AMBETRONICS ENGINEERS PVT. LTD.
HUMIDITY AND TEMPERATURE CONTROLLER PANEL MOUNTING

HUMIDITY AND TEMPERATURE CONTROLLER PANEL MOUNTING

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TRH 307 HUMIDITY AND TEMPERATURE CONTROLLER Panel mounting 

FEATURES: 

 

  • Highly Accurate, Fast & Reliable Sensing Technology
  • User Programmable With Password Protection
  • Easy Programming With Front Panel Push Buttons
  • No Calibration Required
  • 4 Digit Dual L.E.D Display : Upper Display For % RH
  • Lower Display For Temp
  • Excellent Long-Term Stability & Spike Protected
  • Two Relay O/Ps, One Each For Humidity & Temperature
  • Adjustable Time Delay For Operation Of The Relays
  • Two 4 - 20 mA O/Ps, One Each For Humidity & Temp.
  • Modbus RTU Protocol with Isolated RS-485 Communication 

 

APPLICATIONS: 

 

  • Storage, warehouse and cold storage
  • Building management / HVAC Systems
  • Energy Management & Energy Saving Systems 
  • Clean Room Monitoring & Validation, In
  • Pharmaceutical, Laboratories, Bioscience
  • Climate Test Chambers 
  • Computer Server Rooms
  • Green Houses, Agriculture farms
  • Meteorological, Weather Forecast Applications
  • Healthcare, Hospitals, Shopping Malls
  • Climate Control in Museums, Libraries 

 

TECHNICAL SPECIFICATIONS

Input

Temperature

Humidity

Range

-40~120oC

0 ~ 100 % RH

Resolution

0.1o C

0.1 % RH

Accuracy

+0.3% of full scale

+ 1.8 % of full scale

Sensor Type

1)Band gap temperature sensor for temperature.
2)Capacitive polymer sensing for Relative Humidity.

Sensor Cable length

Standard 1 meter, can extend up to 15 m on request.

Display

Upper: 4 Digit, 0.56 (13mm), 7 Segment RED L.E.D. Display for Humidity.
Lower: 4 Digit, 0.56 (13mm), 7 Segment RED L.E.D. Display for Temperature.

L.E.D. Indication

TD1 & TD2 for Time Delay, RL1 & RL2 for relays, TX & RX for communication, PRG to show "User"  in programming mode, DEW to show Lower Display shows "˜Dew Point"

Set Point

Two Independent set points, one each for RL1 & RL2 with Programmable Latch & Non latch facility

Hysteresis

0~10, Independent setting for RL1 & RL2

Control Action

LO - HI, HI - LO, LO - Very  LO, HI- very HI , Programmable by User

Time Delay

0 ~ 9999 Sec., Independent setting for RL1 & RL 2 to operate after the ˜Process Value crosses Set Point Value

Relay Contact Type

1 NO / C/ NC Relay Contact Rated 230 VAC /5A for RL1 & RL2

Configuration of Relay

RL1 operates for Humidity, RL2 operates for Temperature

Fault Condition

In "Under", "Over" Or "Open" Condition i.e. "Set / Next", "Up", "Down" & "˜Dew / Back" Key, Lower Display shows "Dew Point"

Monitoring : Sensor Open/ Under/ Over

1)By Display : Sensor "Break / Open" Shows "Open" Indication
2)By Retransmission current O/Ps : Up Scale Current : 21mA, Down Scale current : 3mA, Programmable by User

Retransmission Output

1)2no., 4~20 mA OR 20 ~4 mA Programmable with max load 750 ohms for Temp & Humidity
2) Range: - 999 ~ 9999 , Low Range & High Range, Anywhere in the range (High Range > Low Range)

Communication

Modbus RTU Protocol with Isolated RS - 485 Communication

Supply Voltage

230 VAC +10% OR 110 VAC+10% OR 24VDC

Operating Temperature

-40~85o C

Relative Humidity

Below 95% non condensing

Sensor Housing

P.V.C. /SS316, Please Specify while ordering

Enclosure Details

PANEL MOUNTING (PM)

WEATHERPROOF (WP)

FLAMEPROOF (FLP)

Protection Class

IP-40

IP- 65

IP-65, CMRI Approved for IIA & IIB GAS Group

Cabinet Material

ABS Plastic, Black / White Colour

Thermoplastic Cable Gland (IP- 68)

Double compression cable gland (EX- Proof), 3/4 ET-Type

Dimension

96 (H) x 96 (W) x 120 (D) in mm

215 (H) x240 (W) x 120 (D) in mm

300 (H) x 250 (W) x 110 (D) in mm

Cutout

92 (H) x 92 (W) in mm

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Mounting

Panel Mounting

Wall Mounting/ Stand Mounting

Wall Mounting/ Stand Mounting

Weight

Approx. 1.0 Kg

Approx. 2.5 Kg

Approx. 4.0 Kg