Guide - Supplemental

FURTHER INFORMATIONS
Input Characteristics
Display Range: NTC: –50.0°C ... +110°C; PTC: –55.0°C ... +140°C
(on display with 3 digit + sign)
Accuracy: Better than 0,5% of full-scale + 1 digit
Resolution: 0,1 °C
Buzzer: YES (it depends from model)
Analogue Input: EW Plus 902/961: 1 NTC input
EW Plus 971/974: 2 NTC inputs
Digital Input: 1 voltage-free digital input
Output Characteristics
Digital Output: EW Plus 902: 1 OUT1 relay: N.O. 8(4)A - N.C. 6(3)A max 250Vac
EW Plus 961: 1 Compressor relay: UL60730 (A) 2Hp (12FLA - 72LRA) max 240Vac or
UL60730 (A) 12(12)A max 250Vac
EW Plus 971: 1 Defrost relay: N.O. 8(4)A - N.C. 6(3)A max 250Vac
1 Compressor relay: UL60730 (A) 2Hp (12FLA - 72LRA) max 240Vac or
UL60730 (A) 12(12)A max 250Vac
EW Plus 974: 1 Defrost relay: N.O. 8(4)A - N.C. 6(3)A max 250Vac
1 Compressor relay: UL60730 (A) 2Hp (12FLA - 72LRA) max 240Vac or
UL60730 (A) 12(12)A max 250Vac
1 Fan relay: 5(2)A max 250Vac
Mechanical Characteristics
Housing: PC+ABS UL94 V-0 resin plastic casing, polycarbonate glass, thermoplastic resin
keysDimensions: front 74x32 mm, depth 59 mm (excluding terminals)
Terminals: screw/removable terminals for cable with a diameter of 2,5mm
2
Connectors: TTL for connection to Copy Card
Humidity: Operating / Storage: 10…90 % RH (not condensing)