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...

Key Features

  • 1, 2 or 3 channel operation with internal and/or remote sensor configurations
  • 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, three channel, digital transmitter that is designed to be part of a gas detection system for enclosed parking facilites/parkades and vehicle repair shop applications. It can be configured with a single and/or dual internal electrochemical Carbon monoxide (CO) and/or Nitrogen dioxide (NO2) sensor and/or 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 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
Gas Sensors
Carbon monoxide (CO), Nitrogen dioxide (NO2), Hydrogen (H2), Methane (CH4), 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

Product Codes
LPT-P-TCO
Single channel, internal electrochemical 6-year carbon monoxide (CO) sensor (0 - 200 ppm range), LCD display, Modbus® RS-485 communication, water / dust tight enclosure 
LPT-P-TCO-R
Dual channel, internal electrochemical 6-year carbon monoxide (CO) sensor (0 - 200 ppm range), must add ESH-A remote sensor, LCD display, Modbus® RS-485 communication, water / dust tight enclosure 
LPT-P-NO2B
Single channel, internal electrochemical 6-year nitrogen dioxide (NO2) sensor (0 - 10 ppm range), LCD display, Modbus® RS-485 communication, water / dust tight enclosure 
LPT-P-NO2B-R
Dual channel, 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 
LPT-P-TCO-NO2B
Dual 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), LCD display, Modbus® RS-485 communication, water / dust tight enclosure 
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 
LPT-P-R
Single channel, no internal sensor (set up to accept an ESH-A remote sensor), LCD display, Modbus® RS-485 communication, water / dust tight enclosure 
Factory Options
-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 

Options, Accessories and More...

metal-protective-guard-1

Metal Protective Guards

Helps protect the gas detection equipment against abrasive damage, theft and vandalism

calibration-kit

Calibration Kit

Comes in a durable, hard plastic carrying case for easy access and transport of tools required for calibration

calibration-gases

Calibration Gases

Splash Guard (Option -S)

Recommended for gas detectors installed in wash down or wet environments

Magnetic Wand

Useful for quick access and in wet or dirty environments

Sample Draw Pump Unit

Uses a pump to pull sample air through a length of tube into the gas detector, across the sensor and exhaust it from the outlet port

Cal Clip Calibration Adapter

A removable adapter that allows the use of both hands during calibration

ESH-A Remote Sensor

Single analog remote sensor for flexible location monitoring

Certificate of Sensor Calibration

A Certificate of Sensor Calibration is available for customers who require detailed calibration information

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