PTB220（A级）数字气压表

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公司名称：成都中宇仪器有限公司

所在地：北京通州

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产品简介

数字气压表 型号:PTB220（A级）

产品详细信息

数字气压表

型号:PTB220（A级）

For measurements in a wide environmental pressure ａnd temperature range
High accuracy - class A barometers have a total accuracy of ±0.15 hPa ａnd class B barometers ±0.25 hPa
Optional display can simultaneously show the barometric pressure, the three-hour pressure trend ａnd the WMO pressure tendency code
Available with an analog output option
Ideal for use e.g. ship barometer, transfer standard or replacement for mercury barometers

Barometric pressure measurement

Measurement range

Accuracy at +20 °C
500 ... 1100 hPa
Class A
Class B
50 ... 1100 hPa

Temperature dependence
500 ... 1100 hPa
50 ... 1100 hPa

Total accuracy
-40 ... +60 °C （-40 ...+140 °F）
500 ... 1100 hPa
Class A
Class B
50 ... 1100 hPa

Long-term stability
500 ... 1100 hPa
50 ... 1100 hPa
Sensor
50 ... 1100 hPa or 500 ... 1100 hPa

±0.10 hPa
±0.20 hPa
±0.30 hPa

±0.1 hPa
±0.3 hPa

±0.15 hPa
±0.25 hPa
±0.45 hPa

±0.1 hPa / year
±0.2 hPa / year
Vaisala BAROCAP®

Operating environment

Temperature
with display
Relative humidity
-40 ... +60 °C （-40 ... +140 °F）
0 ... +60 °C （+32 ... +140 °F）
0 ... 100 %RH non-condensing

Inputs ａnd outputs

Operating voltage
Outputs
10 ... 30 VDC
RS-232C, RS-485, optional analog module 0 ... 5 VDC,
4 ... 20 mA

For complete specifications, please see the brochure or user guide in "Product Documentation".