Parameters |
Differential pressure |
Measuring range |
0 to 10 Pa
0 to 50 Pa
0 to 100 Pa
0 to 500 Pa
0 to 10 hPa
0 to 50 hPa
0 to 100 hPa
0 to 500 hPa
0 to 1000 hPa |
-10 to 10 Pa
-50 to 50 Pa
-100 to 100 Pa
-500 to 500 Pa
-10 to 10 hPa
-50 to 50 hPa
-100 to 100 hPa
-500 to 500 hPa
-1000 to 1000 hPa |
Measurement uncertainty |
±0.5% of measurement range final value
±0.3 Pa
Temperature gain drift: 0.03% of measuring range per Kelvin deviaton from nominal temperature 22 °C
Zero-point: 0% (thanks to cyclic zero-point adjustment) |
Selectable units |
Differential pressure in Pa, hPa, kPa, mbar, bar, mmH2O, kg/cm2, PSI, inch HG, inch H2O
calculated parameters: volume flow in m3/h, l/min, Nm3/h, Nl/min Flow velocity in m/s, ft/min |
Sensor |
Piezoresistive sensor |
Autom. zero-point adjustment |
via magnetic valve Frequency adjustable: 15 sec, 30 sec, 1 min, 5 min, 10 min |
Overload |
Measuring range Overload
0 to 10 Pa 20000 Pa
0 to 50 Pa 20000 Pa
0 to 100 Pa 20000 Pa
0 to 500 Pa 20000 Pa
0 to 10 hPa 200 hPa
0 to 50 hPa 750 hPa
0 to 100 hPa 750 hPa
0 to 500 hPa 2500 hPa
0 to 1000 hPa 2500 hPa
-10 to 10 Pa 20000 Pa
-50 to 50 Pa 20000 Pa
-100 to 100 Pa 20000 Pa
-500 to 500 Pa 20000 Pa
-10 to 10 hPa 200 hPa
-50 to 50 hPa 750 hPa
-100 to 100 hPa 750 hPa
-500 to 500 hPa 2500 hPa
-1000 to 1000 hPa 2500 hPa |
Parameters
Humidity/temperature optional |
Probe |
testo 6611 |
testo 6612 |
testo 6613 |
testo 6614 |
testo 6615 |
testo 6617 |
Type |
Wall |
Channel |
Channel |
Duct heated |
Cable trace humidity |
Cable with cover electrode monitoring |
Parameters |
%RH / °C/°F / °Ctd / °Ftd / g/kg / gr/lb / g/m3 / gr/ft³ / ppmV / °Cwb / °Fwb / kJ/kg / mbar / inch H2O / °Ctm (H2O2)/°Ftm (H2O2) / % Vol |
Meas. range |
|
Humidity / trace humidity |
0 to 100 %RH |
-60 to +30 °C td |
0 to 100 %RH |
Temperature |
-20 to +70 °C -4 to +158 °F |
-30 to +150 °C -22 to +302 °F |
-40 to +180 °C -40 to +356 °F |
-40 to +120 °C -40 to +248 °F |
-40 to +180 °C
-40 to +356 °F |
Measurement uncertainty |
testo 6611 |
testo 6612 |
testo 6613 |
testo 6614 |
testo 6615 |
testo 6617 |
|
±(1.0 + 0.007 * mv) %RH for 0 to 100 %RH / ±(1.4 + 0.007 * mv) %RH for 90 to 100 %RH |
±(1.0+ 0.007 * mv) %RH for 0 to 100 %RH |
|
±(1.2 + 0.007 * mv) %RH for 0 to 90 %RH / ±(1.6 + 0007 * mv) %RH for 90 to 100 %RH |
|
for deviations from media temp. ±25 °C: ±0.02 %RH/K |
Dewpoint |
|
±1 K at 0 °C td ±2 K at -40 °C td ±4 K at -50 °C td |
|
Temp. at +25°C / +77°F |
±0.15 °C/ 32.2 °F Pt1000 Class AA |
±0.15 °C/ 32.2 °F Pt100 Class AA |
±0.15 °C/ 32.2 °F Pt1000 Class AA |
Inputs/outputs
Analog outputs |
Quantity |
Standard: 1;
with optional humidity probe: 3 |
Output type |
0/4 to 20 mA (4-wire) (24 VAC/DC)
0 to 1/5/10 V (4-wire) (24 VAC/DC) |
Scaling |
Differential pressure: scalable ±50% of measuring range final value;
freely scalable within measuring range |
Meas. cycle |
1/sec |
Resolution |
12 bit |
Max. load |
max. 500 W |
Other outputs |
Ethernet |
Optional |
Relay |
Optional: 4 relays (free allocation to measurement channels or as collective alarm in operating menu/P2A), up to 250 VAC/3A (NO or NC) |
Digital |
Mini-DIN for P2A software |
Supply |
Voltage supply |
20 to 30 VAC/DC, 300 mA current consumption, galvanically separate signal and supply line |