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Si Meccos iTr CO2 EV Monitor Gas Transmitter Universal Gas Alarm System

NewSi MeccosGas analysersGermany

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Product description

Standalone infrared CO2 gas transmitter with relay outputs, alarm LEDs, and buzzer for continuous air quality monitoring.

  • Manufacturer: Si Meccos
  • Model: iTr CO2 EV Monitor Gas Transmitter Universal Gas Alarm System
  • Part Number: 13746
  • Serial Number: 5701-4134
  • Year of Manufacture: 2011

Function:

Standalone Meccos iTR transmitter designed for continuous air quality monitoring to control oxygen, toxic, or explosive gases in critical environments such as laboratories, heating rooms, storage, and workplaces. It detects gas concentrations or leaks by direct installation in hazardous areas.

Applications:

  • Laboratory air monitoring
  • Heating rooms (natural gas, city gas)
  • Storage rooms (CO2, toxic gases, oxygen deficiency)
  • Workspaces with potential toxic/explosive gases or oxygen deficiency
  • Public rooms requiring air quality control (conference halls, theaters, restaurants)

Features:

  • Selective measurement of CO2, CH4, and combustible gases
  • High availability and long-term stability
  • Standalone operation
  • Four LED indicators for alarm, warning, operation, and fault status
  • Internal buzzer for alarms
  • Three integrated relay contacts for alarm, warning, and fault signals

Technical Specifications:

  • Measurement Principle: Infrared spectrometry
  • Detectable Gas: Carbon dioxide (CO2)
  • Wavelength Range: 4.3 µm
  • Light Source: Halogen lamp
  • Detector Type: Pyroelectric LiTa element
  • Optical Path Lengths: 50 mm, 20 mm, 10 mm, 1 mm
  • Typical Measurement Ranges: 0…1, 0…2, 0…5, 0…100 Vol% CO2
  • Accuracy: ±5% of reading
  • Response Time: <30 sec (90% response), max 1 min (100% response)
  • Operating Temperature: +3 to +40 °C
  • Indicators:
  • Red LED: main alarm (latched), pre-alarm (auto-reset)
  • Yellow LED: fault
  • Green LED: operation status
  • Outputs:
  • 4-20 mA analog output (max 500 Ω load)
  • Relays (normally open/closed): alarm, warning, fault (max 48 V DC / 20 W)
  • Alarm Devices: Internal buzzer for alarm and fault
  • Control Inputs: Reset/Test push-button
  • Maximum Measurement Points: 1
  • Electrical Supply: 18…26 V DC, ripple ±100 mV max
  • Power Consumption: 25 W max
  • Protection Rating: IP56
  • Dimensions (LxWxH): 165 x 82 x 90 mm
  • Weight: max 0.5 kg

Included:

  • Si Meccos iTr CO2 EV Monitor Gas Transmitter Universal Gas Alarm System

The device is in very good condition and fully operational.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

Does laboratory equipment ship internationally?

We ship to 38 countries. Crating and customs handling are quoted with the instrument.

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Last updated 23 October 2026