LPT-P Digital Car Park Transmitter

For monitoring: Carbon monoxide, Nitrogen dioxide, Methane, Propane, Hydrogen

3 channel, digital (Modbus®) gas detector for enclosed parking facilities

Applications

Parking Facilities
Vehicle Repair Shops
Electric Car Charging Stations
Battery Charging Rooms
and many more...

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Key Features

3 channel operation
Modbus® RS-485 RTU communication
LCD display
24 VDC power
4-conductor daisy chain network wiring
Standard water / dust tight, corrosion resistant enclosure (drip proof)
IP54 rated with optional splash guard installed

Description

The LPT-P is an economical, 3 channel, digital transmitter that is designed to be part of a gas detection system for enclosed parking facilities/parkades and vehicle repair shop applications. It can be configured with an internal electrochemical Carbon monoxide (CO) and Nitrogen dioxide (NO2) sensor and one catalytic combustible ESH-A Remote Sensor.

The LCD display provides at-a-glance gas readings for each channel along with alarm and communication status. Navigating the menu can be done unobtrusively with a magnetic wand or by using the internal programming buttons.

The LPT-P is not a standalone gas detection device, it operates on a local area network (LAN) using Modbus® RS-485 RTU serial communications with a CET Controller, a control panel, Direct Digital Control system (DDC) or a Building Automation System (BAS). The LPT-P does not have an internal alarm or relay.

The LPT-P comes in a standard water / dust tight, corrosion resistant ABS/ polycarbonate enclosure with a hinged, secured door. With the optional splash guard installed, the enclosure is IP54 rated and ideal for use in water spray or wash down applications.

Specifications

Target Gas

Internal Gas Sensors

Carbon monoxide (CO) and Nitrogen dioxide (NO2)

Remote Gas Sensors

Hydrogen (H2), Methane (CH4) or Propane (C3H8)

Mechanical

Enclosure

ABS / Polycarbonate, corrosion resistant

Copper coated interior to reduce RF interference

IP54 rated with 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, white border

Magnetic switches to initiate calibration without opening the enclosure

Input/Output

Output

Modbus® RS-485 RTU

Electrical

Power Requirement

16-30 VDC, 3 W, Class 2

Current Draw

45 mA @24 VDC (max)

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

Product Codes

LPT-P-TCO-NO2B-R

Three channel, internal electrochemical 6-year carbon monoxide (CO) sensor (0 - 200 ppm range) and internal electrochemical 6-year nitrogen dioxide (NO2) sensor (0 - 10 ppm), must add ESH-A remote sensor, LCD display, Modbus® RS-485 communication, water / dust tight enclosure

Factory Options

-H

Internal heater for the display for improved usability in cold environment applications down to -40°C / -40°F

-S

Splash guard, factory installed, IP54 rating

Remote Sensors

ESH-A-CH2-100

Catalytic Hydrogen (H2) ESH-A Remote Sensor (0 - 100% LEL), water / dust tight enclosure

ESH-A-CCH4-100

Catalytic Methane (CH4) ESH-A Remote Sensor (0 - 100% LEL), water / dust tight enclosure

ESH-A-CC3H8-100

Catalytic Propane (C3H8) ESH-A Remote Sensor (0 - 100% LEL), water / dust tight enclosure