Orbit Merret

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OMB 412UNI
OMB 412UNI

OMB 412UNI

The OMB 412UNI is a 3 digit panel programmable instrument with universal input and additional 24 points bargraph. The instrument is based on an 8-bit microcontroller with fast 24-bit A/D converter, which secures high accuracy, stability and easy operation of the instrument.

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
COMPARATORS
Number and type of outputs none
1 relay with switch-on contact (form A) (250 VAC/30 VDC, 3 A)
2 relays with switch-on contact (form A) (250 VAC/30 VDC, 3 A)
2 relays with switch-on (form A) + 1 relay with switching contact (form C) (250 VAC/30 VDC, 3 A)
2 relays with switch-on (form A) + 2 relays with switching contact (form C) (250 VAC/30 VDC, 3 A)
2 open collectors NPN (30 VDC, 0,1 A)
4 open collectors NPN (30 VDC, 0,1 A)
2 open collectors NPN (30 VDC, 0,1 A) + 2 relays with switching contact (form C) (250 VAC/30 VDC, 3 A)
2 relays with switching contact (form C) (250 VAC/30 VDC, 3 A)
2 SSR (250 VAC, 1 A)
2 bistable relays (250 VAC, 3 A/250 VDC, 0.4 A)
1 relay with switching contact (form C) (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 / 0…5 mA / 0…20 mA / 4…20 mA (with error signal 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 48 x 96 x 120 mm

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