AMBETRONICS ENGINEERS PVT. LTD.
HUMIDITY AND TEMPERATURE CONTROLLER WEATHERPROOF

HUMIDITY AND TEMPERATURE CONTROLLER WEATHERPROOF

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TRH 307 HUMIDITY AND TEMPERATURE CONTROLLER weatherPROOF

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

-40~120° C

0 ~ 100 % RH

RESOLUTION

0.1° 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

-40~85° 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), ¾ 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



MOUNTING

PANEL MOUNTING

WALL MOUNTING/ STAND MOUNTING

WALL MOUNTING/ STAND MOUNTING

WEIGHT

APPROX. 1.0 KG

APPROX. 2.5 KG

APPROX. 4.0 KG