更新时间：2015-07-07
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COMARK--英制便携式差压计可立即显示 8 ~ 11种不同压力单位 精确度 : ±0.2% of full scale 自动归零消除温度效应 具记忆功能：Z大值,Z小值 保留及平均读值 / 选择性自动关机 可量测正. 负及其差压 IP67 防尘防水外壳 测试线出来部分皆无附接头,由客人自行搭配（线径约3mm）
COMARK--英制便携式差压计
参数：
| Scale | 标准防爆 液体 | C9551C9501/IS C9551/SIL | C9553C9503/IS C9553/SIL | C9555C9505/IS C9555/SIL | C9557C9507/IS C9557/SIL | |
| PSI | 范围 | 0 to ±2 | 0 to ±5 | 0 to ±30 | 0 to ±100 | |
| 分辨率 | 0.001 | 0.001 | 0.01 | 0.1 | ||
| mBar | 范围 | 0 to ±140 | 0 to ±350 | o to ±2000 | 0 to ±6900 | |
| 分辨率 | 0.1 | 0.1 | 1 | 1 | ||
| inH2O | 范围 | 0 to ±55 | 0 to ±140 | 0 to ±830 | 0 to ±2750 | |
| 分辨率 | 0.01 | 0.1 | 0.1 | 1 | ||
| inHg | 范围 | 0 to 4 | 0 to ±9.999 | 0 to ±61 | 0 to ±200 | |
| 分辨率 | 0.001 | 0.001 | 0.01 | 0.1 | ||
| Torr | 范围 | 0 to ±99.99 | 0 to ±260 | 0 to ±1500 | 0 to ±5200 | |
| 分辨率 | 0.01 | 0.1 | 1 | 1 | ||
| Pa | 范围 | 0 to ±9999 | ||||
| 分辨率 | 1 | |||||
| KPa | 范围 | 0 to ±35 | 0 to ±200 | 0 to ±690 | ||
| 分辨率 | 0.01 | 0.1 | 0.1 | |||
| mmH2O | 范围 | 0 to ±1400 | 0 to ±3500 | |||
| 分辨率 | 1 | 1 | ||||
| cmH2O | 范围 | 0 to ±2100 | 0 to ±7000 | |||
| 分辨率 | 1 | 1 | ||||
| Kgcm-2 | 范围 | 0 to ±2.1 | 0 to ±7.0 | |||
| 分辨率 | 0.001 | 0.001 | ||||
| zui大超压/压力不足 | 6 PSI/ 400mbar | 15 PSI/ 1000mbar | 90 PSI/ 6200mbar | 200 PSI/ 13700mbar | ||
| 精确度 | ±0.2% of full scale 在+23°C | |||||
| 重复性 | ±0.1% of full scale在 +23°C | |||||
| 平均温度系数读数 | 较好 0.1% per °C | |||||
| 温度操作范围 | 0 到 50°C | |||||
| 湿度 | 10 到 90% RH non-condensing | |||||
| 环境率 | IP67, BS EN 60529, IEC 529 | |||||
| 保护 （IS Models only） | EEx ia IIC T4, BASEEFA Certificate EX 95C2454 | |||||
| 连接 | 1/8″ BSP 内螺纹 | |||||
| 电池 | 9V PP3 6F22 – MN1604 UCAR9V | |||||
| 电池寿命 | 90 小时（MN1604） | |||||
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