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 | ||||
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. | Optional | RS-485 Communication port with MODBUS RTU protocol. | ||
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 | ||||
Measurement Accuracy | ±0.3°C for Temperature, ±1.8% for Relative Humidity | Storage Temperature | 10 to +50°C | ||
Response Time | Less than 30 Seconds. | Operating Temperature | -40 to +120°C | ||
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. | ||
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| RS-485 to USB convertor |
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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), ¾” 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. | ||
