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| Pneumatic
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| *Output Signal |
0.2-1bar (3-15psig) low pressure
unit; 0.2-8bar (3-120psig) high pressure unit; minimum outlet pressure
less than 140mbar (2psig) |
| *Air Supply |
Oil free, dry air, filtered to 5
microns; at least 0.7bar above maximum output pressure |
| *Flow Capacity |
Up to 300Nl/min (10scfm) |
| *Air Consumption |
0.2 l/min typical (0.007scfm) low
pressure ; 0.4 l/min typical (0.013scfm) high pressure |
| *Response Time |
5 seconds (low pressure unit), 12
seconds (high pressure unit) (from 10 to 90% of output pressure into a
5 litre load) |
| *Total Error |
Max. error +/-0.25% of span (low
pressure), +/-0.5% (high pressure) (typical, independent error includes
the combined effect of non-linearity, hysteresis, deadzone and repeatability
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| *Temperature Effect |
Typically better than 1% span between
-10°C and 60°C |
| *Supply Sensistivity |
Negligible effect |
| *Connections |
1/4" NPT female standard (plus two
integral 1/4" NPT gauge ports); others available on request |
| Physical
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| *Operating Temperature |
-20°C to +70°C |
| *IP Rating |
IP65 |
| *Vibration |
The unit possesses a high degree
of immunity |
| *Electromagnetic Compatibility |
Compliant and CE marked in accordance
with the EC E.M.C. directive. Tested to standards: BS EN50082-2: 1995,
BS EN50081-2: 1994 |
| *Material of Construction |
Zinc diecasting passivated and epoxy
painted, Verton glass/nylon cover; nitrile diaphragms |
| *Mass |
800g |
| *Mounting Position |
Operation in any attitude is possible
without recalibration; integral surface mounting bracket provided for
vertical mounting |
| Electrical
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| *Electrical Signal |
4-20mA (two wire); load presents
6 volts (+/-0.5V) constant voltage drop to the current source |
| *Failure Mode |
Signal held at previous value when
input signal falls below 2mA +/-0.5mA; drift rate 0.02% in 30 seconds
(mid-range) |
| *Connections |
30mm square connector DIN 43650 provided,
mountable in four directions |
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Ordering Information |
| Output Pressure |
Order Code |
| 0.2-1bar |
53AC2100 |
| 0.2-8bar |
53AC2400 |
| 3-15psig |
53AC0100 |
| 3-120psig |
53AC0400 |
| Certification
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| Hazardous area approvals: The 422 is available
with Type NllT6 approval to BS6941 1998 or Type EEx ia llCT4 approval
for intrinsically safe applications.
All instruments are tested on the Watson Smith Automatic Testing System
and an individual test certificate is provided at no extra charge. Each
unit is tested for linearity, hysteresis, total error, settling error,
over pressure, air consumption, response time, calibration, insulation,
start-up current, supply sensitivity and voltage load.
Type 422 Brochure
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We are open Monday to Friday, from 9.30 - 5.30 GMT.
Keison International Ltd. trading as:
Keison Products, VoIPon Solutions & 4Gon
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I/P Converters
Advanced electronic control
