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M3 Series Specifications
| PROBE | |
| Probe type | HygroClip S |
| Humidity sensor | ROTRONIC C94 thin film capacitive |
| Temperature sensor | Pt100 RTD |
| Operating limits | 0...100%RH -40...85°C / -40...185°F |
| Repeatability | better than 0.5%RH and 0.1°C/°F |
| Humidity sensor stability | better than 1% RH per year |
| Sensor protection | type D15G, stainless steel wire mesh, PPS frame |
| Probe material | Polycarbonate |
| TRANSMITTER | |
| Circuit type | 3-wire |
| Signal type | 0...20
mA, 4...20 mA,
0...1V, 0...5V, 0...10V (user selectable) |
| Analog outputs |
Two analog outputs corresponding to any combination
of the following: |
| Digital output / Networking | RS485 - up to 31 M3 transmitters on one network connected as slaves to one HygroFlex 2 or 3 master. RS232 connection from master to PC. |
| Computed parameter | dew point, wet bulb, enthalpy, vapor concentration, specific humidity, mixing ratio, vapor concentration at saturation, partial pressure of water vapor, saturation pressure of water vapor, or a user defined calculation such as the difference between temperature and dew point |
| Measuring range | 0...100%
RH,
0...100°F other ranges are available for humidity, temperature and the computed parameter |
| System accuracy at 23°C | ± 1.5% RH / ± 0.3°C (± 0.5°F) |
| Operating limits | 0...99%
RH non condensing -40...60°C (-40...140°F) -30...60°C (-22...140°F) with optional display |
| Power supply | 15...35 VDC (65 mA) or 12...24 VAC |
| Maximum load for current outputs | 250 Ohm |
| Minimum load for voltage outputs | 1000 Ohm |
| User configurable analog outputs | scale and
unit of each analog output configurable with the HW3 software output signal type (current or voltage) configurable with solder pads |
| Display option |
LC, 2 line numeric 1 line alphanumeric 1/4 character height, resolution 0.1 |
| Electrical connections | Cable grip and terminals |
| Housing material | ABS |
| Protection grade | IP65/NEMA4 |
| Housing dimensions w/o probe | 154 x 72.5 x 48 mm (6.06 x 2.86 x 1.89") |
| Weight | 300 g / 0.7 lb |
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