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cGas Detector for Indoor Public Spaces

CETCII Critical Instrument

Category : Gas Detectors

Kondisi : NEW

View : 129

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Hotline 1 : 0812-8927-0182
Hotline 2 : 02122278639 (Office Hour)
Whatsapp : 0812-9407-7633

Description This cGas Detector is designed for use in publicly occupied spaces where integrated demand controlled ventilation (DCV) is used for air quality and energy savings; for continuous monitoring of refrigerants where high-efficiency, high volume refrigerant cooling and heating systems (VRF) are used to keep the indoor environment comfortable; and for other continuous monitoring of hazardous gases in publicly frequented areas. The low profile, aesthetically pleasing enclosure is designed to reduce the noticeability of the device by the public eye. It is secured by a mounting plate that can be mounted proud of the wall or flush with the wall using a junction box. Both the analog and digital models are powered by 24 VDC or ground referenced AC, come with an LCD display, temperature compensation and thermal resetting fuse. Sensor replacement is easy with true Plug & Play smart sensors that arrive pre-calibrated. The firmware and configuration can be upgraded in the field using the USB connection. The digital models are user configurable in the field for BACnet® MS-TP RS-485 or Modbus® RTU RS-485 output for communicating with a controller, Building Automation System or other control panel. Both the analog and digital models may be configured with an internal gas sensor or a remote refrigerant sensor (dongle). The internal sensor model is ideal for mounting flush with the wall. The remote refrigerant sensor model has a 9m / 29.5ft dongle cable that is ideal for use in packaged terminal air conditioner (PTAC) applications.

Key Features

  • One 4-20 mA analog output or user in the field configurable BACnet® MS/TP RS-485 or Modbus® RTU RS-485 digital output signal to a BAS

  • Easy Plug & Play Smart Sensor replacement at end of life

  • Pre-calibrated replacement sensors

  • Bright LCD display

  • Optional internal PM2.5 particulate sensor (Option -PM)

  • Optional 2A SPDT dry contact relay (Option -RLY)

  • Optional RH & Temperature sensor (Option -RHT)

  • Low profile to reduce noticeability in public spaces

  • USB port for configuration changes and firmware upgrades

  • RoHS compliant circuit boards

Specifications

Target Gas

Gas Sensors : Carbon dioxide (CO2), Carbon monoxide (CO), R410A (other refrigerants may be available upon request)

 Target Other

Sensors : Particulates 

                RH & Temperature

 Mechanical

Enclosure : White ABS / Polycarbonate, low profile with mounting plate

Weight : 400 g / 14 oz

Size : 127.7 x 119 x 40 mm 5.0 x 4.7 x 1.6 in

Dongle Cable Length : 9 m / 29.5 ft (available with the CGAS-AP-RD and CGAS-DP-RD models)

 User Interface

Display : 2-line by 16 character graphic LCD, Operating Temp: 0°C to 40°C / 32°F to 104°F

Push Buttons : Initiate calibration and menu options with internal UP, DOWN and ENTER push buttons

USB Port : Internal port for USB memory stick for field configuration updates / firmware upgrades

Audible Alarm : none

 Input/Output

Analog Output (CGAS-AP models) : One 4 - 20 mA analog signal used for gas reading

Digital Output (CGAS-DP models) : User configurable in the field, BACnet® MS/TP (version 1 rev 14) RS-485 or Modbus® RTU (version 1.1b3) RS-485 (user configurable in the field)

RH & Temperature (Option -RHT)* : User selectable units DegC or DegF

Relay (Option -RLY)** : One SPDT dry contact, rated 30 volts, 2 amps max

 Electrical

Power Requirement : 16-30 VDC, 3 W, Class 2 

                                   12-27 VAC, 50-60 Hz, 3 VA, Class 2

Wiring (analog) : VDC (or ground referenced AC): 3-conductor 18 AWG (or larger) shielded, stranded within conduit
                           VAC 4-conductor shielded 18 AWG stranded within conduit

Wiring (digital) : VDC or VAC (ground referenced) 4-conductor shielded 16 AWG stranded within conduit network wiring (daisy-chain)

Fuse(s) : Automatic resetting thermal

 Environmental

Operating Temperature : 0°C to 40°C (32°F to 104°F)

Operating Humidity : 15 - 90% RH non-condensing

 Certifications

Conforms to : CSA-C22.2 No. 205-12, UL508 (Edition 18):2018 

                       EMC Directive 2014/30/EU, EN 50270:2015, Type 1, EN61010 

                       FCC. This device complies with Part 15 of the FCC Rules. 

                       Listed by BTL