詳細介紹
GSTA系列一氧化碳、二氧化氮變送器是用于監(jiān)控地下車庫和裝卸碼頭的氣體濃度。一氧化碳是常用來衡量排氣汽油發(fā)動機,而二氧化氮用于柴油發(fā)動機。字段選擇電壓和電流輸出允許變送器使用幾乎任何建筑管理控制器。一氧化碳的單位,用戶可以選擇輸出范圍是0至200PPM或0至500PPM。二氧化氮單位與標準的0至10ppm范圍。輸出可以反向20-4mA或10(5)- 0VDC,內(nèi)置開關輸出
Sensor: Field replaceable electrochemical, 4 years typical lifespan. Recommend calibration every 6 months.
Range: CO: switch selectable 200 or 500 ppm
Output Drift: <5% per year in air.
Coverage Area: 5000 to 7500 sq ft typical.
Accuracy: CO=2% at the time of calibration.
Resolution: CO=1 ppm
Temperature Range: -4 to 122°F (-20 to 50°C).
Storage Temperature: For best sensor life, 32 to 68°F (0 to 20°C).
Humidity Range: 15 to 90% RH constant; 0 to 99% RH intermittent.
Response Time: <45 seconds to 90% CO
Span and Zero Adjustment: Via pushbutton, using optional A-449 display.
Housing: UV resistant glass filled polycarbonate.
Output: Switch selectable 4 to 20 mA (loop powered), 0 to 5 V @ 5 mA, or 0 to 10 V@ 5 mA;
Switch selectable 0 to 5 V / 1 to 5 V and 0 to 10 V / 2 to 10 V;
Switch selectable normal or reverse output.
Power Supply: Current output=10 to 35 VDC;
Voltage output=15 to 35 VDC or 15 to 29 VAC.
Electrical Connection: Removable terminal block, knocks out for conduit fitting.
Calibration: Via pushbuttons using A-449 auxiliary display. Span gas concentration is field selectable.
| 例如 | GSTA | C | D | GSTA-C-D系列, CO變送器, 管道安裝 |
| 系列 | GSTA |
|
| 氣體變送器 |
| 氣體類型 |
| C |
| CO Carbon Monoxide |
| 選項 |
|
| D | 管道安裝 測量證明 |
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