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humidity meter
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 |
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Detection Method |
Advanced CMOS ens Technology. |
Standard |
Two 4-20mA Current Outputs with configurable range selection. |
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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”. |
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Control Action |
i) Two independent Alarm set points with Latch & Non-latch facility. |
Optional |
RS-485 Communication port with MODBUS RTU protocol. |
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Setting |
By 3 Keys on front panel |
Error Monitoring
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i) During Sensor break / open, the Display shows ‘SENSOR OPEN’ & 4-20mA output goes down to 3.7mA.
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Performance |
Environmental |
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Measurement Accuracy |
±0.3°C for Temperature, ±1.8% for Relative Humidity |
Storage Temperature |
10 to +50°C |
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Response Time |
Less than 30 Seconds. |
Operating Temperature |
-40 to +120°C |
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Start-up Time |
Less than 30 Seconds. |
Humidity |
100% Non-Condensing. |
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Electrical |
Accessories |
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Power Supply |
24 VDC (18 to 36 VDC) |
certified 24 VDC Power supply. |
RS-232 to RS-485 convertor |
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Power Consumption |
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Canopy Mounting stand. |
Hooter Cum Flasher. |
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Connection |
3 Wires (1.5 mm2) Flexible or Armored Shielded Cable. |
SCADA Software. |
Remote Control. |
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RS-485 to USB convertor |
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Weatherproof Housing |
Flameproof Housing |
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Protection Class |
IP-65 |
Protection Class |
IP-65 for Gas Gr. IIA, IIB & IIC CMRI approved enclosure, CCOE(Optional). |
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Cabinet Material |
Polycarbonate, grey colour |
Cabinet Material |
Cast Aluminium alloy, LM-6 |
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Cable Entry |
Thermoplastic cable gland (IP 68) |
Cable Entry |
Double compression cable gland (Ex-Proof), ¾” ET-type |
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Dimension |
171 mm (H) x 83 mm (W) x 57mm (D) |
Dimension |
180 mm (H) x 242 mm (W) x 128mm (D) |
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Mounting |
Wall Mounting / Stand Mounting |
Mounting |
Wall Mounting / Stand Mounting |
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Weight |
Approx 500 Grams. |
Weight |
Approx 2.0 Kg. |
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