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D
C
B
A
5.- GENERAL SPECIFICATIONS
DISPLAY
TYPE . . . . . . . . . . . . . . . . . . . . . . . . . 4 digits, 7 segments, red or
green LED.
HEIGHT DIGIT . . . . . . . . . . . . . . . . . . 57 mm. (2.3") or 100 mm. (4").
RANGE . . . . . . . . . . . . . . . . . . . . . . . -9999 a 9999
POLARITY . . . . . . . . . . . . . . . . . . . . . Minus only (-).
OVERRANGE . . . . . . . . . . . . . . . . . . Display flashing.
DECIMAL POINT . . . . . . . . . . . . . . . . Models M1& M3.
ANALOG-TO-DIGITAL CONVERSION
INPUT CONFIGURATION . . . . . . . . Single ended.
TECHNIQUE . . . . . . . . . . . . . . . . . . . . Dual slope, average value.
POLARITY . . . . . . . . . . . . . . . . . . . . . Automatic, only minus sign.
SIGNAL INTEGRATION PERIOD . . . . 100 ms.
READ RATE . . . . . . . . . . . . . . . . . . . 2.5/s.
OSCILLATOR . . . . . . . . . . . . . . . . . . 400 KHz. quartz crystal.
ENVIRONMENTAL
OPERATING TEMPERATURE . . 0 to +50 ºC (32 to 122 ºF).
STORAGE TEMPERATURE . . . . -20 to +85 º C (-4 to 185 ºF).
RELATIVE HUMIDITY . . . . . . . . 0 to 85 % not condensed.
PROTECTION . . . . . . . . . . . . . . . IP65. (Front part only).
MECHANICAL
DIMENSIONS . . . . . . . . . . . . . . . See table in page 11.
PANEL CUT OUT . . . . . . . . . . . . See table in page 11.
DEPTH . . . . . . . . . . . . . . . . . . . . See table in page 11.
WEIGHT . . . . . . . . . . . . . . . . . . . See table in page 11.
CASE MATERIAL . . . . . . . . . . . Aluminium extruded.
FINISHED . . . . . . . . . . . . . . . . . . Anodized, black colour.
ELECTRICAL
STANDARD POWER SUPPLY . 115 Vac. ±10% 50 / 60 Hz.
(Optionally 230 Vac)
POWER CONSUMPTION . . . . . . See table in page 11.
6.- FRONT VIEW, for both series
Decimal point.
Model M1 & M3
Polarity
indicator
7.- REAR VIEW, for both series
Attaching screws
Signal input
connector
Power Supply
Vac + Earth, fuse and
spare fuse.