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EWTQ

EWTQ 995

GENERAL SPECIFICATIONS
Case: Polycarbonate dark grey color (RAL 7043);
self-extinguishing degree: V-0 according to UL 94.
Front protection - designed and tested for IP 65 (*)
and NEMA 4X (*) for indoor locations (when panel
gasket is installed).
(*) Test were performed in accordance with
CEI 70-1 and NEMA 250-1991 STD.
Installation: panel mounting.
Rear terminal block: 15 screw terminals ( screw
M3, for cables from f 0.25 to f 2.5 mm 2 or from
AWG 22 to AWG 14 ) with connections diagram
and safety rear cover.
Dimensions: DIN 43700 48 x 48 mm, depth 122
mm.
Weight: 250 g.
Power supply:
- 100V to 240V AC 50/60Hz (-15% to + 10% of
the nominal value).
- 24 V AC/DC (+ 10 % of the nominal value).
Power consumption: 8 VA max.
Insulation voltage: 2600 V rms according to IEC
1010-1.
Display updating time: 500 ms.
Sampling time: 250 ms for linear inputs
500 ms for TC and RTD inputs.
Resolution: 30000 counts.
Accuracy: + 0,2% f.s.v.. + 1 digit @ 25 °C
ambient temperature.
Common mode rejection: 120 dB @ 50/60 Hz.
Normal mode rejection: 60 dB @ 50/60 Hz.
Electromagnetic compatibility and safety
requirements: This instrument is marked CE.
Therefore, it is conforming to council directives
89/336/EEC (reference harmonized standard
EN 50081-2 and EN 50082-2) and to council
directives 73/23/EEC and 93/68/EEC (reference
harmonized standard EN 61010-1).
Installation category: II
Temperature drift: (CJ excluded)
< 200 ppm/°C of span for mV and TC ranges 1, 3, 5,
6, 19, 20, 21, 22.
< 300 ppm/°C of span for mA/V
< 400 ppm/°C of span for RTD range 10, 26 and
TC range 0, 2, 4, 27, 28.
< 500 ppm/°C of span for RTD range 9 and
TC ranges 7,8, 23, 24.
< 800 ppm/°C of span for RTD range 25.
Operative temperature: from 0 to 50 °C (+32 to
122 °F).
Storage temperature: -20 to +70 °C (-4 to 158
°F)
Humidity: from 20 % to 85% RH, non condensing.
Protections:
1) WATCH DOG circuit for automatic restart.
2) DIP SWITCH for protection against tampering
of configuration and calibration parameters.


Brochures:      


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