Application : Measurement of oxygene

Measurement Parameters : O₂

Measurement Range : 0 - 25% vol.

Certified by CSA, UL, CE, FCC Standards

1 year Calibration  Services & 10 years Support

Manufactured by Critical Environment technologies - Canada

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Application : Measurement of ambient gases in Indoor & Outdoor

Measurement Parameters : toxic, combustible and/or refrigerant gases

Certified by CSA, UL, CE & FCC Standards

1 year Calibration  Services & 10 years Support

Manufactured by Critical Environment technologies - Canada

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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

Application : Measurement of ambient gases in parkinng garages , repair shops , swimming pools , ce cleaning machine rooms & etc

Measurement Parameters : NH₃, CO, Combustible,Cl₂, C₂H₄, C₂H₄O, CH₂O, F₂, H₂, HCl, HCN, H₂S, NO₂, NO, O₂, O₃, PH₃, Refrigerants (R22, R134A, R401A, R402A, R404A, R407C, R410A, R422A, R422D, R438A, R507A), SiH₄, SO₂ & TVOCs

Measurement Range :

• Ammonia (NH₃) : 0 - 500 ppm
• Carbon Monoxide (CO) : 0 - 200 ppm
• Chlorine (Cl₂) : 0  - 5  ppm
• Ethylene (C₂H₄) : 0 - 1500 ppm
• Ethylene Oxide (C₂H₄O) : 0 - 20 ppm
• Formaldehyde (CH₂O) : 0 - 10 ppm
• Hydrogen (H₂) : 0 - 2000 ppm
• Hydrogen Chloride (HCl) : 0 - 20 ppm
• Hydrogen Cyanide (HCN) : 0 - 100 ppm
• Hydrogen Sulphide (H₂S) : 0 - 50 ppm
• Nitrogen Dioxide (NO₂) : 0 - 10 ppm
• Nitric Oxide (NO) : 0 - 100 ppm
• Oxygen (O₂) : 0 - 25% volume
• Ozone (O₃) : 0 - 2 ppm
• Phosphine (PH₃) : 0 - 5 ppm
• Refrigerants (R22, R134A, R401A, R402A, R404A, R407C, R410A, R422A, R422D, R438A, R507A) : 0 - 2000 ppm
• Silane (SiH₄) : 0 - 20 ppm
• Sulphur Dioxide (SO₂) : 0 - 20 ppm
• TVOCs (solid state) : 0 - 500 ppm

Measuring Method : internal electrochemical sensor or catalytic for combustibles (internal or external) or solid state for refrigerants or TVOCs (internal or external) sensor

Certified by CSA , UL508 , EMC & EN Approved

1 year Calibration  Services & 10 years Support

Manufactured by Critical Environment technologies - Canada

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Application : Monitoring of toxic and combustible gases in potentially explosive and harsh environments

Measurement Parameters : NH₃, CO₂, CO, H₂, H₂S, CH₄, NO₂, O₂, PH₃, C₃H₈ & SO₂

Measurement Range :

• Ammonia (NH₃) : 0 - 500 ppm
• Carbon dioxide (CO₂) : 0 - 5% volume
• Carbon monoxide (CO) : 0 - 1000 ppm
• Hydrogen (H₂) : 0 - 1000 ppm
• Hydrogen sulphide (H₂S) : 0 - 500 ppm
• Methane (CH₄) : 0 - 100% LEL
• Ntrogen dioxide (NO₂) : 0 - 99.9 ppm
• Oxygen (O₂) : 0 - 25% volume
• Phosphine (PH₃) : 0 - 5 ppm
• Propane (C₃H₈) : 0 - 100% LEL
• Sulphur dioxide (SO₂) : 0 - 99.9 ppm

Measuring Method : Electrochemical for NH₃, O₂, CO, H₂, H₂S, NO₂, PH₃, & SO₂, IR ( Infrared ) for CO₂, CH₄ & C₃H₈ & Catalytic for CH₄

Explosion -proof construction

Certified by CSA & ATEX Standards

1 year Calibration  Services & 10 years Support

Manufactured by Critical Environment technologies - Canada

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