CTHA60 - Ambient Temperature & Humidity Measurement Probe
CTHA60 - Ambient Temperature & Humidity Measurement Probe - Image 2

CTHA60
Ambient Temperature & Humidity Measurement Probe

Integrated temperature and humidity sensor communicating via Modbus

  • Ambient temperature measurement
  • Measurement of relative and absolute humidity (in ppm)
  • Dew point calculation
  • Storage of maximum and minimum measured and calculated values.
  • RS-485 Modbus interface.
Standards:
  • EN 61000-6-2
  • EN 61000-6-4
  • EN 61010-1
Certifications

Description

Inputs
Interface type Transmission mode Baud rate
Temperature -30 .. -20 .. 60 .. 85oC +/- 0.5%
Relative humidity 0 .. 100% +/- 2 % for RH = 10 … 90%

+/- 3% for relative humidity in the remaining range
Digital interface
Interface type Transmission mode Baud rate
RS-485 Modbus 8N1, 8N2, 8E1, 8O1 4,8; 9,6; 19,2; 38,4; 57,6; 115,2 kbit/s
Physical characteristics
General dimensions 38 x 58 x 118 mm
Weight 125 g
Degree of protection IP65
Fixation surface-mounted
Nominal operating conditions
Supply voltage 9 .. 24 V d.c./a.c Input power < 0,5 VA
Temperature Ambient : -20…23…60°C
Humidity < 95% No condensation
Operating position All If no exposure to water
Sensor downwards If risk of contact with water
Warm-up time 15 minutes
Air flow 0.5 m/s
Safety and compatibility conditions
Electromagnetic compatibility Noise immunity according to EN 61000-6-2 standard
Sound emissions according to EN 61000-6-4 standard
Isolation between circuits basic according to EN 61010-1 standard
Pollution degree 2
Installation category III
Maximum operating voltage (phase-earth voltage) 50V
Altitude < 2000 m
Inputs
Interface type Transmission mode Baud rate
Temperature -30 .. -20 .. 60 .. 85oC +/- 0.5%
Relative humidity 0 .. 100% +/- 2 % for RH = 10 … 90% +/- 3% for relative humidity in the remaining range
Digital interface
Interface type Transmission mode Baud rate
RS-485 Modbus 8N1, 8N2, 8E1, 8O1 4,8; 9,6; 19,2; 38,4; 57,6; 115,2 kbit/s
Physical characteristics
General dimensions 38 x 58 x 118 mm
Weight 125 g
Degree of protection IP65
Fixation surface-mounted
Nominal operating conditions
Supply voltage 9 .. 24 V d.c./a.c Input power < 0,5 VA
Temperature Ambient : -20…23…60°C
Humidity < 95% No condensation
Operating position All If no exposure to water
Sensor downwards If risk of contact with water
Warm-up time 15 minutes
Air flow 0.5 m/s
Safety and compatibility conditions
Electromagnetic compatibility Noise immunity according to EN 61000-6-2 standard
Sound emissions according to EN 61000-6-4 standard
Isolation between circuits basic according to EN 61010-1 standard
Pollution degree 2
Installation category III
Maximum operating voltage (phase-earth voltage) 50V
Altitude < 2000 m

Product Documentations

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