OM 352UNI

OM 352UNI

3 ½ digit MULTIFUNCTION INSTRUMENT

The OM 352 series are simple 3 ½ digit panel programmable instruments designed for maximum usefulness and user comfort while maintaining their fair price. Type OM 352UNI is a multifunction instrument with the possibility of configuration for 8 different input options , easily configurable in the instrument menu. The instrument is based on a single-chip microcontroller and an A/D converter, which ensure good accuracy, stability and easy operation of the instrument.

  • 3 ½ digit programmable projection
  • multifunction input UNI  (DC, PM, RTD, T/C, DU)
  • digital filters, tare, linearization,excitation
  • size of DIN 96 x 48 mm
  • power supply 10…30 V AC/DC or 80…250 V AC/DC

Options

  • comparators

  • data output

  • analog output

  • three-color display - 20 mm

 

Projection
Display range
±1999, single-coloured 7-segment LED
-999…9999, 3-coloured 7-segment LED
Display height
14 mm, 20 mm
Display colour
červená, zelená, červená/zelená/oranžová
Signalizing LED
1, 2
Limits L1, L2 (red)
T
Tare (green)
Decimal point
nastavitelná v menu - pevná nebo plovoucí
Display brightness
nastavitelný v menu
Input
DC
Range
menu selectable
0…20 mV
> 10 MOhm
Input 4
0…60 mV
> 10 MOhm
Input 3
0…1 V
1,25 MOhm
Input 1
PM
Range
menu selectable
0…20 mA
< 200 mV
Input 5
4…20 mA
< 200 mV
Input 5
0…2 V
10 MOhm
Input 4
0…5 V
1,25 MOhm
Input 1
0…10 V
1,25 MOhm
Input 1
OHM
Range
fixed, according to order
0…300 Ohm
0…1,5 kOhm
0…3 kOhm
0…30 kOhm
Connection
2, 3 or 4-wire
RTD
Type
fixed, according to order
EU > 100/500/1 000 Ohm s 3 850 ppm/°C
-50°…450°C
RU > 50 Ohm s 3 910 ppm/°C
-200°…1 100°C
RU > 100 Ohm s 3 910 ppm/°C
-200°…450°C
US > 100 Ohm s 3 920 ppm/°C
-50°…450°C
Connection
2, 3 or 4-wire
Ni
Type
fixed, according to order
Ni 1 000/10 000 s 5 000 ppm/°C
-50°…250°C
Ni 1 000/10 000 s 6 180 ppm/°C
-50°…250°C
Connection
2, 3 or 4-wire
Cu
Type
fixed, according to order
Cu 50/100 with 4 260 ppm/°C
-50°…200°C
Cu 50/100 with 4 280 ppm/°C
-200°…200°C
Connection
2-, 3-, or 4-wire
T/C
Type
selecmenu selectable
J (Fe-CuNi)
-100°…900°C
K (NiCr-Ni)
-100°…1 300°C
T (Cu-CuNi)
-200°…400°C
E (NiCr-CuNi)
-100°…690°C
B (PtRh30-PtRh6)
700°…1 820°C
S (PtRh10-Pt)
100°…1 760°C
R (Pt13Rh-Pt)
100°…1 740°C
N (Omegalloy)
0°…1 300°C
L (Fe-CuNi)
-100°…900°C
DU
Potentiometer power supply
2,5 VDC/6 mA, potentiometer resistance > 500 Ohm
Settings
Control
The device is controlled and set by five buttons on the front panel
Selected functions can also be controlled via external inputs
Menu
LIGHT
contains only items necessary for basic device settings with password access
PROFI
Full device settings with password access
USER
User menu of any item, selected from LIGHT/PROFI. Access without password.
OM Link
Company communication interface for operation, setting and update of device firmware
OM Link program is also designed for visualization and filing of meas. values from more instruments
Instrument accuracy and functionality
Temperature coefficient
50 ppm/°C
Accuracy
±0,2 % of range + 1 digit
±0,3 % of range + 1 digit (T/C)
±0,6 % of range + 1 digit (T/C-B)
Accuracy of cold junction measurement
±1,5°C
Rate
0,5/1,2/2,5/5 measur./s
Overload capacity
2x; 10x (t < 30 ms)
Resolution (RTD, T/C)
1°C, 0,1°C
Wire compensation (RTD, OHM)
< 30 Ohm
Cold junction compensation
nastavitelná -20°…99°C, automatická
Linearization
linear interpolation in 25 points (only via OM Link)
Digital filters
exponential mean
from 2…100 measurements
rounding
setting projection step for display
Functions
Tare
designed to reset display on non-zero input signal
Watch-dog
reset after 500 ms
Calibration
at 25°C and 40 % r.h.
Comparators
Type
Digital, menu adjustable, contact connect. < 50 ms
Mode
Hysteresis
switch. point, hysteresis band "Mez ± 1/2 Hys." and time (0 ... 99.9 s) determ. switching delay
Relay idle state
rozepnutý nebo sepnutý - nastavitelný v menu
Output
2x relay, switch on contact (250 VAC/30 VDC, 3 A)
2x open collector (30 VDC/100 mA)
Data outputs
Protocol
ASCII, PROFIBUS DP
Data format
8 bits + no parity + 1 stop bit (ASCII)
Rate
300…230 400 Baud
0,0096…12 MBaud (PROFIBUS)
RS 232
izolovaná
RS 485
izolovaná, adresace max. 31 přístrojů
Analogue outputs
Type
Isolated, programm. with resolution of max. 4,000 steps, type and range are menu selectable
Nonlinearity
±0,2 % of range
Temperature coefficient
50 ppm/°C
Rate
response to value change < 250 ms
Range
0…2 V, 0…5 V, 0…10 V, 0…20 mA, 4…20 mA
Compensation
600 Ohm/12 V
Sensor excitation
Adjustable
5…24 VDC/max. 1,2 W
Power supply
Power supply
10…30 V AC/DC, ±10 %, PF > 0,4, I < 40 A/1 ms, isolated
80…250 V AC/DC, ±10 %, PF > 0,4, I < 40 A/1 ms, isolated
Current draw
< 6,8 W/6,9 VA
Power supply protection
Power supply is protected by a fuse inside the instrument
Mechanical properties
Material
Noryl GFN2 SE1, non-inflammable UL 94 V-I
Dimensions
96 x 48 x 120 mm (w x h x d)
Panel cutout
90,5 x 45 mm (w x h)
Operating conditions
Connection
connector terminal board, cable section < 1,5/2,5 mm2
Operating temperature
-20°…60°C
Storage temperature
-20°…80°C
Protection class
IP64 (front panel only)
El. safety
EN 61010-1, A2
Dielectric strength
4 kVAC within 1 min. between pow. supply and input
4 kVAC within 1 min. between pow. supply and data/anal. output
4 kVAC within 1 min. between input and relay output
2,5 kVAC within 1 min.between input and data/anal. output
Insulation resistance
for polution degree II, measuring cat. III.
power supply
670 V (ZI), 300 V (Di)*
input, output, PN
300 V (ZI), 150 V (Di)*
EMC
EN 61326-1
Explanatory notes

PI - Primary insulation, DI - Double insulation

Images
Dimensions and installation
Connection
To assemble the order, first select the desired instrument configuration.
OM 352UNI-?????
Power supply
Any
?
Any
?
10...30 V AC/DC
0
80...250 V AC/DC
1
Measuring range
Any
?
Any
?
Pt 100/300 Ohm
A
Pt 500/1500 Ohm
B
Pt 1 000/Ni 1 000/3 kOhm
C
Ni 10 000/30 kOhm
D
na přání
Z
Comparators
Any
?
Any
?
ne
0
1x relé (spínací)
1
2x relé (spínací)
2
1x otevřený kolektor
3
2x otevřený kolektor
4
Outputs
Any
?
Any
?
žádný
0
Pomocné napětí
1
Analogový výstup
2
RS 232
3
RS 485
4
RS 485 - Modbus
5
RS 485 - Profibus
6
Display color
Any
?
Any
?
červená - 14 mm
1
zelená - 14 mm
2
červená/zelená - 20 mm
3
Selected combination is invalid
Alternatives in stock
OM 352UNI-1A011In stock 5 - 10 pcs
OM 352UNI-1A111In stock 5 - 10 pcs
OM 352UNI-1A211In stock < 5 pcs
OM 352UNI-1A213In stock 5 - 10 pcs

Firmware

File nameFile typeVersionLanguageDownload
HEX
OM 352UNI2 xxDownload
OM 352UNI20 61-010-Pt Ni10
HEX
2009 xx00Download
OM 352UNI20 61-010-Pt500
HEX
2009 xxDownload
OM 352UNI20 61-010-Pt100
HEX
2009 xxDownload
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Software

File nameFile typeVersionLanguageDownload
GSD OM-Profibus
ZIP
2020 xxDownload
GSDML OM-Profinet
ZIP
2020.2.33 xxDownload
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CAD

File nameFile typeVersionLanguageDownload
OM Krabicka
DWG
2014 xxDownload
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ISOLATED TRANSDUCER • USB OM INSTRUMENTS

Small compact transducer OM LINK USB with cable ensures safe and comfortable galvanically isolated connection between your computer and ORBIT MERRET instruments.