Orbit Merret

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OM 402UNI
OM 402UNI

OM 402UNI

The OM 402 model series is a 4 digit programmable versatile panel instrument. It is based on a fast single chip microcontroller with a multichannel 24bit sigma-delta converter. The instrument comes with 8 various input options which are easily configurable in the instrument's menu.

Technical data

INPUT
Measured unit DC voltage
DC current
Resistivity
Temperature
Linear potentiometr
Measuring range
DC:±60 mV / ±150 mV / ±300 mV / ±1 200 mV
PM:0…5 mA / 0…20 mA / 4…20 mA / ±2 V / ±5 V / ±10 V / ±40 V
OHM:0…100 Ω / 0…1 kΩ / 0…10 kΩ / 0…100 kΩ / Auto
RTD:Pt 50 / Pt 100 / Pt 500 / Pt 1 000
Cu:Cu 50 / Cu 100
Ni:Ni 1 000 / Ni 10 000
T/C:J / K / T / E / B / S / R / N / L
DU:Linear potentiometer (min. 500 Ω)
Expansion "A"
DC:±0,1 A / ±0,25 A / ±0,5 A / ±2 A / ±5 A / ±100 V / ±250 V / ±500 V
Expansion "B"
PM:3x - 0…5 mA / 0…20 mA / 4…20 mA / ±2 V / ±5 V / ±10 V / ±40 V
COMPARATORS
Number and type of outputs none
1 relay with switch-on contact (form A) (250 VAC/30 VDC, 3 A)
2x relay with switch-on contact (form A) (250 VAC/30 VDC, 3 A)
3x relay, 2x switch-on + 1x switching (250 VAC/30 VDC, 3 A)
4x relay, 2x switch-on + 2x switching, (250 VAC/30 VDC, 3 A)
2x open collector NPN (30 VDC, 0,1 A)
4x open collector NPN (30 VDC, 0,1 A)
2x open collector NPN (30 VDC, 0,1 A) + 2x relays, switching (250 VAC/30 VDC, 3 A)
2x relays, switching (250 VAC/30 VDC, 3 A)
2x SSR (250 VAC, 1 A)
2x bistable relay (250 VAC, 3 A/250 VDC, 0,4 A)
1x relay, switching (250 VAC/30 VDC, 3 A)
Datový výstup
DATA OUTPUT RS 232
RS 485
RS 485 - MODBUS RTU (* 1.Q/07)
RS 485 - PROFIBUS (* 1.Q/07)
ANALOGUE OUTPUT
ANALOGUE OUTPUT Programmable with maximum resolution of 10.000 segments.
Analog output is with galvanic separation and corresponds with the displayed data or measured value.
Output type and range is selectable in programming mode.
• compensation < 500 Ω/12 V
• compensation < 1000 Ω/24 V
Range 0…2 V / 0…5 V / 0…10 V / ±10 V / 0…5 mA / 0…20 mA / 4…20 mA (with error message I = 3 mA)
EXCITATION
AUXILIARY VOLTAGE galvanic separation, settable by trimmer
POWER SUPPLY
POWER SUPPLY 10...30V AC/DC isolated
80...250V AC/DC isolated
MECHANICAL PROPERTIES
Dimensions 96 x 48 x 120 mm

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