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testo 312-2技术指标 | ||||
探头类型(测量值) | 压力传感器1(压力) | 压力传感器2(压力) | 压力传感器1(压力) | 压力传感器2(压力) |
量程 | -16.0~16.0 inH2O | -80.0~80.0 inH2O | -40.0~40.0 inH2O | -200.0~200.0 inH2O |
精度 | ±0.01 inH2O (0.0~1.0 inH2O) ±1.5% 测量值 (1.0~16.0 inH2O) | ±0.2 inH2O (0.0~20.0 inH2O) ±0.8 inH2O (20.0~80.0 inH2O) | ±0.03 hPa (0.0~3.0 hPa) ±1.5% 测量值 (3.0~40.0 hPa) | ±0.5 hPa (0.0~50.0 hPa) ±2.0 hPa (50.0~200.0 hPa) |
过载 | ±400.0 inH2O (-16.0~16.0 inH2O) | ±400.0 inH2O (-80.0~80.0 inH2O) | ±1000.0 hPa (-40.0~40.0 hPa) | ±1000.0 hPa (-200.0~200.0 hPa) |
分辨率 | ±0.01 inH2O (-16.0~16.0 inH2O) | ±0.1 inH2O (-80.0~80.0 inH2O) | ±0.01 hPa (-40.0~40.0 hPa) | ±0.1 hPa (-200.0~200.0 hPa) |
存放温度 | -20~+70℃ | |||
工作温度 | 5~+45℃ | |||
电池类型 | 9V 块状电池 | |||
重量 | 300.0 g | |||
尺寸 | 68.0 x 215.0 x 47.0 mm |
testo 312-3 技术指标 | ||||||
探头类型(测量值) | 压力传感器1(压力) | 压力传感器2(压力) | 压力传感器1(压力) | 压力传感器2(压力) | 压力传感器1(压力) | 压力传感器2(压力) |
量程 | -120.0~120.0 inH2O | -6000.0~6000.0 mbar | -300.0~300.0 mbar | -2400.0~2400.0 inH2O | -300.0~300.0 hPa | -6000.0~6000.0 hPa |
精度 | ±0.2 inH2O (0.0~20.0 inH2O) ±0.8 inH2O (20.0~120.0 inH2O) | ±4.0 mbar (0.0~400.0 mbar) ±2.0% 测量值 (400.0~2000.0 mbar) ±4.0% 测量值 (2000.0~6000.0 mbar) | ±0.5 mbar (0.0~50.0 mbar) ±1.5 mbar (50.0~300.0 mbar) | ±2.0 inH2O (0.0~160.0 inH2O) ±2.0% 测量值 (160.0~800.0 inH2O) ±4.0% 测量值 (800.0~2400.0 inH2O) | ±0.5 hPa (0.0~50.0 hPa) ±1.5 hPa (50.0~300.0 hPa) | ±4.0 hPa (0.0~400.0 hPa) ±2.0% 测量值 (400.0~2000.0 hPa) ±4.0% 测量值 (2000.0~6000.0 hPa) |
过载 | ±3200.0 inH2O (-120.0~120.0 inH2O) | ±8000.0 mbar (-6000.0~6000.0 mbar) | ±8000.0 mbar (-300.0~300.0 mbar) | ±3200.0 inH2O (-2400.0~2400.0 inH2O) | ±8000.0 hPa (-300.0~300.0 hPa) | ±8000.0 hPa (-6000.0~6000.0 hPa) |
分辨率 | ±0.1 inH2O (-120.0~120.0 inH2O) | ±1.0 mbar (-6000.0~6000.0 mbar) | ±0.1 mbar (-300.0~300.0 mbar) | ±1.0 inH2O (-2400.0~2400.0 inH2O) | ±0.1 hPa (-300.0~300.0 hPa) | ±1.0 hPa (-6000.0~6000.0 hPa) |
操作温度 | 5~+45℃ | |||||
电池类型 | 9V 块状电池 | |||||
重量 | 300.0 g | |||||
尺寸 | 68.0 x 215.0 x 47.0 mm |