深圳市坤博自动化设备有限公司

SHENZHEN KOBO Automatics CO.,Ltd.

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A2系列数字微差压计

The Series A2 digital differential pressure gauge is a patent pending microprocessor based digital pressure gage for positive, negative, and differential measurement designed to be a direct replacement for mechanical gauges. The Series A2 differential pressure gauges utilize an extremely stable piezoresistive sensing technology to give a standard full scale accuracy of 1%. For applications requiring better accuracy, the A2 is also available with 0.5% or 0.25% accuracy. The A2 digital differential pressure gauge also has an optional 4-20 mA output for applications requiring an output signal. The A2 features a bright ?" LED display and process arch, which gives the gauge improved readability and precision. The A2 digital differential pressure gauges also feature 5 user selectable engineering units including in. w.c., mm w.c., cm w.c., kPa, and Pa. The Series A2 offers an improved look, and performance compare to mechanical gauges.

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Example: A
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Description
Model A   4 ½"  Panel Mount Housing
Display   1   LED display
2 LED display, process arch
3 LED display, process arch, and LCD
4
LED display, process arch, and OLED
6 LED Display, OLED, and 316L SS Cover
Function   0   Indication
1 Control (2) SPDT relays (A3/A4/A6 only)
Transmitter   0   None
1 4-20 mA
Accuracy   0   1%
1 0.50%
2 0.25%
Pressure Range* *All ranges are bi-directional - 00 0 – 0.25" (60 Pa)
- 01 0 – 0.5" (125 Pa)
- 02 0 – 1" (250 Pa)
- 03 0 – 2" (500 Pa)
- 04 0 – 3" (750 Pa)
- 05 0 – 4" (1 kPa)
- 06 0 – 5" (1.25 kPa)
- 07 0 – 8" (2.0 kPa)
- 08 0 – 10" (2.5 kPa)
- 09 0 – 15" (3.75 kPa)
- 10 0 – 20" (5.0 kPa)
- 11 0 – 30" (7.5 kPa)
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12
0 - 40" (10 kPa)
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13
0 - 50" (12.5 kPa)