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H3531P Compressed Air Thermometer Hygrometer with Ethernet Interface and Relay
H3531P
Compressed air ambient humidity, temperature Ethernet sensor with two relay outputs.T+RH probe made of hard anodized hard aluminum for compressed air up to 25 bars, with cable. Humidity readings.
The H3531P sensor is used for in-line monitoring of the temperature and relative humidity of non-corrosive air. The advantage is that there are three binary inputs for detecting bi-state signals. Other equipment is controlled by two relay outputs.
Highly accurate capacitive polymer sensors ensure excellent long-term calibration stability and final accuracy. Measurements can also be converted to other humidity interpretations: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific heat.
The unit comes with a T+RH probe with a 1 meter long cable. The cable length is available in 2 or 4 meters.
Process and analyze measurement data:
Online COMET Cloud
COMET Database Software
Integration with third party systems
Warranty: 3 years
- Technical Parameters
- Delivery list
Measurement parameters
Temperature
Relative Humidity
Count (Dew Point...)
Dual State Signal
Temperature Sensor
Measurement range: -30 to +105 °C
Measurement accuracy: ±0.4 °C
Resolution: 0.1 °C
Humidity Sensor
Measurement range: 0 to 100 % relative humidity
Measurement accuracy: ±2.5 % relative humidity (5 to 95 % at 23 °C)
Resolution: 0.1% Relative Humidity
outdoor spot
Measurement range: -60 to +80 °C
Measurement accuracy: ±1.5°C at +25°C ambient temperature, ±1.5°C at +10°C dew point temperature and above.
±2.0°C at 0°C dew point temperature at +25°C ambient temperature
±3.0°C at +25°C ambient temperature, ±3.0°C at -10°C dew point temperature
±6.0°C at +25°C ambient temperature, ±6.0°C at -20°C dew point temperature
Resolution: 0.1 °C
Measurement of compressed air humidity
Measuring range: up to 25 bars
Air flow rate: up to 25 m/s at 1 bar (1 m/s at 25 bars)
Relay Output
Quantity: 2
Maximum voltage: 50 V
Maximum current: 2 A
Maximum power: 60 VA
Binary Input
Quantity: 3
Binary input signals: dry contact, open collector or binary voltage signals.
The inputs are not isolated.
Minimum pulse duration for binary input: 500 ms
Voltage on open contacts: < 3,3 V
Low voltage level: 0 to +0.5 V
High voltage level: +3,0 to +30 V
General Technical Data
Operating temperature: -30 to +80 °C
Channels: 1 with connectable temperature and humidity probe
Audible alarm: via built-in buzzer - switchable
Measurements: Dew point, Absolute humidity, Specific humidity, Mixing ratio, Specific heat
Output: Ethernet
Measurement interval: 2 seconds
Humidity sensor temperature compensation range: covers all temperature ranges
Available Temperature Units: Celsius, Fahrenheit
Communication Protocol: WWW, ModbusTCP, SNMPv1, SOAP, XML
Alarm protocols: email (supports SMTP authentication), SNMP Trap, System Logs
Battery: 9-30 Vdc
Protection level: IP40
Dimensions: 136 x 159 x 45 mm; external probe length/diameter 150/18 mm
External probe cable length: 1 m
Weight: approx. 410 g
Warranty: 3 years
- H3531P
- Operator's Manual
- Traceable calibration certificate
- Free software for configuring the transmitter TSensor
- 3 months of COMET Cloud service