hospital
· Restaurant
· School
· Home furnishing
· Office space environmental testing
· Agricultural greenhouses and breeding
· Laboratory
【Specifications and Selection Guide】
Model
YEM-40B
YEM-40BL
Measurement Parameters
Temperature(dry ball, dew point), Humidity, Carbon Dioxide
Recording Function
None
Yes
Unit
Temperature:℃, ℉; Humidity:%RH; Carbon Dioxide:PPM
Measuring Range
Temperature: -30~+ 65℃(built-in probe); -40~+125℃(external probe);
Humidity: 0~100%RH(Non-condensation)
Carbon Dioxide: 400 ~ 10,000PPM
Measuring Accuracy
Temperature: ±0.5℃(-10~ +65℃); ±1.0℃(Other Range)
Humidity: ±5%RH(10~90%RH, 25℃); ±6%RH(Others)
Carbon Dioxide: ±3%±40PPM (400~2000PPM); (Other ranges shown for reference only)
Resolution
Temperature: 0.1℃
Humidity: 0.1%RH
Carbon Dioxide: 1PPM
Response Time(t90)
Temperature: 15 minutes(built-in probe); 5 minutes(external probe)
Humidity: 15 minutes(built-in probe); 5 minutes(external probe)
Carbon Dioxide: ≥3 minutes
Measuring Interval
Temperature: 5 seconds
Humidity: 5 seconds
Carbon Dioxide: 5 seconds
LCD Refresh Interval
5 seconds
Storage Capacity
22,528 Data points per channel
Operating Temperature
0~+50℃
Storage Temperature
-30~ + 65℃ (no batteries)
Battery
3 pcs 1.5V AAA alkaline batteries (USB power supply is recommended)
Power Supply Interface
Micro USB,DC 5V/2A
Protection Class
IP20
Overall Dimensions
108*96*20mm
Housing Material
ABS
Weight
About 124g (no batteries)