รหัสสินค้า : E2611-HFC

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E2611-HFC Refrigerants Detector

Refrigerants detector-transmitter E2611-HFC is a member of new PluraSens® family of multifunctional measurement instruments.

Applications include cold storage warehouses, skating arenas, and other areas, where leakages of halocarbon refrigerants are possible.

The instrument utilises a fully calibrated metal-oxide semiconductor gas sensor with excellent repeatability, stability and long lifetime. The sensor is highly sensitive to a wide range of CFC, HFC and HFO compounds, including R-12, R-123, R-125, R-134a, R-143, R-22, R-404a, R-407c, R-410a, R-507, R-514a, R-1234yf, R-1234ze and similar.

Two relays with closing contact may be used for remote signalling or ventilation control. Two alarm set-points are user settable. Internal buzzer gives sound alarms.

Two analog outputs and RS485 digital interface with industry standard Modbus RTU protocol can be used to connect the detector to safety or building automation systems.

Features

Stable long-life metal-oxide sensor

Ranges 0...1000 / 0...2500 ppm halocarbon gas

Resolution 1 ppm halocarbon gas

Two SPST relays

2 × 4-20 mA or 0-10 V, RS485

Technical Data

Detected gases R-12, R-123, R-125, R-134a, R-143, R-22, R-404a, R-407c, R-410a, R-507, R-514a, R-1234yf, R-1234ze etc

Default calibration R-404a

Sensing method metal-oxide semiconductor

Sampling method diffusion

Detection ranges 0...1000 ppm halocarbon gas

0...2500 ppm halocarbon gas

Resolution 1 ppm halocarbon gas

Sensor lifetime >5 years

Power supply 12...36 VDC (default),

24 VAC or 230 VAC as options

Digital interface RS485, Modbus RTU protocol

Analog outputs 2 × 4-20 mA / 0-10 V, user settable

Output relays 2 × SPST relays (closing contact),

250 VAC / 30 VDC, 5 A max

Alarms buzzer 85 dB

Alarm setpoints minimum 250 ppm

Enclosure light-grey ABS plastic with ventilation slots, IP20

Dimensions H85 × W85 × D37 mm

Operating conditions -30...+60 °C, 0...95 %RH

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