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GA-12 Hand-held Gas Analyser

Brand: madur

GA-12 is madur’s smallest gas analyzer - hand-held, equipped with up to 3 EC cells. Small dimensions and light weight makes it very convenient for technicians that use analyzer on a daily basis. 

Rich offer of equipment and add-ons makes it interesting for more demanding users. Manufactured according to the principles of EN50379.
Features
  • Equipped with 2 or 3 electrochemical cells (typical configuration: O₂, CO, NO/NOₓ)
  • Works with an external portable printer via wireless communication (IR LED)
  • Up to 60 hours of work (version with replaceable alkaline batteries)
  • Fixed probe of two different lengths with inline filter and condensate trap
  • Differential pressure sensor - for measurements of chimney draft and flow velocity (with help of Pitot tube)
  • Additional gas filter with condensate trap (installed in the lid)
  • Cooperation with digital RH and temperature sensors
  • Measurements of gas and ambient temperatures
  • Results presented on LCD display (128 x 64) with backlight
  • Calculations of many additional parameters
  • Firmware for gas calibration
  • Two versions of power supply are possible:
  • Version with four replaceable AA batteries (alkaline, Ni-Cd or Ni-MH)
  • Version with built-in Li-ion rechargeable battery and additional mains adapter for battery charging

1 - 1 of 1 Part Numbers
GA-12
GA-12
  • Base Instrument - GA-12 Base A, Analyser Supplied with AA Replaceable Batteries, without Any Sensors
1 - 1 of 1 Part Numbers

Specifications

Brand

Accuracy

  • Carbon Monoxide, Nitric Oxide, Nitrogen Dioxide, Sulphur Dioxide, Hydrogen Sulphide: ± 5 ppm Absolute or 5 % Relative
  • Carbon Monoxide: ± 0.005 % Absolute or 5 % Relative
  • Carbon Monoxide: ± 10 ppm Absolute or 5 % Relative
  • Differential Pressure: ± 2 Pa Absolute or 5 % Relative
  • Gas & Boiler Intake Air Temperature: ± 2° C (3.6° F)
  • Gas Flow Velocity: 0.3 m/sec Absolute or 5 % Relative
  • Oxygen: 0.01 % Absolute or 5 % Relative
  • Relative Humidity, Excess Air Number, Stack Loss, Combustion Efficiency, Sensor: ± 5 % Relative

Ambient Temperature Range

  • Boiler Intake Air Temperature: -10° to 100° C (14° to 212° F)

Approvals & Certifications

  • Oxygen, Carbon Monoxide, Nitric Oxide, Nitrogen Dioxide, Sulphur Dioxide: EN 50379
  • Oxygen, Carbon Monoxide, Nitric Oxide, Nitrogen Dioxide: CTM-030

Cable Length

  • RS-232C Communication Cable: 8.2 feet (2.5 metres)

Communication

  • Communication Interface with PC Computer: RS-232C

Differential Pressure

  • psi: -0.36 to 0.36 (hPa: -25 to 25, bar: -0.025 to 0.025)

Display

  • Graphical LCD 128 x 64, with Variable Contrast & LED Backlighting

Electrical Connectors

  • DB9 Female Connector

Enclosure, Body Material

  • ABS Case

Function

  • Printer (External Thermal IR Printer MCP 8850 with Charger)

Humidity

  • 5 to 90 % Relative Humidity, Non-Condensing
  • 5 to 95 % Relative Humidity

Length

  • Gas Probe (Hose): 6.562 feet (2 metres)
  • Gas Probe: 5.91” (150 mm)

Materials of Construction

  • Rubber Protective Boot

Measuring Time

  • Gas & Boiler Intake Air Temperature, Differential Pressure, Gas Flow Velocity, Excess Air Number, Stack Loss, Combustion Efficiency: 10 seconds (T90)
  • Relative Humidity: 30 seconds (T90)
  • Sensor: 45 seconds (T90)

Media

  • Gas

Operating Temperature

  • 10° to 50° C (50° to 122° F)

Operating Time

  • 0 to 16 Hours - Version B
  • 0 to 60 Hours - Version A

Power Supply

  • 4 x AA Battery (Alkaline or Ni-Cd or Ni-MH) - Version A
  • Built-in Li-ion Battery (3.6 V, 1,600 mAh) - Version B

Range

  • Combustion Efficiency (Eta η): 0 to 120 %
  • Gas Flow Velocity: 1 to 50 m/sec
  • Sensor: 1,000 to 20,000 ppm
  • Stack Loss (qA): 0 to 100 %

Resolution

  • Differential Pressure: 1 Pa (0.01 hPa)
  • Excess Air Number: 0.01 λ
  • Gas & Boiler Intake Air Temperature: 0.1° C
  • Gas Flow Velocity: 0.1 m/sec
  • Relative Humidity: 1 %
  • Sensor: 0.001 to 0.01 %
  • Sensor: 0.1 to 1 ppm
  • Stack Loss, Combustion Efficiency: 0.1 %

Sensor, Probe Material

  • Probe: Stainless Steel

Sensor, Probe Type

  • K Thermocouple
  • Pt500 Resistive Sensor
  • SHT11 Capacitive Polymer Sensor
  • Silicon Piezoresistive Pressure Sensor

Storage Temperature

  • -20° to 55° C (-4° to 131° F)

Temperature Range

  • Gas Probe: 300° C (572° F) - Max.
  • Gas Temperature: -10° to 1,000° C (14° to 1,832° F)

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