TENMARS TM-801 CO Meter CO range: 0 ~ 1,000ppm Carbon monoxide (CO).

TM-801 CO Meter
-4 digits backlit LCD with maximum 1,000 counts.
-Dual display of the readings for CO and Temperature.
-CO range: 0 ~ 1,000ppm.
-Temperature range: -20~50 oC (-4~122 oF).
-Easy to calibrate at 100ppm or 500ppm.
Application
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 dangerous and reduces the oxygen-carrying capacity of blood that causes you unwell, illness and death.
Specification
- Backlit 4 dgt LCD with maximum 1000 counts.
- Sample rate: 1 time/second
- Max/Min/Average Hold.
- Data Hold.
- Low battery indication
- Auto power off with disable function
- Adjustable alarm.
- Sample rate: 1 time/second.
At 23?±0.5?, RH<75%
CO Measurement:
Range 0~1000ppm
Resolution ±1ppm
Accuracy ± (5%+2ppm)
Repeatability <2%
Response time <30 seconds
Zero drift in long term <5ppm
Sensitivity drift 5% (per year)
Typical sensor life 3 years
Temperature Measurement:
Range -20°C~50°C /-4°F~122°F
Resolution ±0.1°C/±0.1°F
Accuracy ±1.0°C/±1.8°F
Power supply : 1.5V UM-4(AAA) battery × 6 PCS or AC100~240V or DC Adaptor 9V/0.5A(9mm).(Battery not included)
Battery life: approx 90 hours.
Operating Temperature & Humidity: -20°C to +50°C,
Storage Temperature & Humidity : -10°C to +50°C, <70% RH.
Dimension: 156×73×35mm(LxWxH).
Weight: approx 250g 
Standard accessories: user’s manual