AMBETRONICS ENGINEERS PVT. LTD.
Transmitter

Transmitter

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Transmitter


Features:

  • Highly accurate Digital technology sensor gives fast and reliable output.
  • Fully calibrated Digital sensor, no need of field calibration.
  • Long term stable output for both Temperature and RH.
  • Calculated Dew point measurement based on measurement of Temperature and Humidity.
  • Wide range of operating Temperature and full scale.
  • User selectable Temperature, RH & Dew point outputs.
  • Digital Alphanumeric display with Auto backlit.
  • Standard 4-20mA signal outputs with configurable range.
  • Easy handling & programming with 3 keys.
  • Can be programmed using Remote Control from 10 meters line of site distance.
  • Non-intrusive programming for flameproof models using Magnetic Pen.
  • Password protected programming menu.
  • Optional Alarm relay contacts with two configurable Alarm levels.
  • Optional RS-485 communication port with MODBUS RTU Protocol. 

Applications :

  • HVAC / Buildings Controls.
  • Energy Management system (EMS)
  • Enthalpy control.
  • Indoor air quality (IAQ)
  • Clean rooms.
  • Museums / Archives.
  • Hospitals / Labs
  • Refrigeration control.
  • Pharmaceutical.
  • Swimming pool 

TECHNICAL SPECIFICATIONS 

General 

Output Signal

Detection Method

Advanced CMOS ens Technology.

Standard

Two 4-20mA Current Outputs with configurable range selection.

Display

8 x 2 Alphanumeric LCD with Auto Backlit.

8 LEDs to indicate status of instrument.

Optional

Two SPDT Relays of rating 120VAC/2A, 240VDC/2A

Control Action

i) Two independent Alarm set points with Latch & Non-latch facility.
ii) User selectable Hysteresis and Logic option.

Optional

RS-485 Communication port with MODBUS RTU protocol.

Setting

By 3 Keys on front panel
By using Magnetic pen (Only for Flameproof model) 
By using Remote Control (Optional)

Error Monitoring


 


i) During Sensor break / open, the Display shows SENSOR OPEN &

4-20mA output goes down to 3.7mA.


Performance

Environmental

Measurement

Accuracy

+0.3oC for Temperature, +1.8% for Relative Humidity

Storage Temperature

10 to +50oC

Response Time

Less than 30 Seconds.

Operating Temperature

-40 to +120oC

Start-up Time

Less than 30 Seconds.

Humidity

100% Non-Condensing.

Electrical 

Accessories

Power Supply

24 VDC (18 to 36 VDC)

certified 24 VDC Power supply.

RS-232 to RS-485 convertor

Power Consumption


Canopy Mounting stand.

Hooter Cum Flasher.

Connection

3 Wires (1.5 mm2) Flexible or Armored Shielded Cable.

SCADA Software.

Remote Control.



RS-485 to USB convertor


Weatherproof Housing

Flameproof Housing

Protection Class

IP-65

Protection Class

IP-65 for Gas Gr. IIA, IIB & IIC CMRI approved enclosure, CCOE(Optional).

Cabinet Material

Polycarbonate, grey colour

Cabinet Material

Cast Aluminium alloy, LM-6

Cable Entry

Thermoplastic cable gland (IP 68)

Cable Entry

Double compression cable gland (Ex-Proof),  ET-type

Dimension

171 mm (H) x 83 mm (W) x 57mm (D)

Dimension

180 mm (H) x 242 mm (W) x 128mm (D)

Mounting

Wall Mounting / Stand Mounting

Mounting

Wall Mounting / Stand Mounting

Weight

Approx 500 Grams.

Weight

Approx 2.0 Kg.