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Controllers
Eliwell EW4820 - EW4821 - EW4822 - EW4820 - EW4821 - EW4822
Eliwell thermoregulators in the Universal Controller series are ideal for all industrial applications requiring high precision temperature control, including the moulding of plastic materials, packaging and process control in the transformation of raw materials.
| Technical Specification | |||
|---|---|---|---|
| Specification | EW 4820 | EW 4821 | EW 4822 |
| Measurement Range | According to probe used | According to probe used | According to probe used |
| Display | No decimal point * 2 x 4 digits + sign | No decimal point * 2 x 4 digits + sign | No decimal point * 2 x 4 digits + sign |
| Resolution | According to probe used | According to probe used | According to probe used |
| Accuracy | According to probe used | According to probe used | According to probe used |
| Power | 12/24 V ~ , 12/36 V~ ±10% 50/60 Hz or 95 - 240V a ±10% 50/60 Hz | 12/24 V ~ , 12/36 V~ ±10% 50/60 Hz or 95 - 240V a ±10% 50/60 Hz | 12/24 V ~ , 12/36 V~ ±10% 50/60 Hz or 95 - 240V a ±10% 50/60 Hz |
| Analogue Inputs | 1 input (phone for options) | 1 input (phone for options) | 1 input (phone for options) |
| Digital Outputs | 1 SPDT 3A 250V~ + or 1 SPST 2A 250V ~ | 1 SPDT 3A 250V~ + or 1 SPST 2A 250V ~ | 1 SPDT 3A 250V~ + or 1 SPST 2A 250V ~ |
| Digital inputs | Not available | 1 clean contact at safety extra low voltage | 1 clean contact at safety extra low voltage |
| Dimensions | 48 x 48 mm, depth 113 mm | 48 x 48 mm, depth 113 mm | 48 x 48 mm, depth 113 mm |
| Serial Ports | TTL for connection to Copy Card | TTL for connection to Copy Card | TTL for connection to Copy Card + RS-485 connection |
| Casing | plastic body in resin type PC+ABS UL94 V-0, inspection window in polycarbonate, buttons in thermoplastic resin | plastic body in resin type PC+ABS UL94 V-0, inspection window in polycarbonate, buttons in thermoplastic resin | plastic body in resin type PC+ABS UL94 V-0, inspection window in polycarbonate, buttons in thermoplastic resin |
| IP Rating | IP65 (Front Panel) | IP65 (Front Panel) | IP65 (Front Panel) |