產品规格：
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型号
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规格
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GFM400
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GFM410
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GFM420
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GFM430
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一般特点
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红外線甲烷传感器
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●
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●
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●
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●
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LEL
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0-100%
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●
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●
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红外線二氧化碳传感器
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0-100%
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●
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●
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●
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电化学氧气传感器
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0-25%
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●
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●
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●
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●
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大气压力
|
800-1200mbar
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●
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●
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●
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用戶指定气体通道
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●
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●
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●
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靜压
|
±400mbar
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●
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●
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●
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●
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叶轮式风速仪输入
|
0.01-40.0m/s
|
●
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●
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●
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●
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溫度探头输入
|
-10 到100°C
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●
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●
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●
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皮托管介面
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流量
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0.1-6000m3/hr
|
●
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导管直径
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0.1-3000mm
|
●
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流量分辨率
|
0.1m3/hr
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●
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差压
|
±3000Pa
|
●
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地上凿洞﹝低﹞流量测量
|
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流量量程
|
+180/-60 l/hour
|
●
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流量分辨率
|
0.1 l/hour
|
●
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地凿洞压力
|
+3000/-300 Pa﹝典型﹞
|
●
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