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WIKA · Pressure measurement · Family 700

Differential pressure gauge

With magnetic piston or with magnetic piston and separating diaphragm
Range
0…400 mbar
Accuracy
± 3 % of full scale value
Protection
IP54
EN 10204 2.2EN 10204 3.1
Price
On request
Depends on configuration
Request a quote
+38 (067) 285-77-70·info@avigan.com.uaViberTelegram

Description

The model 700.01 is primarily used for monitoring differential pressures, even at high working pressures, in the gas and air preparation and supply industry.

The model 700.02 version with separating diaphragm is for liquid media and, thus, suitable for the water treatment and supply industries.

The compact and modular design of these differential pressure gauges enables the later exchange of the measuring system and scale range, as well as the retrofitting and adjustment of reed contacts on-site.

For further approvals see page 4

Special features

  • Differential pressure measuring ranges Model 700.01: from 0 ... 400 mbar to 0 ... 10 bar Model 700.02: from 0 ... 160 mbar to 0 ... 2.5 bar
  • Model 700.01: from 0 ... 400 mbar to 0 ... 10 bar
  • Model 700.02: from 0 ... 160 mbar to 0 ... 2.5 bar
  • Compact system case from stainless steel, suitable for high working pressures (static pressures) selectable, 100, 250 or 400 bar (model 700.02 up to a max. 100 bar)
  • Overpressure safe either side to maximum working pressure
  • System and/or case of indication may be changed locally
  • Up to 2 reed contacts may also be adjusted and retrofitted locally
Identification
Model700.01
Product family700
SubcategoryDifferential pressure gauge
Measuring range
Pressure ranges0…400 mbar · 0…10 bar
Accuracy
Accuracy class± 3 % of full scale value
Accuracy standardEN 837-1
Process conditions
Process connection
G ¼ femaleG¼ female, in-lineG 1/4 female, in-lineM20 x 1.5Other on request
Process temperature+10…+100 °C
Electrical characteristics
Switching functionReed contact, adjustable 20...80% of full scale
Switching contacts1
Materials
Case materialStainless steel 1.4571, Aluminium die-casting
Wetted parts materialStainless steel 1.4571, Stainless steel 1.4310, Hard ferrite
Operating environment
Ambient temperature+0…+60 °C
IP ratingIP54
Weight0.22 kg
Certifications and approvals
Certifications
EN 10204 2.2EN 10204 3.1
Additional details
Dial size80 mm
Datasheet languagesEN, DE
Tables from datasheet
Model 700.01Model 700.02
Nominal size80
Indication accuracy± 3 %of full scale value with increasing differ- ential pressure± 5 %of full scale value with increasing differential pressure
Scale ranges0 …400 mbar to 0 …10bar0 …160 mbar to 0 …2.5 bar
Max. working pressure (static pressure)■ 100 bar ■ 250 bar ■ 400 bar■ 50 bar (scale ranges 0 ... 160 mbar and 0 ... 250 mbar) ■ 100 bar
Overload safetyEither side to maximum working pressure
Permissible temperature
Ambient0 ...+60 °C
Medium+100 °C maximum
Ingress protection per IEC/EN 60529lP54
Wetted materials
Measuring chamber with pressure connectionStainless steel 1.4571, 2 x G¼female, on the right and left side, in-line (EN ■ Other pressure connections via female or male threads ■ Lower mount or back mount,⊕ connection left ■ Fine filter integrated into the⊕ connection837-1/7.3)
Pressure elementCompression spring, stainless steel 1.4310
Magnetic pistonPiston: Stainless steel 1.4571, magnet: Hard ferrite
Separating diaphragm-NBR
Model 700.01Model 700.02
Non-wetted materials
DialAluminium, white, lettering: Scale, outside black (bar), inside red (psi)
Pointer■ Aluminium, black ■ Maximum drag pointer
Indicator caseAluminium die-casting, black
WindowClear non-splintering plastic, snap-fitted in case
MountingMounting by means of: ■ Rigid measuring lines ■ Panel mounting flange (only with model 700.01) ■ Instrument mounting bracket for wall mounting
Model 851.3 Model 851.33
Number of contacts1 x change-over contact2 x change-over contacts
SpecificationsContact versions
Switching voltage DC or AC≤ 250V≤ 30V
Switching current≤ 1 A≤ 0.25 A
Maximum switching power60 W/VA3 W/VA
Switch hysteresis≤ 10 %of full scale value≤ 5 %of full scale value
LogoBeschreibungRegion
PAC Kazakhstan Metrology, measurement technologyKazakhstan
-MChS Permission for commissioningKazakhstan
-PAC Ukraine Metrology, measurement technologyUkraine
PAC Uzbekistan Metrology, measurement technologyUzbekistan
-PAC China Metrology, measurement technologyChina
-CRN Safety (e.g. electr. safety, overpressure, ...)Canada
View all (5)
Certificates
Certificates■ 2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, indication accuracy) ■ 3.1 inspection certificate per EN 10204 (e.g. material proof for wetted metal parts, indication accuracy)
Recommended calibration interval1 year (dependent on conditions of use)