Humidity |
Selectable units | Dependent on probe, available are:relative humidity %RH; normed atm. dewpoint in°CtdA (°Ftd); dewpoint in °Ctd (°Ftd); absolutehumidity in g/m³ (gr/ft³); degree of humidity ing/kg (gr/lb); enthalpy in kj/kg (BTU/lb);psychrometer temperature in °Ctw (°Ftw); watervapour partial pressure in hPa/H20; watercontent in ppmV; mixture dewpoint H2O2 in°Ctm/°Ftm; %RH acc. to WMO; temperature in°C/°F |
Measuring range | 0 to 100 %RH |
Trace humidity |
Selectable units | Temperature in °C/°F |
Measuring range | -60 to +30 °Ctd / -76 to +86 °Ftd (only with testo 6610 L15) |
Analog outputs |
Quantity | 2, optionally 3 channels (channel freely selectable) |
Output type | 0/4 to 20 mA (2-wire/4-wire) 0 to 1/5/10 V (4-wire) |
Measuring rate | 1/s |
Galvanic isolation | Galvanic isolation of the output signals (2-wire and 4-wire), isolation of supply from outputs (4-wire) |
Resolution | 12 bit |
Accuracy of the analogoutputs | 0/4 to 20 mA ± 0.03 mA,0 to 1 V ±1.5 mV,0 to 5 V ±7.5 mV,0 to 10 V ±15 mV |
Max. load | 500 Ω at 24 VAC/DC |
Further outputs |
Ethernet | Optional: module can be fitted asintermediary layer |
Relays | Optional: 4 relays (free allocation tomeasurement channels or as collective alarmwith operating menu/P2A software), up to 250VDC /3 A (NO/NC) |
Other outputs | Mini DIN for Testo P2A software |
Power |
Voltage supply | 2-wire: 24 VDC ±10 %,4-wire: 20 to 30 VAC/DC |
Current consumption | max. 300 mA |
General technical dataDesign |
Material | Metal |
Dimensions | 4.8 x 6.37 x 3.03 in (without probe) |
Weight | 3.3 lb (without probe, withoutProfibus/Ethernet module) |
Display |
Display | Optional: 2-line LCD with clear text line andrelay status display |
Resolution | 0.1 %RH / °Ctd / °Ftd / °Ctw / °Ftwor 0.01 °C/°F 1g / kg / g/m³ / ppm |
Operation |
Parameterization | 4 operating buttons for display / P2A software |
Installation |
Probe connection | Digital plug connection |
Miscellaneous |
Protection class | IP65 |
EMC | 2004/108/EG |
Operating conditions |
Operating temperature(with integrated relay) | -40 to +60 °C |
Without display | Operating temperature | -40 to +70 °C / -40 to +158 °F |
Storage temperature | -40 to +80 °C / -40 to +176 °F |
With display | Operating temperature | 0 to +50 °C / +32 to +122 °F |
Storage temperature | -40 to +80 °C / -40 to +176 °F |
Probes |
Type | 6611Wall | 6612Cable | 6613Cable | 6614Heated cable | 6615Cable trace humidity (selfadjustment) | 6617Cable with cover electrode monitoring |
Operating range | Room climate probe wall mounting | Process humidity probe duct mounting | Process humidity probe flexible with cable | Humidity probe for high humidity applications / when risk of condensation | Humidity probe for trace humidity / dewpoint (with selfadjustment) | Humidity probe with self-monitoring for sensor-damaging media |
Humidity |
Measuring range*** | 0 to 100 %RH | see trace humidity | 0 to 100 %RH |
Measurement uncertainty* (+25 °C)** | testo 6611/12/13: ±(1.0 + 0.007 * mv) %RH for 0 to 100 %RH / ±(1.4 + 0.007 * mv) %RH for 90 to 100 %RH; testo 6614: ±(1.0+ 0.007 * mv) %RH for 0 to 100 %RH; testo 6617: ±(1.2 + 0.007 * mv) %RH for 0 to 90 %RH / ±(1.6 + 0007 * mv) %RH for 90 to 100 %RH +0.02 %RH per Kelvin dependent on the process and electronics temperature (for a deviation of 25 °C / 77 °F) |
Selectable units | %RH; °Ctd/°Ftd; g/m3 / gr/ft3; g/kg / gr/lb; kj/kg; BTU/lb; °Ctw/°Ftw; hPa; inch H2O2; ppm vol %; %vol; °Ctm (H2O2)/ °Ftm (H2O2) |
Reproduceability | better than ±0.2 %RH |
Sensor | Testo capacitive humidity sensor, plug-in | Testo capacitive humidity sensor; soldered |
Response time | t90 max. 10 sec. |
Temperature |
Selectable units | °C/°F |
Measuring range | -20 to +70 °C/ -4 to +158 °F | -30 to +150 °C/ -22 to +248 °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* (at +25 °C / +77 °F) | ±0.15 °C / 0.27 °F (Pt1000 Class AA) | Pt100 Class AA | Pt1000 Class AA |
Trace humidity |
Trace humidity | -60 to +30 °Ctd/ -76 to +86 °Ftd |
Measurement uncertainty | - | ±1 K at 0° Ctd ±2 K at -40° Ctd ±4 K at -50° Ctd | - |
Probe shaft | Stainless steel |
Cable | FEP coated |
Plug | Plastic ABS |
Probe dimensions (diameter) | 12 mm |
Probe dimensions (probe shaft length) | 70/200 mm | 200/300/500/800 mm | 120/200/300/500/ 800 mm | 200/500 mm |
Cable length | - | specially for duct versions | 1/2/5/10 m |
Pressure tightness | 1 bar positive pressure (probe tip) | PN 10 (probe tip) PN 1 (probe tip | PN 16 (probe tip) | 1 bar positive pressure (probe tip) |
* Other accuracies apply for wall probe length 70 mm combined with a current output (P07): Operation: 2 channels at 12 mA, without display illumination, relay off, additional measurement error to above values at +25 °C (+77°F), humidity ± 2.5 % RH |
**The determination of measurement uncertainty takes place according to GUM (Guide to the Expression of Uncertainty in Measurement): For the determination of measurement uncertainty, the accuracy of the measuring instrument (hysteresis, linearity, reproduceability), the uncertainty contribution of the test site as well as the uncertainty of the adjustment site (works calibration) are taken into account. For this purpose, the value of k=2 of the extension factor, which is usual in measurement technology is used as a basis, which corresponds to a trust level of 95%. |
***For continuous applications in high humidity (>80 %RH at ≤30 °C for >12 h, >60 %RH at > 30 °C for >12h), please contact us via www.testo. com. testo 6614 is suitable for high humidity applications. |