Since Critical Environment Technologies Canada Inc. (CETCI) launched the Parkade Emissions Transmitter (PET) in September 2010, interests have spiked. PET is a highly competitive and versatile BACnet^® transmitter that is cost effective and is available in five configuration models.

PET BACnet^® transmitter is BTL certified, communicates via BACnet^® protocol MS/TP and is available with one or two electrochemical or solid-state sensors and temperature sensor. PET features thermal resetting fuse, tri-color LED indicators for power and alarm, optional 4-digit LED display, optional remote solid state sensor housing, and an optional 4-20 mA analog input for solid state sensors. In addition, PET includes a new sensor Calibration Extending Firmware (CEF) that takes into account the aging of the sensors so that less frequent calibrations are acceptable in non-critical applications.

Given that PET is available as a dual sensor transmitter; contractors will only need to purchase one unit, instead of two single sensor transmitter units. This could end up being a 30% cost saving. As a standard feature, both single and dual PET comes with a complimentary temperature sensor. There is no need to purchase and install a separate temperature device. All gas and temperature sensor values will be displayed at the same time, on a single unit. Not only is it cost effective to the contractor but is less time and money spent on installation.

PET is available in five configuration models:

• Single integral electrochemical sensor
• Dual integral electrochemical sensor
• Single integral solid-state sensor
• Single remote solid-state sensor
• Single integral solid-state sensor with 4-20 mA input activated for remote analog transmitter

Electrochemical sensor choices include ammonia (NH₃), carbon monoxide (CO), ethylene (C₂H₄), formaldehyde (HCHO), hydrogen (H₂), nitric oxide (NO), nitrogen dioxide (NO₂), oxygen (O₂), and sulphur dioxide (SO₂). This can be either a single or dual integral transmitter.

Solid state sensor choices include combustibles, TVOCs and refrigerants R11, R12, R22, and R134A. This can be either a single integral, single remote or single integral with analog input capabilities. For the later configuration model, any 24 VDC analog transmitters that output 4-20 mA can be connected to the PET and is powered by the PET. The PET in turn, converts the data to the BACnet^® protocol along with the integral solid-state sensor and temperature value.

PET is ideal for use in non-hazardous vehicle exhaust environments, commercial HVAC and light industrial applications.

For more information on the entire range of gas detection systems and IAQ instruments, please visit www.critical-environment.com.

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