The testo 317-3 ambient CO meter is small, lightweight, and provides fast and easy CO testing
With programmable settings for both visual and audible alarms, as well as hands-free operation, ambient CO testing during furnace and boiler service and maintenance, weatherization audits, or home inspections has never been easier.
Testo 317-3 at a great price
- Three years CO sensor warranty
- Adjustable alarm threshold
- Programmable high and low alarm options
- Earphone jack, and earbuds for loud environments
- Hands-free operation with belt clip soft case
Specifications-Testo 317-3 CO detection monitor
| Ambient CO | |
|---|---|
| Measuring range | 0 to +1999 ppm |
| Accuracy | ±3 ppm (0 to +29 ppm)
±10 % (+30 to +1999 ppm) |
| Resolution | 1 ppm |
| General technical data | |
|---|---|
| Operating humidity | 0 to 95 %rH |
| Reaction time | t90 < 5 sec |
| Dimensions | 7 x 2 x 2 in. (without sensors) / 190 x 57 x 42 mm (without sensors) |
| Operating temperature | 39.2° to 113.0 °F / +4 to +45 °C |
| Heat up time | 30 sec |
| Battery type | 9V block battery |
| Battery life | > 5 h |
| Storage temperature | -4.0° to 122.0 °F / -20 to +50 °C |
| Weight | 11 oz. / 300 g |
Delivery Scope
The testo 317-3 ambient CO meter is small, lightweight, and provides fast and easy CO testing
With programmable settings for both visual and audible alarms, as well as hands-free operation, ambient CO testing during furnace and boiler service and maintenance, weatherization audits, or home inspections has never been easier.
Testo 317-3 at a great price
- Three years CO sensor warranty
- Adjustable alarm threshold
- Programmable high and low alarm options
- Earphone jack, and earbuds for loud environments
- Hands-free operation with belt clip soft case
Specifications-Testo 317-3 CO detection monitor
| Ambient CO | |
|---|---|
| Measuring range | 0 to +1999 ppm |
| Accuracy | ±3 ppm (0 to +29 ppm)
±10 % (+30 to +1999 ppm) |
| Resolution | 1 ppm |
| General technical data | |
|---|---|
| Operating humidity | 0 to 95 %rH |
| Reaction time | t90 < 5 sec |
| Dimensions | 7 x 2 x 2 in. (without sensors) / 190 x 57 x 42 mm (without sensors) |
| Operating temperature | 39.2° to 113.0 °F / +4 to +45 °C |
| Heat up time | 30 sec |
| Battery type | 9V block battery |
| Battery life | > 5 h |
| Storage temperature | -4.0° to 122.0 °F / -20 to +50 °C |
| Weight | 11 oz. / 300 g |











