Specifications; Use; Technical Data; Measuring Ranges And Resolution - TESTO 315-4 Instruction Manual

3 Specifications

3 Specifications
3.1.

Use

The testo 315-4 is a convenient and robust measuring instrument
for recording ambient CO values. It is used for risk prevention.
Fields of application are, for example
- Heating systems with operation dependent on ambient air
- Ventilation systems
3.2.

Technical data

3.2.1.

Measuring ranges and resolution

Measurement
parameter
CO
Humidity
Temperature
3.2.2.

Accuracy and response time

Measurement
parameter
CO
Humidity
Temperature
3.2.3.

Other instrument data

Feature
Storage/transport
conditions
Operating conditions
1
Only when the humidity/temperature sensor is connected (optional)
6
Measuring range
0 to 100 ppm
1
5 to 95% RH
1
-10 to +40 °C/14 to
104 °F
Accuracy
± 3 ppm to 20 ppm
± 5 ppm from 20 ppm
1
± 2.5% RH (5 to 95% RH)
1
± 0.5 °C (+ 1 digit)
Values
-20 to 60 °C/-4 to 140 °F
0 to 95% RH
0 to 40 °C/32 to 104 °F/0 to 95% RH
Resolution
0.5 ppm
0.1% RH
0.1 °C/°F
Response time
< 120 s (t90)