RHTC-400

48×48

4 Digit – Dual Row
Humidity Controller

Features

  • Universal Input for Temperature & rH
  • PID or On-Off Control for Temperature & rH
  • Compressor Control Output with Time Delay
  • Programmable Alarms for Temperature & rH
  • Water Level Switch Input
  • Optional Serial Communication Port
  • Universal supply voltage from 90 to 270 VAC
  • Supply 24 VDC Available on Request
DescriptionRHTC-400
DisplayHeight & Colour0.39'' White & 0.24'' Green
No. of Digits4 Digits Dual Row
LED IndicationDH, WH, CP, TA, HA, D
Input Specification
Measurement



Temperature InputRTD : Pt-100
Analog : 0-20mA, 4-20mA, 0-1 VDC
Humidity InputAnalog : 0-20mA, 4-20mA, 0-1 VDC, 0-3.3 VDC, 0-5 VDC, 0-10 VDC, RH-20, RH-35
ResolutionPt-100: 1°C/ 0.1°C
Analog: 1°C/ 0.1/ 0.01/ 0.001°C
Sampling Rate 250msec
Accuracy 0.3% FS
Excitation Voltage5 Volts
Digital Input
Digital Input SelectionLow Water Level, None
Serial Communication
PortRS-485, Half Duplex
ProtocolModbus RTU
Baud Rate9600, 19200, 31250, 38400, 76800
ParityNone, Odd, Even
Data Bits8
Stop BitsOne(1), Two(2)
Output Specification
Output Relay 5A @ 250 VAC/ 30VDC
SSR Drive 12 VDC @ 30mA
DC Linear Output/ RetransmissionCurrent0-20mA, 4-20mA(500 ohms Max)
Voltage0-10Volt (1 Kohms Max)
Function Specification
Temperature And HumidityAlarmLow / High / Band / Low Deviation/ High Deviation
General Specification
Supply Voltage
90 - 270 VAC/ DC
(24 VDC Available on Request)
Temperature And Humidity Operating: 0-50°C
Storage: -20° to 75°C
95% RH (Non-condensing)
Dimensions in mm (H x W x D)48 x 48 x 70