Key Features

• Single or dual channel operation
• Flexible internal and/or remote sensor configurations
• 2x16 character LCD display with LED indicators
• Two 5-amp SPDT dry contact relays
• Two 4- 20 mA outputs with VFD control
• One configurable 4 - 20 mA input
• Optional loud or water tight, door mounted buzzer
• Thermal resetting fuses
• Standard water / dust tight, corrosion resistant enclosure (drip proof); IP54 rated with optional splash guard installed

Key Features

• 2x16 character LCD display with LED indicators
• Loud side mounted buzzer
• Blocked flow alarm
• Sample draw pump
• Adjustable flow meter
• Oxygen sensor 0 - 25% volume (3 year lifespan)
• One 5-amp SPDT dry contact relay
• Two 4- 20 mA outputs (O2 reading, Flow Alarm)
• Thermal resetting fuses
• RoHS compliant circuit boards
• Standard water / dust tight, corrosion resistant enclosure (drip proof)

Key Features

• Up to 4 channels of gas readings in any combination of analog and/or digital transmitters
• Configured with either a Modbus® RS-485 output signal for LAN and WAN communications or a BACnet® RS-485 output signal for WAN communications only (for communicating with a BAS)
• Optional two 4-20 mA outputs with data logging
• Three 5-amp SPDT dry contact relays
• 4 line, 20 character LCD display with LED indicators
• Standard water / dust tight, corrosion resistant enclosure (drip proof); Pending IP54 rating with door mounted, water tight buzzer installed.
• USB port for firmware upgrades and data logging
• RoHS compliant circuit boards
• Thermal resetting fuses

Key Features

• Single or dual channel operation
• Internal or remote sensors configurations
• Six conduit entry ports
• Thermal resetting fuse
• LED indicators
• Audible alarm
• Two 5-amps SPDT dry contact relays
• Optional 4 – 20 mA input (replaces remote combustible sensor)
• Standard water / dust tight, corrosion resistant enclosure (drip proof); IP54 certified with optional splash guard installed
• RoHS compliant circuit boards

Key Features

• Low power consumption
• Dual temperature compensated pyroelectric infrared detectors
• Fast response with accurate low-level gas detection
• Long sensor life
• Water / dust tight / corrosion resistant polycarbonate enclosure
• Linear analog (4-20 mA) output
• Target gases include CO2, Hydrocarbons (including Methane), Nitrous Oxide
• RoHS compliant circuit boards

Key Features

• Single internal infrared CO2 sensor
• Operating power 24 VDC or 24 VAC nominal
• 4 - 20 mA or 0 - 10 VDC linear output signal
• 0 - 2,000 ppm standard range
• 0 - 4% volume measurement range (AST-IS18 for winery applications)
• Relay output (AST-IS18 only)
• LCD digital display (AST-IS6 and AST-IS18 only)
• Low maintenance, easy calibration
• RoHS compliant circuit boards
• CE certified

Key Features

• Single internal infrared CO2 sensor
• Linear 4 - 20 mA or 0 - 10 VDC output
• Operating power 24 VDC or 24 VAC nominal
• Low maintenance, easy calibration
• 0 - 2,000 ppm standard range
• Relay output (AST-IS5 model only)
• 1 LEED credit (AST-IS14 model only)
• Attractive PVC enclosures ideal for indoor use
• RoHS compliant circuit boards
• CE certified

Key Features

• RS485 digital output signal
• Wide variety of sensors for all applications
• RoHS compliant circuit boards
• Configured for four wire multidrop wiring
• Thermal resetting fuse
• LED indication for Power, Fail and Alarm
• Power requirement 24 VDC nominal
• Simple calibartion procedure

Key Features

• 2-wire loop, 3-wire VDC or 4-wire VAC power
• Linear 4 - 20 mA output signal
• Standard water / dust tight, corrosion resistant enclosure (drip proof). IP54 certified with optional splash guard installed.
• Single sensor: carbon monoxide (CO) or nitrogen dioxide (NO2)
• RoHS compliant circuit boards
• Easy maintenance
• Economical
• Includes sensor CEF (calibration extending firmware)
• Auto resetting fuse
• Automated calibration procedure

Key Features

• MS/TP BACnet communication
• RoHS compliant circuit boards
• Thermal resetting fuse
• Tri-color LED indicator
• Economical
• Easy maintenance
• Single or dual gas sensor
• Includes temperature sensor
• Includes sensor Calibration Extending Firmware (CEF)
• BTL certified

Key Features

• Long life, non-dispersive infrared refrigerant sensor allows for accurate, low level leak detection with no cross interferences from other gases
• Two models available: Broadband or Gas Specific
• Detects a wide range of refrigerants
• No field calibrations required
• Modbus RTU interface to connect to BAS/BMS systems
• On-board alarm relay
• Bright, alpha-numeric, LED display with visual and audible alarms
• User selectable, analog output: 4-20 mA, 0-5V, 1-5V, 0-10V, 2-10V
• RoHS compliant circuit boards

Key Features

• Full featured, standalone transmitter
• 3-wire VDC or 4-wire VAC power
• 24 volt DC or AC power (nominal)
• Linear 4 - 20 mA or 0 - 10 volt output signal
• 1 dry contact relay (2 amps @ 30 V SPDT)
• Single sensor: available with an internal electrochemical sensor or catalytic for combustibles (internal or external) or solid state for refrigerants or TVOCs (internal or external) sensor
• Graphic LCD display (user selectable, on / off) available with optional heater
• Audible alarm
• Standard water / dust tight, corrosion resistant enclosure (drip proof). IP54 certified with optional splash guard installed
• Auto resetting fuse
• Automated calibration procedures for non-intrusive applications
• RoHS compliant package

Key Features

• Large graphic LCD display for real time monitoring
• Heated sensors and electronics for low temperature operation
• 4 - 20 mA or Modbus® digital outputs
• Displays values in bar graphs or 30 minute onboard data trends
• Security menu with authorization code access to lock critical parameters
• Three 5 amp relays
• Rugged construction to withstand impact damage
• CSA & ATEX certified