| PYSICAL |
| *Casing |
Diecast zinc alloy, black stove enamel finish |
| *Mounting |
Upright, integral mounting bracket (although other mounting orientations are acceptable without recalibration) |
| *Pneumatic connections |
1/4” NPT |
| *Electrical connections |
Via cable glands to Klippon terminal block |
| *Controls |
Trimpots - Span, zero (control and
feedback), response rate
Switches - Signal freeze or instrument
drives down scale, input signal
selection
Relay - Power/signal (isolated contact
pair in relay, NC if signal and power
supply present - contact rating - 50VA) |
| *Weight |
2.5Kg |
| *IP. Rating |
IP65 |
*Temperature Stability
(span/zero) |
-5°C to +45°C ±0.03%/°C FS change
-10°C to +60°C ±0.05%/°C FS change |
*Electromagnetic
Compatibility |
Compliant with the requirements of the EMC directive, assessed against. BS EN50082-2: 1995,BS EN50081-2: 1994. £±4% FS susceptibility observed under all test conditions when screened cable is used connected both at source and instrument ends. CE marked. |
| *Note: |
Instrument performance is guaranteed within the band 5 to 95% of range. Performance variations may exist outside this range. |
| ACCURACY |
| *Output Signal |
3bar (0.2psig); minimum outlet pressure. Maximum; less than 7bar (100psig) |
| *Air Supply |
Up to 100psig (7bar);with optional filter regulator-150psig (10bar). Dry, non corrosive air filtered to 5microns |
| *Flow Capacity |
Up to 280Nl/min |
| *Air Consumption |
Low pressure - 0.2l/min typical
High pressure - 0.4l/min typical |
| *Response Time |
5 seconds (from 10 to 90% of output pressure) |
| *Linearity |
± 0.5% FS |
| *Total Error |
±0.5% of span typical, independent error (includes combined effect of hysteresis, deadzone and repeatability) |
| *Stability (6 months) |
0.25%(span/zero) |
| *Failfreeze stability |
<±-2% setpoint/hour |
| ELECTRICAL
|
| *Supply Voltage |
4-20mA (two wire); |
| *Input Signal |
230Ohm |
*Input Common Mode
Voltage Limit(see note 2) |
0 to +5V max (control I/p -ve to supply -ve) |
| *Input impedance |
4-20mA 250W; 1-5V, 2-10V 10kW |
| *Feedback Signal |
4-20mA (o/p voltage 12V max) |
| *Note 1: |
Voltage feedback obtainable via load resistor. 1 to 5V - 250W , 2 to 10V - 500W |
| *Note 2: |
The electronic circuit is designed to eliminate the common-mode voltage error which can occur due to resistance of long cables (max. resistance 250W) |