4EWTR/HR/PR 910 12/96 ing
the event of ovverrange or underrange of
the system temperature.
It is recommended to doublecheck the
sensor wiring before diagnosing a probe
as defective.
TECHNICAL DATA
Housing: black ABS plastic, autoestin-
guish.
Dimensions: front 72x72 mm
(2.84x2.84"), depth 102 mm (4.00").
Mounting: flush panel mount with mount-
ing bracket. Panel cut-out 67x67 mm
(2.64x2.64").
Connections: quick-disconnect screw
terminal blocks (2.5 mm
2
; one wire each
terminal only).
Display: 12.5 mm LED (0.50").
Push buttons: located on front panel.
Data storage: non-volatile EEPROM
memory.
Operating temperature: –5…65 °C;
(23…149 °F).
Storage temperature: –30…75 °C;
(–22…167 °F).
Output: one (1) SPDT relay 8(3)A 250V
AC, or one (1) “static” (switched) output
0/12 Vdc 40 mA.
Programmable analog output(optional):
4…20 mA or 0…5 V, depending on mod-
el.
Auxiliary output: 12 Vdc/60 mA (for
transducer power supply).
Inputs(depending on model): PTC / RTD
(Ni100, Pt100) / TC (J, K) / 4…20 mA
(Ri=41 Ω) for EWTR 910, EWHS 28/31 for
EWHR 910 and EWPA 007/030 for EWPR
910.
Resolution: 1 °C (°F) or 0.1 °C (°F). The
right-most digit can also be set to read-out
in 0 or 5 only, or in all 10 digits.
Accuracy: better than 0.5% of full scale.
Power supply(depending on model):
12Vac/dc ±15%; 220, 110, 24 Vac ±10%,
50/60 Hz.
Eliwell
via dell’Artigianato, 65
Zona Industriale
32010 Pieve d’Alpago (BL)
Italy
Telephone +39 (0)437 986111
Facsimile +39 (0)437 989066
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