作者：德国威卡WIKA带开关的压力表 　来源：德国威卡WIKA带开关的压力表 　日期：2013-4-6 21:06:33　点击：3536　属于：德国威卡WIKA

德国威卡WIKA带开关的压力表
    

    
Differential pressure gauge with switch contacts,
integrated working pressure gauge and micro switch
DELTA-comb Model 702.02.100

Applications

Heating, climatic and ventilating technology
Dust removing technology
Technical building equipment
Filter plants
Drinking and service water treatment
Monitoring and control of pumps in pressure boosting and fire exstinguishing plants
Suitable for all gaseous and liquid media that will not obstruct the pressure system.
 

Special Features

Working pressure gauge integrated as a standard feature enables the central monitoring of differential pressure and working pressure in one measuring instrument
One or two adjustable microswitches respectively
High repeatability of the switchpoints
Differential pressure measuring ranges from 0 … 250 mbar to 0 … 25 bar
High working pressure (static pressure) 25 bar
Overload value either side 25 bar
Solid case construction for protection against external mechanical effects
Integrated pressure equalizing valve as optional extra
Three cast-on mounting brackets for wall mounting
Long service life
Optimal price/performance ratio
Approval German Lloyd No. 40 146-01HH as optional extra

Differential pressure gauge Model 702.02.100
Description

 
Nominal size
Differential pressure gauge:
Ø 100mm
Working pressure gauge:
Ø 23 mm
Accuracy class
Differential pressure gauge: 2.5
Working pressure gauge: 4
Scale ranges
Differential pressure:
0 ... 0.25 to 0 ... 25 bar
Working pressure: 0 ... 25 bar
Working pressure max.
(static pressure) 25 bar

                 • Differential pressure gauge with integrated working
pressure gauge DELTA-plus,
Model 702.01.100 (see data sheet PM 07.15)
• Differential pressure gauge with integrated working
pressure gauge and microswitch with component approval
DELTA-comb, Model 702.03.100 (see data sheet PM 07.19)
• Differential pressure switch DELTA-switch,
Model 851.02.100 (see data sheet PM 07.17)
• Differential pressure transmitter DELTA-trans,
Model 891.34.2189 (see data sheet PM 07.18) 

These differential pressure gauges are particularly intended for the monitoring of differential pressures in filter systems, pumps and pipeline systems in the heating, climatic and ventilating technology sector, technical building equipment and in the water management industry.

Apart from the display of the differential pressure, these applications require, as a rule, the display of the current working pressure. For this reason, a working pressure gauge is integrated in the differential pressure gauge DELTA-comb as a standard feature. An additional measuring point involving additional expenses for piping and mounting is thus no longer required.

 
The white dial of the working pressure gauge distinctly stands out against the blue background of the display of the differential pressure gauge, thus enabling a quick and safe reading of both quantities to be measured.

 The ranges of 0 ... 250 mbar up to 0 ... 25 bar provide the measuring ranges, which are required in the most different applications. The sturdy and compact design of the differential pressure gauge makes it possible to use it even under tough industrial
 
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