Dewpoint/trace humidity |
Units | %RH, °C |
Calculated parameters | °Ctd, °Ftd, °CtA, °FtA, ppmv, mg/m3, °F |
Measuring range | -45 °Ctdto +30 °Ctd |
Measurement uncertainty | ±1 K at 0 °Ctd(+32 °Ftd) ±3 K at -20 °Ctd(-4 °Ftd) ±4 K at -40 °Ctd(-40 °Ftd) |
Sensor | Polymer humidity sensor with protocolized trace humidity adjustment at -40 °Ctd(-40 °Ftd) |
Normed atmospheric dewpoint |
Measuring range | -70 to -15 °CtdA (-112 to -5 °FtdA) (at 30 bar rel./ 435 psi) -54 to +10 °CtdA (-94 to +50 °FtdA) (at 3 bar rel./43.5 psi) -45 to +30° CtdA (-76 to +86 °FtdA) (at 0 bar rel./0 psi) |
Temperature |
Measuring range | 0 to 50 °C (32 to +122 °F) |
Measurement uncertainty | ±0,5K (0 to 50 °C/32 to 122 °F) |
Sensor | NTC |
Analog outputs |
Current/accuracy | 4 to 20 mA (2-wire) / ±40 μA |
Measurement rate | 2 s |
Resolution | 12 bit |
load | 12 V DC: max. 100 Ohm, 24 V DC: max. 650 Ohm, 30 V DC: 950 Ohm |
Scaling | Freely scalable via display buttons |
Switch outputs |
Contacts | 2 closer contacts, pot.-free, max. 30V/0.05A |
Switch thresholds | Standard 6 °Ctd/12 °Ctd, freely progr. with display |
Supply |
Voltage supply | 24 V DC (12 to 30 V DC permitted); with alarm plug (0554 3302) 20 to 28 V DC (sold separatly) |
Current consumption | 21 mA (without alarm plug) 65 mA (with alarm plug) - sold separatly. |
Design |
Material/colour | Plastic, polyacrylamide |
Dimensions | 199.5 x 37 x 37 mm (with standard plug) 203.5 x 37 x 37 mm (with plug 0554 3302)- sold separatly. |
Weight | Approx. 300 g |
Display |
Display | High intensity 7-segement display |
Resolution | °C: 0.1 ppmv: 1 / 10 / 100 RH: 0.1 (dep. on meas. value) °Ctd: 0.1 mg/m3: 1 / 10 / 100 °Ftd: 0.1 (dep. on meas. value) °CtA: 0.1 °F: 0.1 °FtA: 0.1 |
Rotatability (display positioning) | 350° around housing axis |
Installation |
Thread / process connection | NPT 1/2" thread |
Miscellaneous |
Protection class | IP65 (with plug attached and wire connected) |
EMC | According to guideline 89/336 EEC |
Operating conditions |
Operating temperature (housing) | -20 to +70 °C (+4 to +158 °F) |
Storage temperature | -40 to +80 °C (-40 to +176 °F) |
Process pressure | max. 50 bar (725 psi) |