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GA-12 Plus Portable Gas Analyser
Brand: madurGA-12 plus can be equipped with up to 4 electrochemical cells. By default fitted with Li-ion battery.
Suitable for a soot test using electronically controlled gas volume.
It holds big memory capable of storing 32 measurement reports.
Manufactured according to the principles of EN50379.
An attractive alternative to other, bigger analyzers.
Features- Equipped with 3 or 4 electrochemical cells (typical configuration: O₂, CO, NO/NOₓ, SO₂)
- Works with an external portable printer via wireless communication (IR LED)
- Built-in rechargeable Li-ion battery for up to 16 hours of operation
- Probe holder with a standard M30 x 1 fitting, fits all madur gas probes with the K-type or S-type thermocouples
- Availability of soot measurements (with proper probe holder)
- Built-in pressure sensor for chimney draft measurements and continuous pump flow control
- Optional differential pressure sensor - for measurements of chimney draft and flow velocity (with help of Pitot tube)
- Co-operation with digital RH and temperature probe
- Measurements of gas and ambient temperatures
- Results presented on LCD display (128 x 64) with back-lighting
- Built-in large memory for results
- Firmware for gas calibrations
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
- Excess Air Number, Stack Loss, Combustion Efficiency, Sensor: ± 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: ± 5 % Absolute
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
Flow Rate
- Gas Pump: 0.6 to 0.9 L/minute, Max.
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: 11.8” (300 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)
- Nitric Oxide: 70 seconds
- Oxygen, Carbon Monoxide, Nitrogen Dioxide, Sulphur Dioxide, Hydrogen Sulphide: 45 seconds
- Relative Humidity: 30 seconds (T90)
Media
- Gas
Operating Temperature
- 10° to 50° C (50° to 122° F)
Operating Time
- Fully Charged Battery: 0 to 16 Hours
Range
- Combustion Efficiency (Eta η): 0 to 120 %
- Gas Flow Velocity: 1 to 50 m/sec
- Sensor: 1,000 to 20,000 ppm
- Sensor: 10 to 25 %
- Stack Loss (qA): 0 to 100 %
Resolution
- Differential Pressure: 1 Pa (0.01 hPa)
- Gas & Boiler Intake Air Temperature: 0.1° C
- Gas Flow Velocity: 0.1 m/sec
- Lambda λ- Excess Air Number: 0.01
- Relative Humidity: 1 %
- Sensor: 0.001 to 0.01 %
- Sensor: 0.1 to 1 ppm
- Stack Loss, Combustion Efficiency: 0.1 %
Sensor, Probe Type
- K Thermocouple
- Pt500 Resistive Sensor
- SHT11 Capacitive Polymer Sensor
- Silicon Piezoresistive Pressure Sensor
- S Thermocouple
Storage Temperature
- -20° to 55° C (-4° to 131° F)
Temperature Range
- Gas Temperature: -10° to 1,000° C (14° to 1,832° F)