LPT-M Modbus® Transmitter

LPT-M Modbus® Transmitter

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For monitoring: Ammonia, Carbon monoxide, Chlorine, Ethylene, Formaldehyde, Hydrogen, Hydrogen sulphide, Hydrogen cyanide, Nitric oxide, Nitrogen dioxide, Oxygen, Ozone, Sulfur dioxide, Methane, Propane, Hydrogen, TVOCs

A full featured, 3 channel, digital (Modbus®) gas detector with many gas sensor choices

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Additional information

Application

Air Quality

Measure Component

gases, refrigerants, TVOC

Description

The LPT-M is a full featured, three channel, digital transmitter for use in non-hazardous, non-explosion rated, commercial and light industrial applications. It is available with a wide range of internal and/or remote sensors and sensor types including electrochemical, catalytic and PID TVOCs.

The LPT-M may be configured to operate as a standalone fixed system or be part of a digital network. It offers a Modbus® RS-485 RTU output signal for communicating with a Controller and/or a Building Automation System, an audible internal alarm, one SPDT dry contact relay, LCD display with user selectable functions, temperature compensation and thermal resetting fuses all in a RoHS compliant package.

The LPT-M comes in a standard water / dust tight, corrosion resistant ABS / polycarbonate enclosure with a hinged, secured door. With the optional, factory installed splash guard the enclosure is IP54 rated and provides protection in water spray or wash down applications. An optional heater is available for continued operation in cold environment applications.

Mechanical
Enclosure
ABS / Polycarbonate, corrosion resistant
Copper coated interior to reduce RF interference
IP54 rated with optional splash guard installed
Weight
363 g / 0.8 lbs
Size
127 x 127 x 71 mm / 5.0 x 5.0 x 2.8 inches
User Interface
Display
Graphic LCD, green border
Magnetic switches to initiate calibration without opening the enclosure
Input/Output
Output
Modbus® RS-485 RTU
Relay
One SPDT dry contact, rated 30 Volts, 2 Amps max
Audible Alarm
Standard internal buzzer, enable/disable, rated 90 dB @ 10 cm / 4 in
Electrical
Power Requirement
16-30 VDC, 3 W, Class 2
12-27 VAC, 50-60 Hz, 3 VA, Class 2
Current Draw
30 mA (buzzer & relay energized, 2 sensors)
Power Consumption
1 watt (with internal sensors)
3 watts (with remote ESH-A sensor)
Wiring
LAN Modbus® RTU (version 1.1b3) RS-485, 16 gauge, 4-conductor shielded network wiring (daisy-chain)
Fuses
Thermal, resetting
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
  • Parking Facilities
  • Arenas and Pools
  • Chiller Rooms
  • Manufacturing Plants
  • Maintenance Facilities
  • Food Processing Plants
  • 1, 2 or 3 channel operation with internal and/or remote sensor configurations
  • Modbus® RS-485 RTU communication
  • LCD display
  • One 2A SPDT dry contact relay
  • Internal audible alarm
  • 24 VAC/VDC power
  • 4-conductor daisy chain network wiring
  • Unobtrusive calibration and menu navigation using a magnetic wand
  • Optional display heater for cold environment applications
  • Standard water / dust tight, corrosion resistant enclosure (drip proof)
  • IP54 rated with optional splash guard installed.

No Accessories data.

No Media Data.

Additional information

Application

Air Quality

Measure Component

gases, refrigerants, TVOC

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LPT-M Modbus® Transmitter

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