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OM 45DC

4 ½ DIGIT DC VOLTMETER - AMMETER

Typ OM 45DC is an inexpensive, low built 4 ½ digit panel DC voltmeter - ammeter.
Thanks to their dimensions the instruments are suitable for mosaic panel mounting applications.

  • 4 ½ digit projection
  • range: ±199,99 mV; ±1,9999 V; ±19,999 V; ±199,99 V
    ±199,99 µA; ±1,9999 mA; ±19,999 mA; ±199,99 mA
  • size of DIN 96 x 24 mm
  • power supply 10…24 VDC or 230 VAC

 

Input
DC
Range
±199,99 µA
< 500 mV
Input 1
±1,9999 mA
< 500 mV
Input 1
±19,999 mA
< 500 mV
Input 1
±199,99 mA
< 200 mV
Input 1
±1,9999 V
1 MOhm
Input 1
±19,999 V
1 MOhm
Input 1
±199,99 V
1 MOhm
Input 2
Projection
Display range
±19999, single-coloured 7-segment LED
Display height
14 mm
Display colour
red, green
Decimal point
adjustable by a short-circuit connector
Display brightness
adjustable by a trimmer under the front panel
Settings
Control
The device is designed for simple measurement without further control
The display can be adjusted within the range of ± 10% for both extr. positions by the trimmers under the front panel
Instrument accuracy and functionality
Temperature coefficient
100 ppm/°C
Accuracy
±0,15 % of range + 1 digit
Rate
1,2/2,5/5/10 measur./s
Overload capacity
2x; 10x (t < 30 ms) - not for > 200 V
Calibration
at 25°C and 40 % r.h.
Power supply
Power supply
12…24 VDC/max, 2,3 W, non-isolated
250 VAC/50 Hz, ±10 %, 2,5 VA
Power supply protection
Power supply is protected by a fuse inside the instrument
Mechanical properties
Dimensions
96 x 24 x 100 mm (w x h x d)
Panel cutout
90,5 x 21,5 mm (w x h)
Material
Noryl GFN2 SE1, non-inflammable UL 94 V-I
Operating conditions
Connection
connector terminal board, cable section < 2,5 mm2
Stabilization period
within 15 minutes after switch on
Operating temperature
0°…60°C
Storage temperature
-10°…85°C
Protection class
IP40 (front panel only)
El. safety
EN 61010-1, A2
Dielectric strength
2,5 kVAC within 1 min. between pow. supply and input
Insulation resistance
for polution degree II, measuring cat. III.
AC power supply 670 V (ZI), 300 V (Di)*
DC power supply, input 300 V (ZI), 150 V (Di)*
EMC
EN 61326-1
Images
Dimensions and installation
Connection
To assemble the order, first select the desired instrument configuration.
OM 45DC-???
Power supply
Any
?
Any
?
230 VAC/50 Hz
1
12...24 VDC, non isolated
2
Measuring range
Any
?
Any
?
±1,9999 V
B
±19,999 V
C
±199,99 V
D
±199,99 µand
J
±1,9999 mA
K
±19,999 mA
L
±199,99 mA
M
On request
Z
Display color
Any
?
Any
?
Red
1
Green
2
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