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| Multifunctional Electro Pneumatic Converter TYPE 440 Features Type 440 electro-pneumatic converters combine high precision pneumatic performance with input signal versatility for use with computer and microprocessor based control systems. The type 440 converter accepts a 4-20mA standard control signal or voltage equivalents. Standard additional features includes 4-20mA feedback, signal failure indication and selection of failure mode. These converters are intended for applications in which |
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High precision
| Physical | ||
| *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) |
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| *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 |
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| *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 |
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| *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) | |
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| Ordering Information | |
| Output Pressure | Order Code |
| 3-15psig | 53870100R |
| 0.2-1bar | 53872100R |
| 0-100psig | 53871600R |
| 0-7bar | 53873600R |
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Electronic I/P Converters |
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