Rotronic – the Digital M-Series A comprehensive range of Humidity and Temperature Measuring Instruments |
Rotronics’ digital M-series transmitters are the latest development of combined humidity / temperature transmitters, based on HygroClip technology.
The M-Series consists of three models; each offering different features to suit application needs and with facilities reprogrammable by the customer. Output signals of 0-1V, 0-5V, 0-10V, 0-20mA or 4-20mA are available.
Differentiation between the three Series:
M1 Economical humidity and temperature transmitter with fixed probe and electronics based on digital technology
M2 Humidity and temperature transmitter with interchangeable HygroClip probes
M3 Humidity, calculated humidity (eg. dew point, enthalpy) & temperature transmitter with interchangeable HygroClip probes
M1 Series features· Fixed probe · Wall, space and duct mounting versions · Combined relative humidity and temperature measurement · Wide measuring range · Excellent long-term stability · High accuracy · Remote diagnosis with handheld instrument · Temperature range -40 to 60°C · Standard output signals (current/ voltage) · Wire mesh filter provides sensor protection against dust and high air velocity · IP65 rating (IP52 for space version) |
M2 Series featuresHumidity and temperature transmitter with interchangeable HygroClip S probes · Probe interchangeable within seconds · Wall and duct mounting types · Measures humidity and temperature simultaneously · Wide measuring range · Excellent long-term stability · High accuracy ±1.5 %rh, 0.3 K · Optional display · Remote diagnosis with handheld instrument · Temperature range: · Wire mesh filter provides sensor protection against dust and high air velocity · IP65 rating |
M3 Series FeaturesHumidity, calculated humidity (e.g. dewpoint, enthalpy) and temperature transmitter with interchangeable HygroClip S probes · Psychrometric calculations available (dewpoint, enthalpy etc.) · Probe interchangeable within seconds · Wall and duct mounting types · Measures humidity and temperature simultaneously · Large measuring range · Excellent long-term stability · High accuracy · Optional display · Remote diagnosis with handheld instrument · Temperature range: · Wire mesh filter provides sensor protection against dust and high air velocity · IP65 rating |
The Digital AdvantageDigital signal processing significantly benefits humidity and temperature measurement in the following key areas: Measurement AccuracyDigital processing of sensor signals by the Rotronic HygroClip probe and associated electronics provides more scope and greater flexibility when compensating sensor characteristics such as linearity and temperature coefficient. The Rotronic Hygromer capacitive humidity sensor has always been the leader both in precision and stability. With the application of digital technology, sensor performance is now further enhanced. Maintenance and CalibrationUnique HygroClip digital technology virtually eliminates downtime maintenance. The HygroClip probe (M2, M3 Series) can be ‘hot swapped’ in seconds, during scheduled calibration, with a calibrated replacement HygroClip probe. There is no need to remove the complete transmitter to a calibration laboratory or workshop. Calibration and sensor data are retained permanently within each HygroClip probe. Software-based calibration is simple and precise; there are no hard-to-reach, hard-to-adjust pots. Multiple calibration points can be selected across the full measurement range. |
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