Datasheet

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2012-10-30 Design and specications subject to change without notice
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Data sheet A21.22
MEX2 - MEX3 - MEM3
Industrial Pressure Gauges
Main Features
Applications

For corrosive gasses and
liquids

Class 1.6 according to EN 837-1

Wetted parts Stainless steel
(MEX) or Monel (MEM)

Lloyd`s Register approval

Option:liquid-lledforap-
plications with pulsations or
vibrations

Option : case material 1.4404
(316L)foraggressiveatmos-
phere

Food & Beverage

Laboratory & Medical

Oil & Gas / Chemical

Water & Waste water

Energy

Transportation & Logistics

Machinery
Technical Data
Nominal size MEX2 : 50 mm
MEX3/MEM3 : 63 mm
Measurement range MEX2/MEX3 : -1 ... 0 to 0 ... 1000 bar
MEM3 : -1 ... 0.6 to 0 ... 400 bar
Pressure limitation Steady: 75%offullscalevalue
Fluctuating: 65%offullscalevalue
Shorttime: 100%offullscalevalue
Accuracy Class 1.6 (according EN837-1)
Protection rating IP 65 (EN 60529)
Process Connection
MEX : Stainless steel 1.4404 (AISI 316L)
MEM : Monel 400
Bourdon tube
MEX : Stainless steel 1.4404 (AISI 316L)
MEM : Monel 400
Case Stainless steel 1.4301 (AISI 304)
Option : stainless steel 1.4404 (AISI 316L)
Options
ATEX II2GDc-IM2c
(Including window laminated safety glass)
Code 0078
Adjustablefrictionpointer
Code 0679
Windowlaminatedsafetyglass Code 0751
Window polycarbonate
Code 0753
Restrictor screw
Ø 0.3 Code 0769
Lloyd’s Register approval Code 0827
Accuracy class 1 (1.6 bar < P < 1000 bar) Code 0841
To be ordered separately
Materialcerticate3.1EN10204 Code Q1229
CalibrationcerticateEN837-1
(5pointsraisingand5pointsfalling)
Code Q1070
Bezel ring Stainless steel 1.4301 (AISI 304)
Option : stainless steel 1.4404 (AISI 316L)
Movement Stainless steel
Window Instrument glass
Window gasket Elastomer
Dial Aluminium, white
Pointer Plastic, black
Temperature Ambient : -20 ... +70°C
Medium: -40...+200°C(notlled)
Forliquidlledversionseeorderingdetails.
The case temperature must not exceed +70°C
Storage : -40 ... +70°C
Thermaldrift ±0.4%F.S./10K(reference:20°C)
Safety S1 according EN837-1
(withwindowpolycarbonateorlaminatedsafety
glass)