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马杜手持烟气分析仪GA12

点击次数:3466 发布时间:2013/8/27
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马杜手持烟气分析仪GA12

1. General parameters – Version A (with replaceable AA batteries)

Dimensions (W x H x D) (drawing #1 below) 245 x 116 x 47mm
Weight (analyser itself without batteries and accessories) 470g
Housing material ABS case, rubber protective boot (optional)
Operating conditions T: 10°C ÷ 50°C, RH: 5% ÷ 90% (non-condensing)
Storing temperature -20°C ÷ +55°C
Power supply 4 x AA battery (alkaline or Ni-Cd or Ni-MH)
Operating time (new alkaline batteries) Up to 60 hours
Number of gas sensors 2 or 3 – see ordering guide
Memory for results for 64 measurement reports
Display Graphical LCD 128x64, with variable contrast and LED backlight
Gas pump Diaphragm, max 0.6 ÷ 0.9l/min.
Printer External thermal IR printer MCP 8850 with charger
Communication interface with PC computer RS-232C
Gas probe: length | hose length | temp. range (drawing #2 below) 150mm or 250mm | 2m | 300°C max
Gas filtering In-line filter included in the gas probe hose

2. GA-12 with built-in rechargeable Li-ion battery

Weight (analyser with a battery, without accessories) 510g
Power supply Built-in Li-ion battery (3.6V, 1600mAh)
Operating time (battery fully charged) Up to 16 hours
All other data is the same as in table 1

马杜手持烟气分析仪GA12

3. Measurements of gas components

云鼎棋牌Table below shows the combination of all sensors/ranges. Please mind that the maximum possible gas sensors number in a device is 3 – see ordering guide

Component Method Range | resolution Accuracy Time (T90
O2 – Oxygen O2-A2 electrochemical sensor 20.95% | 0.01% ± 0.1% abs. or 5% rel. 45 sec
O2 – Oxygen O2-A2 electrochemical sensor 25.00% | 0.01% ± 0.1% abs. or 5% rel. 45 sec
CO – Carbon monoxide CO-AF electrochemical sensor 2 000ppm | 0.1ppm ± 5ppm abs. or 5% rel. 45 sec
CO – Carbon monoxide CO-AF electrochemical sensor 4000ppm | 1ppm ± 5ppm abs. or 5% rel. 45 sec
CO – Carbon monoxide CO-AF electrochemical sensor 20 000ppm | 1ppm ± 10ppm abs. or 5% rel. 45 sec
CO – Carbon monoxide CO-AE electrochemical sensor 10% (100 000ppm) | 10ppm ± 50ppm abs. or 5% rel. 45 sec
CO – Carbon monoxide CO-AX electrochemical sensor with
low H2 cross sensitivity
4 000ppm) | 1ppm ± 5ppm abs. or 5% rel. 45 sec
NO – Nitric oxide NO-AE electrochemical sensor 2 000ppm | 0.1ppm ± 5ppm abs. or 5% rel. 45 sec
NO2 – Nitrogen dioxide NO2-AE electrochemical sensor 1 000ppm | 0.1ppm ± 5ppm abs. or 5% rel. 45 sec
SO2 – Sulphur dioxide SO2-AE electrochemical sensor 2 000ppm | 0.1ppm ± 5ppm abs. or 5% rel. 45 sec
H2S – Hydrogen sulphide H2S-AE electrochemical sensor 2 000ppm | 0.1ppm ± 5ppm abs. or 5% rel. 45 sec

马杜手持烟气分析仪GA12

4. Other measurements / calculated results

Variable Method Range | resolution Accuracy Time (T90
Tgas – gas temperature K-type thermocouple -10 ÷ 1000°C | 0.1°C ± 2°C 10 sec
Tamb – boiler intake air temperature PT500 resistive sensor -10 ÷ 100°C | 0.1°C ± 2°C 10 sec
Differential pressure silicon piezoresistive pressure sensor -25hPa ÷ +25hPa | 1Pa (0.001hPa) ± 2Pa abs. or 5% rel. 10 sec
Gas flow velocity (optional) Indirect, with Pitot tube & pressure sensor 1 ÷ 50m/s | 0.1m/s 0.3m/s abs. or 5% rel. 10 sec
RH – relative humidity SHT11 capacitive polymer sensor (special probe needed) 5 ÷ 95% | 1% ± 5% abs. 30 sec
Lambda λ – excess air number calculated 1 ÷ 10 | 0.01 ± 5% rel. 10 sec
qA – stack loss calculated 0 ÷ 100% | 0.1% ± 5% rel. 10 sec
Eta η – combustion efficiency calculated 0 ÷ 120% | 0.1% ± 5% rel. 10 sec

Drawings

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