| 详细介绍：
德图testo 521-1差压仪testo 521-1
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testo 521-1差压仪, 0 ~ 100hPa,包括电池和标定证书
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testo 521-1压力仪，适用于测量差压，如过滤器内压力下降、检测风扇或抽力设备。通过内置压力传感器，用皮托管测量5～100 m/s 风速。外接100 Pa探头可测量1～12 m/s风速量程。并直接计算风量及多点/计时均值计算。
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优点一览
· 2个额外探头插孔，用于连接压力、温度或电压/电流探头
· 以0.04秒为测量周期测量动态压力
· 通过皮托管计算风量
· 2个精度等级: 满量程的0.2 %和0.1 %
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技术数据 - testo 521-1
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存储温度
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-20.0...70.0 °C
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操作温度
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0.0...50.0 °C
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电池类型
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9V 块状电池
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电池寿命
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30.0 h
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重量
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300.00 g
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规格 (LxWxH)
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68.0 x 50.0 x 219.0 mm
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探头类型(测量值)
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量程
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压敏电阻传感器
(压力)
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0.0 ... 100.0 hPa
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精度
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+/-0.2% of f.v. (0.0 ... 100.0 hPa)
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过载
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+/-300.0 hPa (0.0 ... 100.0 hPa)
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分辨率
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+/-0.0010 hPa (0.0 ... 100.0 hPa)
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压敏电阻传感器
(压力)
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0.0 ... 2000.0 hPa
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精度
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+/-0.1% 测量值 (0.0 ... 2000.0 hPa)
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K型(NiCr-Ni)
(温度)
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-200.0 ... 1370.0 °C
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精度
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+/-1.0 °C (-200.0 ... -100.0 °C)
+/-0.4 °C (-100.0 ... 200.0 °C)
+/-1.0 °C (200.0 ... 1370.0 °C)
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分辨率
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+/-0.1 °C (-200.0 ... 1370.0 °C)
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电压测量
(电压 1)
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0.0 ... 10.0 V
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精度
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+/-0.1% of f.v. (0.0 ... 10.0 V)
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分辨率
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+/-0.01 V (0.0 ... 10.0 V)
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电流/电压测量
(电流 1)
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0.0 ... 20.0 mA
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精度
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+/-0.04 mA (0.0 ... 20.0 mA)
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分辨率
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+/-0.01 mA (0.0 ... 20.0 mA)
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The company testo 521-1 testo 521-1 differential pressure instrument
Testo 521-1 differential pressure meter, 0 ~ 100hPa,including battery and calibration
Testo 521-1 pressure meter, is suitable for the measurement of differential pressure, such as filterpressure drop, detecting the fan or suction device.Through the built-in pressure sensor, using Pitot tubemeasurement of 5 ~ 100 m/s wind speed. External 100Pa probe can measure wind speed range of 1 ~ 12 m/s.And calculation of air volume and multi point / time mean calculation.
The advantages of
· 2 additional probe insertion, used to connect thepressure, temperature or voltage / current probe
In 0.04 seconds for the measurement of dynamic pressure measurement period
The pitot tube air volume calculation
· 2 accuracy class: the full range of 0.2% and 0.1%
Technical data - testo 521-1
Storage temperature
70 ° C -20.0..
Operating temperature
0... 50 ° C
Battery type
Bulk 9V battery
Battery life
30 h
Weight
300 g
Specification (LxWxH)
68 x 50 x 219 mm
The probe type (measurements)
Range
Pressure sensitive resistance sensor
(pressure)
100 hPa 0..
Precision
+/-0.2% of f.v. (0... 100 hPa)
Overload
+/-300.0 hPa (0... 100 hPa)
Resolution
+/-0.0010 hPa (0... 100 hPa)
Pressure sensitive resistance sensor
(pressure)
2000 hPa 0..
Precision
The +/-0.1% measurements (0... 2000 hPa)
K (NiCr-Ni)
(temperature)
1370 ° C -200.0..
Precision
+/-1.0 ° C (-200.0... -100.0 ° C)
+/-0.4 ° C (200 ° C -100.0...)
+/-1.0 ° C (1370 ° C 200...)
Resolution
+/-0.1 ° C (1370 ° C -200.0...)
Voltage measurement
(VOLTAGE 1)
10 V 0..
Precision
+/-0.1% of f.v. (0... 10 V)
Resolution
+/-0.01 V (0... 10 V)
Current / voltage measurement
(current 1)
20 mA 0..
Precision
+/-0.04 mA (0... 20 mA)
Resolution
+/-0.01 mA (0... 20 mA)
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