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Loop Powered Humidity Transmitter HUMI-218

Description:

The Loop powered Humidity Transmitters HUMI-218 are microprocessor based programmable transmitters which are used for recording of humidity values.

Salient Features:

• Highly accurate Digital technology sensor gives fast and reliable output.
• Relative Humidity range is 0 to 100% RH with accuracy of ±2% RH.
• Long term stable output for Humidity.
• Digital Display of Humidity with its Unit.
• Standard 4-20 mA signal output with configurable range.
• Easy handling & programming with 3 keys for WP models.
• Non- intrusive programming for flameproof models using Magnetic Wand.
• Software calibration for Humidity.
• Compact size, can be easily installed.

Technical Specifications:

General:

• Detection Method: Advance CMOS Sensor Technology.
• Range/Resolution: For Relative Humidity 0 to 100%RH with 0.1 Resolution
• Display: 2-Line, 4×2 LCD Display
• Control Action:  Two independent Alarm set points for indication purpose.
• Setting: By 3 keys on front panel for WP model By using Magnetic Wand for flameproof mode Accuracy & Performance

Accuracy & Performance:

• Accuracy: ± 2 % RH
• RTC: ± 60 seconds per month
• Sampling Interval: 3 seconds

Electrical:

• Supply voltage: 18 to 36 VDC; Typically 24VDC
• Power consumption: Less than 0.6 Watts
• Cable: 3 wires (1.5 mm²) flexible or armoured shielded cable.

Output Signal:

• Standard: Loop 4-20mA current output with configurable range selection.
• Load resistance: 680 ohm at 24 VDC.

Environmental:

• Operating Temp.: -15 to +55°C

Accessories:

• CE certified 24 VDC power supply.

Flameproof Housing:

• Protection class: IP-66
• Cabinet material: Cast aluminium alloy, LM-6
• Cable entry: Double compression cable gland (EX-proof M20 X 1.5,½ “NPT &¾ “ ET-type
• Dimension: 255mm(H) with sensor holder X 230mm(W) with stopper plug &Cable gland X 125 mm(D)
• Mounting: Wall / Stand / Pipe
• Weight: Approximately 2.53kg

Weatherproof Housing:

• Protection class: IP-65
• Cabinet material: Polycarbonate ,Grey Colour
• Cable entry: Thermoplastic cable gland (IP-68)
• Dimension: 215mm(H) with sensor holder ×100 mm(W)with stopper plug & cable gland ×80 mm(D)
• Mounting: Wall Mounting/ Stand Mounting
• Weight: Approximately 300grams

Applications:

• Clean Rooms
• Swimming Pool
• Hospitals/ Labs
• Enthalpy control
• Museums / Archives
• Refrigeration Control
• Indoor Air Quality ( IAQ )
• HAVC /Buildings Control
• Energy Management System (EMS)