Air supply
nom. 140 kPa (1.4 bar, 20 psi); min. 125 kPa (1.25 bar,
18 psi); max. 175 kPa (1.75 bar, 25 psi)
Output signal
20 to 100 kPa, 0.2 to 1 bar, 3 to 15 psi or 0.2 to 1 kg/cm2
Static air consumption
350 Nl/h
Maximum output flow
- with rising output pressure: 30 Nl/min.
- with falling output pressure: 40 Nl/min.
Accuracy
± 0.5% F.S.D. (typical)
Thermal drift (for ambient temperature variation between
- 20° C and + 65° C)
•with 2in diaphragm
span 30 to 80 kPa (300 to 800 mbar): 0.5%/10°C
span 80 to 170 kPa (800 to 1700 mbar): 0.2%/10°C
•with 3in diaphragm
span 5 to 10 kPa (50 to 100 mbar): 0.6%/10°C
span 10 to 52 kPa (100 to 520 mbar): 0.2%/10°C
Static pressure effect :
for variation of 3.3 MPa (33 bar): ≤ ± 0.25%
Maximum displacement
- with 2in diaphragm: 1 cm3
- with 3in diaphragm: 1.5 cm3
Degree of protection in accordance with IEC 529
IP55
Ambient temperature limits
-40 and + 120°C
Bodies material
Carbon steel, Monel, AISI 316 L, Hastelloy C
Body bolts and nuts material
High tensile carbon steel;
AISI 316 Class A4-70 per ISO 3506;
AISI 316 Class A4-50 (*) per ISO 3506, in compliance
with NACE MR0175
high tensile stainless steel, in compliance with NACE
MR0175
(*) Maximum static pressure reduced to 7.5 MPa (75 bar)
Cover material
thermoplastic resin
Diaphragm material
AISI 316 L, Monel (*), Hastelloy C, Tantalum (**)
(*) Maximum overrange pressure reduced to 5 MPa (50 bar)
(**) Maximum overrange pressure reduced to 1 MPa (10 bar)
Gaskets material
PTFE, Viton
Capsule filling
Silicone oil, Perfluorinated polyethers (Galden) (*)
(*) When used for oxygen measurements the operating
temperature limits are -20°C and + 40°C.
Surface protections
- carbon steel body and flange: zinc plating and chrome
- passivation AISI 316 body and flange: no protection
Process connections (see figure ref. D and E)
- on flanges: 1/2 in NPT-F
- on adapters: 1/4 in NPT-F
- center distance: 54 mm.
Pneumatic connections
- Air supply (in figure ref. A): 1/4 in NPT-F
- Output (in figure ref. B): 1/4 in NPT-F
Pressure gauge
Brass with stainless steel case (all stainless steel on request)
external diameter 51 mm; 0-200 kPa, 0-2 bar and 0-30 psi
indication on 82 mm/260° scale.
SPAN
LIMITS
min. and max.
MAXIMUM
ZERO
ELEVATION
STATIC PRESSURE
LIMITS
Full vacuum and
30 and 170 kPa
300 and 1700 mbar
5 and 52 kPa
50 and 520 mbar
2.5 and 7.5 kPa
25 and 75 mbar
140 kPa
1400 mbar
47 kPa
470 mbar
49.5 kPa
495 mbar
170 kPa
1700 mbar
52 kPa
520 mbar
52 kPa
520 mbar
10 MPa (•)
100 bar (•)
(•) Equal to Maximum Working pressure as well as Overrange Limit (on either side).
MEASURING
CAPSULE
(DIAPHRAGM DIA.)
2 in
3 in
3 in with special
feedback bellows
-170 and + 170 kPa
-1700 and +1700 mbar
-52 and +52 kPa
-520 and +520 mbar
-52 and +52 kPa
-520 and +520 mbar
MAXIMUM
ZERO
SUPPRESSION (S)
RANGE
LIMITS
(lower and upper)
SPECIFICATIONS
The data were obtained from laboratory tests on standard instruments with:
carbon steel or AISI 316L bodies; AISI 316L measuring element with silicone oil filling; gasket: PTFE;
calibration span: 18 kPa - 180 mbar (for 3in diaphragm), 70 kPa - 700 mbar (for 2in diaphragm)