美國(guó)DWYER Mark II M-700Pa差壓表廣泛應(yīng)用于測(cè)量正負(fù)壓差；適用于藥廠、電子廠潔凈廠房的凈壓差測(cè)量,暖通空調(diào)過(guò)濾網(wǎng)壓差的檢測(cè)等
基本參數(shù)：
外型：長(zhǎng)方形塑料外殼，小巧結(jié)實(shí)范圍：0-80mmw.c.,10-0-700Pa等 幾十種范圍規(guī)格**過(guò)壓：100KPa**工作溫度：54°C精度：±3%F.S.O. 尺寸：188.12X150.02X28.58mm
選型表：
| 型號(hào) | 范圍 | 充液 |
| MARK II 25 | 0-3" w.c. | Red Oil, .826 sp gr |
| MARK II 26 | 0-7" w.c. | Blue Oil, 1.91 sp gr |
| MARK II 271 | 0-7000 fpm | Red Oil, .826 sp gr |
| MARK II 281 | 0-10,500 fpm | Blue Oil, 1.91 sp gr |
| MARK II MM-80 | 0-80 mm w.c. | Red Oil, .826 sp gr |
| MARK II MM-180 | 0-180 mm w.c. | Blue Oil, 1.91 sp gr |
| MARK II M-700PA | 10-0-700 Pa | Red Oil, .826 sp gr |
| MARK II 40-1 | .1-0-1.0" w.c. | Red Oil, .826 sp gr |
| MARK II 40-25MM | 0-26 mm w.c. | Red Oil, .826 sp gr |
| MARK II 40-250PA | 10-0-250 Pa | Red Oil, .826 sp gr |
| MARK II 41-2 | .2-0-2.4" w.c. | Blue Oil, 1.91 sp gr |
| MARK II 41-60MM | 0-60 mm w.c. | Blue Oil, 1.91 sp gr |
| MARK II 41-600PA | 20-0-600 Pa | Blue Oil, 1.91 sp gr |
| MARK II 40-1-AV1 | 0-1.1" w.c. & 0-4200 fpm | Red Oil, .826 sp gr |
| MARK II 40-250PA-AV1 | 0-260 Pa & 0-21 mps | Red Oil, .826 sp gr |
| MARK II 41-2-AV1 | 0-2.5" w.c. & 0-6300 fpm | Blue Oil, 1.91 sp gr |
