• Model NO.：YEM-20L
• Channel：Temp.(Dew Point Supported); Humi.
• Sensor：Digital; Digital
• Measuring Unit：C, F, %Rh
• Measuring Range：-30~65c ; 0~100%Rh
• Resolution：0.1c ; 0.1%Rh
• Data Logging Memory：22528 Readings
• LCD Refresh Interval：5s
• Battery：3PCS AAA Battery
• Battery Life：1 Year(25c)
• Power Supply：AC,DC Adapter (100~240V 50,60Hz, 5V,2A)
• Waterproof：IP20
• Ertificates：Ce RoHS
• Interface：Microusb
• Warranty：12 Month
• Transport Package：Carton Box
• Specification：96X108X20mm,121g
• Trademark：YOWEXA,OEM
• Origin：China

YEM-20L

YEM-40L

YEM-70L

Channel

1 int. temp.(dew point supported)

1 int. humi.

1 int. temp.(dew point supported)

1 int. humi.

1 int. CO2

1 int. temp.(dew point supported)

1 int. humi.

1 int. air pressure

Sensor

Digital

Digital

Digital

Digital

Infrared

Digital

Digital

Digital

Measuring unit

ºC, ºF

%RH

ºC, ºF %

RH

PPM

ºC, ºF

%RH

hPa

Measuring range

-30~65ºC

0~100%RH

-30~65ºC

0~100%RH 0~10000PPM

-30~65ºC

0~100%RH 300~1100hPa

Measuring accuracy

±0.3ºC(-10~65ºC)  ±0.5ºC(others) 

±3%RH(10~90%RH)  ±4%(others)

±0.3ºC(-10~65ºC)  ±0.5ºC(others)  ±3%RH(10~90%RH)  ±4%(others) ±3%±40PPM(400~2000PPM) only for reference(others)

±0.3ºC(-10~65ºC)  ±0.5ºC(others)  ±3%RH(10~90%RH)  ±4%(others) ±1hPa

Measuring resolution

0.1ºC

0.1%RH

0.1ºC

0.1%RH

1PPM

0.1ºC

0.1%RH

0.2hPa

Data logging memory

26624 readings

22528 readings

22528 readings

Response time(T90)

15 minutes

15 minutes

15 minutes

15 minutes

3 minutes

15 minutes

15 minutes

5 seconds

LCD refresh interval

5s

5s

5s

Measuring interval

5s

5s(temp. and humi.)  5s to 30m(co2)

5s

Battery

3pcs AAA battery

3pcs AAA battery

3pcs AAA battery

Battery life

1 year(25ºC)

45 days(25 ºC,15 minutes interval)

1 year(25ºC)

Power supply

AC/DC Adapter (100~240V 50/60Hz, 5V/2A)

Operation temperature

-30~65ºC

-30~65ºC(if <0ºC or >50ºC, CO2 will stop)

-30~65ºC

Storage temperature

-30~65ºC

-30~65ºC

-30~65ºC

Size/Weight

96X108X20mm/116g

96X108X20mm/121g

96X108X20mm/117g

Waterproof

IP20

IP20

IP20

Standards/Certificates

CE ROHS

CE ROHS

CE ROHS

Interface

MicroUSB

MicroUSB

MicroUSB

WHY CHOOSE US?

1. All of our products are with strict quality control. Our QC department will inspect every process from raw material purchase to final products before we ship.

2. We have more than 10-year experience in this field.

3.  We have our own professional R&D team for product and software design and development.

4.  We are manufacturer with self-developed and production.

5.  Low defective rate with warranty for all products.

6.  Fast and stable lead time.

7. Customized package, product and software supported.

8.  Excellent after-sales service and professional technical support.