ESH-A Remote Sensor

For monitoring: Acetylene, Hydrogen, Methane, Propane, TVOCs

Single analog remote sensor for flexible location monitoring

Applications

Parking Facilities
Vehicle Repair Shops
Equipment / Machinery Rooms
Manufacturing Plants
Food Processing Plants
Battery Charging Rooms
and many more...

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Key Features

Allows remote location monitoring of combustible gases or TVOCs
Current or voltage output signal
12 - 24 VDC supply power
Communicates with many of CETCI’s controllers and transmitters
Easy to to install and maintain
Standard water / dust tight, corrosion resistant enclosure (drip proof)
IP54 rated with optional splash guard installed

Description

The ESH-A Remote Sensor offers flexible location monitoring of combustible gases or PID TVOCs in non-hazardous, non-explosion rated, commercial and light industrial applications. It communicates with the device it is attached to using current loop into a 100 ohm load or a voltage signal of 0.40 to 2 volts. It can be located at a maximum distance of 200 meters from the compatible controller or transmitter.

The mounting height of the ESH-A Remote Sensor depends on the gas being monitored. A gas that is heavier than air should be detected 6 inches from the floor and a gas that is lighter should be detected on or near the ceiling. A gas that has the same density as air should be detected in the “breathing zone”, where most human breathing takes place, which is 1 to 2 m (4 to 6 ft) from the floor.

The ESH-A Remote Sensor comes in a standard water / dust tight, corrosion resistant ABS / polycarbonate enclosure with a hinged, secure door and is designed to protect the sensor and provide easy mounting components.

An optional splash guard may be installed to further protect the remote sensor in water spray or washdown applications.

The ESH-A Remote Sensor is not a standalone device, it must be used with the SCC, DCC, LPT-A, LPT-P, LPT-M, LPT-B, CGAS-A or CGAS-D (remote sensor's target gas will differ based on device).

Specifications

Target Gas

Catalytic Sensors

Acetylene (C2H2), Hydrogen (H2), Methane (CH4), Propane (C3H8)

PID Sensors

TVOCs

Infrared Sensors

Propane (C3H8)

Mechanical

Enclosure

ABS / Polycarbonate, corrosion resistant

Copper coated interior to reduce RF interference

IP54 rated with splash guard installed

Weight

181 g / 0.4 lbs

Size

127 x 127 x 53 mm / 5.0 x 5.0 x 2.1 inches

Input/Output

Output

Current loop into a 100 ohm load, or

Voltage signal of 0.40 to 2 volts

Electrical

Power Requirement

12 - 24 VDC, 1 W Class 2
(do not use AC power source to power the ESH-A)

Current Draw

45 mA @24 VDC (max)

Wiring

4-conductor 18 AWG stranded, shielded

Environmental

Operating Temperature

-20°C to 40°C (-4°F to 104°F)

Operating Humidity

15 - 90% RH non-condensing

Certifications

Conforms to

CSA-C22.2 No. 205-12 / UL508 (Edition 17):2007

EMC Directive 2004/108/EC, EN 50270:2006, Type 1, EN61010

FCC. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

RoHS compliant circuit boards