testo 312-4 differential pressure gauge
testo 312-4 hose set
balloon pump with release screw
conical test plug 1/2
conical test plug 3/4
testo fast printer
pressure set for gas pressure measurements in heating systems
system case
Basic set testo 312-4
testo 312-4 differential pressure gauge
testo 312-4 hose set
balloon pump with release screw
conical test plug 1/2
conical test plug 3/4
testo fast printer
pressure set for gas pressure measurements in heating systems
system case
| Temperature - TC Type K (NiCr-Ni) | |
|---|---|
|
Measuring range |
dependent on probe type used |
|
Accuracy |
±0.4 °C (-100 to +200 °C) * ±1 °C (Remaining Range) * |
*Accuracy information applies only to instrument without probes connected
| Differential pressure (internal sensor) | |
|---|---|
|
Measuring range |
0 to +200 hPa |
|
Accuracy |
±0.03 hPa (0 to +3 hPa) ±1.5 % of mv (+3.1 to +40 hPa) ±2 hPa or ±1 % of fsv (41 to +200 hPa) |
|
Resolution |
0.01 hPa |
| Pressure measurement (external probe) | |
|---|---|
|
Measuring range |
0 to +25 bar |
|
Accuracy |
±0.6 % of fsv (0 to +25 bar) ±0.6 % of fsv (>+10 to +25 bar |
|
Resolution |
10 hPa |
| General technical data | |
|---|---|
|
Dimensions |
219 x 68 x 50 mm |
|
Interface printer |
Infrared interface |
|
Data transfer |
RS232 |
|
PC software |
Easyheat |
|
Memory |
25,000 measuring values |
|
Weight |
600 g |
