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WIKA · Pressure measurement · Family 612_34_632_34_633_34

Capsule pressure gauge, copper alloy or stainless steel

Process Gauge, safety version per ASME B40.100
Price
On request
Depends on configuration
Request a quote
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Description

The models 612.34, 613.34, 632.34 and 633.34 are high-quality capsule pressure gauges and have been designed especially for increased safety requirements within the process industry.

The robust, glass-fibre reinforced plastic case offers the necessary stability for reproducible measurements, even under aggressive ambient conditions.

The capsule element measurement principle is suitable for very low pressures. On pressurisation, the expansion of the capsule element, proportional to the incident pressure, is transmitted to the movement and indicated.

Special features

  • Safety version with solid baffle wall designed in compliance with the requirements and test conditions of ASME B 40.100
  • Low scale ranges from 0 ... 25 mbar to 0 ... 600 mbar or 0 ... 6 inH 2 O to 0 ... 150 inH 2 O
  • Nominal size 4 ½" [115 mm]
  • Robust, glass-fibre reinforced plastic case
  • QR code on dial links to instrument-specific information (only with models 632.34 and 633.34)
Specifications are being prepared — full datasheet available on request.
Tables from datasheet
Basic information
StandardASME B40.100
→ For information on the 'Selection, installation, handling and operation of pressure gauges', see technical information IN 00.05.
Further version■ Oil- and grease-free for oxygen ■ Per NACE 1) 2) MR0175 / ISO 15156, use in H₂S-containing environments in oil and gas production ■ For oxygen, cleanliness per ASME B40.1 level IV
Nominal size (NS)Ø4½"[115 mm]
Connection locationLower mount (radial)
Window■ Acrylic glass ■ Instrument glass ■ Laminated safety glass
Case
DesignWith solid baffle wall (Solidfront) and blow-out back, surface mounting flange (integrat - ed into case)
MaterialPBT thermoplastic, glass-fibre reinforced, black
RingThreaded bezel, PBT thermoplastic, glass-fibre reinforced, black
Mounting■ Surface mounting flange (integrated into case) ■ Adapter kit for panel mounting incl. front bezel from polished stainless steel
Case filling (models 613.34, 633.34)■ Without ■ Silicone oil M50, only for scale range ≥ 0 ... 100 mbar [0 ... 40 inH 2 O]
Movement■ Copper alloy ■ Stainless steel
Measuring element
Type of measuring elementCapsule element
Material (wetted)
Capsule elementModels 612.34, 613.34Copper alloy
Models 632.34, 633.34Stainless steel 316L
SealingModels 612.34, 613.34NBR
Models 632.34, 633.34FPM/FKM
Process connectionModels 612.34, 613.34Copper alloy
Models 632.34, 633.34Stainless steel 316L
Leak tightness■ Leakage rate: < 1∙10 -3 mbar l/s
Accuracy specifications
Accuracy class
ASME B40.100±2 %│±1%│±2%ofmeasuring span (grade A)
EN 837-3Class 1.6
Zero point setting with adjustable pointerIn front, after opening the threaded bezel
Temperature errorOn deviation from the reference conditions at the measuring system: ≤ ±0.6 %per 10 °C [≤ ±0.6 %per 18 °F] of full scale value
Reference conditions
Ambient temperature+20 °C [+68 °F]
mbar
0 ... 250 ... 160
0 ... 400 ... 250
0 ... 600 ... 400
0 ... 1000 ... 600
View all (20)
kPa
0 ... 2.50 ... 16
0 ... 40 ... 25
0 ... 60 ... 40
0 ... 100 ... 60
psi0 ... 2.5
0 ... 0.36
0 ... 0.60 ... 3.6
0 ... 1.00 ... 6.0
0 ... 1.50 ... 10
inH 2 O
0 ...100 ... 60
0 ... 160 ... 100
0 ... 240 ... 160
0 ... 400 ... 240
mbar
-25…0-12.5 ... +12.5
-40…0-20 ...+20
-60…0-30 ...+30
-100…0-50 ...+50
-160…0-80 ...+80
-250…0-125 ...+125
-400…0-200 ...+200
-600 ... 0-300 ...+300
kPa
-2.5…0-1.25 ... +1.25
-4…0-2 ...+2
-6…0-3 ...+3
-10…0-5 ...+5
-16…0-8 ...+8
-25…0-12.5 ... +12.5
-40…0-20 ...+20
-60 ... 0-30 ...+30
kg/cm 2
0 ... 0.0250 ... 0.16
0 ... 0.040 ... 0.25
0 ... 0.060 ... 0.4
0 ... 0.10 ... 0.6
Pa
0 ... 2,5000 ... 16,000
0 ... 4,0000 ... 25,000
0 ... 6,0000 ... 40,000
0 ... 10,0000 ... 60,000
mmH 2 O
0 ... 2500 ... 1,600
0 ... 4000 ... 2,500
0 ... 6000 ... 4,000
0 ... 1,0000 ... 6,000
oz/in 2
0 ... 60 ... 40
0 ... 100 ... 60
0 ... 150 ... 100
0 ... 250 ... 150
kg/cm 2-0.0125 ... +0.0125
-0.025…0
-0.06…0-0.03 ... +0.03
-0.1…0-0.05 ... +0.05
-0.16…0-0.08 ... +0.08
-0.25…0-0.125 ... +0.125
-0.4…0-0.2 ... +0.2
-0.6 ... 0-0.3 ... +0.3
Pa
-2,500…0-1,250 ... +1,250
-4,000…0-2,000 ... +2,000
-6,000…0-3,000 ... +3,000
-10,000…0-5,000 ... +5,000
-16,000…0-8,000 ... +8,000
-25,000…0-12,500 ... +12,500
-40,000…0-20,000 ... +20,000
-60,000 ... 0-30,000 ... +30,000
psi
-0.36 ... 0-0.18 ... +0.18
-0.6 ... 0-0.3 ... +0.3
-1 ... 0-0.5 ... +0.5
-1.5 ... 0-0.75 ... +0.75
-2.5 ... 0-1.25 ... +1.25
-3.6 ... 0-1.8 ... +1.8
-6 ... 0-3 ...+3
-10 ... 0-5 ...+5
inH 2 O
-10 ... 0-5 ...+5
-16 ... 0-8 ...+8
-24 ... 0-12 …+12
-40 ... 0-20 ...+20
-60 ... 0-30 ...+30
-100 ... 0-50 ...+50
-160 ... 0-80 ...+80
-240 ... 0-120 ...+120
mmH 2 O
-250...0-125 ...+125
-400 ... 0-200 ...+200
-600 ... 0-300 ...+300
-1,000 ... 0-500 ...+500
-1,600 ... 0-800 ...+800
-2,500 ... 0-1,250 ... +1,250
-4,000 ... 0-2,000 ... +2,000
-6,000 ... 0-3,000 ...+3000
oz/in 2
-6…0-3 ...+3
-10…0-5 ...+5
-15…0-7.5 ... +7.5
-25…0-12.5 ... +12.5
-40…0-20 ...+20
-60…0-30 ...+30
-100…0-50 ...+50
-150…0-75 ...+75
Further details on: scale ranges
Unit■ mbar ■ kg/cm² ■ kPa ■ Pa■ psi ■ mmH 2 O ■ inH 2 O ■ oz/in 2
Overpressure safety
Scale range < 0 ... 40 mbar [0 ... 16 inH 2 O]■ Without ■ 3 x full scale value
Scale range ≥ 0 ... 40 mbar [0 ... 16 inH 2 O]■ Without ■ 10 x full scale value
Vacuum safety
Scale range < 0 ... 40 mbar [0 ... 16 inH 2 O]■ Without ■ 3 x full scale value
Scale range ≥ 0 ... 40 mbar [0 ... 16 inH 2 O]■ Without ■ 10 x full scale value
Dial
Scale layout■ Single scale ■ Dual scale
Scale colourSingle scaleBlack
Dual scaleBlack/red
Serial numberConsecutive number * ... *
MaterialAluminium
Special scale→ Other scales or customer-specific dials, e.g. with red mark, circular arcs or circular sectors, on request
Pointer
Instrument pointerAdjustable pointer, aluminium, black
Pointer stop pinAt 6 o&#x27;clock