OML 643UQC
6 digit UNIVERSAL COUNTER
Type OML 643UQC is an inexpensive 6 digit universal counter/frequency meter/clock/timer with a box depth of only 30 mm. The instrument is based on a single-chip microcontroller, which ensures good accuracy, stability and easy operation of the instrument.
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6 digit programmable projection
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counter/frequency meter/clock/timer
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0,1 Hz…50 kHz; UP/DW; IRC
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tare, preset, sum
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digital filters, input filters
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size of DIN 96 x 48 mm
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power supply 10…30 VDC/24 VAC
Options
-
comparator
Input
UQC
Input
menu selectable
on contact, TTL, NPN/PNP
0...30 V, comparation levels are adjustable in the menu or automatically
on contact, TTL, NPN/PNP
0...30 V, comparation levels are adjustable in the menu or automatically
Input frequency
0,1 Hz…50 kHz (Mode SINGLE)
0,1 Hz…20 kHz (Mode UP/DW)
0,1 Hz…20 kHz (UP-DW)
0,1 Hz…20 kHz (Mode QUADR. - frequency)
0,1 Hz…10 kHz (Mode QUADR. - counter)
(for duty cycle 50%)
0,1 Hz…20 kHz (Mode UP/DW)
0,1 Hz…20 kHz (UP-DW)
0,1 Hz…20 kHz (Mode QUADR. - frequency)
0,1 Hz…10 kHz (Mode QUADR. - counter)
(for duty cycle 50%)
Measurement mode
| SINGLE | Counter/Frequency |
| QUADR | Counter/Frequency for IRC sensor |
| UP/DW | Counter/Frequency |
| UP - DW | Counter/Frequency |
| TIME | Stopwatch |
| RTC | Clock |
Time base
0,5/1/2/5/10 s
Calibration coefficient
0,00001…999999
Preset
0…999999
Input filter
out
5/40/100/1 000 Hz
5/40/100/1 000 Hz
Functions
| Preset | initial non-zero value, which is always read after resetting the instrument |
| Current value | single setting of the initial value |
| Summation | registration of numbers during shift operation |
| Time backup | time is running even when the device is off (the display is off either) |
External inputs
Number
1 input, on contact
Functions
| OFF | No function |
| HOLD | Stopping measurement (option: Display - Analog output - Limits) |
| LOCK | Blocking front panel keys |
| TARE | Tare activation |
| CLEAR | Resetting display |
| SUMA | Sum display |
| CL.SUM. | Resetting sum |
| CLR. ST. | Input clears (presets) stop-watch/counter, Stop-watch also stops |
| COUNT. | Switching display Counter/Frequency |
Magnet
Placement
Lower right corner of the display
Function
The same functions as for the input can be set in the menu for the magnet + stopwatch control
Projection
Display range
-99999…999999,single-coloured 7-segment LED
Display height
14 mm
Display colour
red, green
Signalizing LED
| 1 | Limit L1 (red) |
| T | Tare (green) |
| C, F | Channels - counter, frequency (orange) |
Decimal point
menu adjustable - fixed or floating
Display brightness
menu adjustable, automatically
Displayed values
| COUNT. | Value from channel Counter |
| FREQ. | Value from channel Frequency |
Settings
Control
The device is controlled and set by five buttons located under the front panel
Selected functions can also be controlled via external inputs
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
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
±0,02 % of range + 1 digit
±0,02 % of value ±2 ms (stopwatch)
±0,02 % of value ±130 ms (RTC)
±0,02 % of value ±2 ms (stopwatch)
±0,02 % of value ±130 ms (RTC)
Overload capacity
2x; 10x (t < 30 ms)
Linearization
linear interpolation in 25 points (only via OM Link)
Digital filters
| exponential mean | from 2…100 measurements |
| rounding | setting projection step for display |
| input filter | transmits input signal range 5…1 000 Hz |
| 1/Fr. | filter for frequency conversion to time |
Functions
| Tare | designed to reset display on non-zero input signal |
| Preset | initial non-zero value, which is read after each counter reset |
| Summation | number registration upon shift operation |
| Time backup | time is running even when the power is off (display is off either) |
| Current value | single setting of the initial value |
Time backup
Lithium cell CR 2032RV, 3V/220 mAh
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 |
| C-Pulse | auto counter reset on the preset value |
| Once | switching ON limit, however it opens only after a counter reset |
Output
1x relay, switch on contact (250 VAC/30 VDC, 3A)
1x open collector (30 VDC/100 mA)
1x open collector (30 VDC/100 mA)
Power supply
Power supply
10…30 VDC/24 VAC, ±10 %, PF > 0,4, I < 45 A/1 ms
10…30 VDC/24 VAC, ±10 %, PF > 0,4, I < 45 A/1 ms, isolated
10…30 VDC/24 VAC, ±10 %, PF > 0,4, I < 45 A/1 ms, isolated
Current draw
< 1,8 W/1,9 VA
Mechanical properties
Dimensions
96 x 48 x 30 mm (w x h x d)
Panel cutout
92 x 44 mm (w x h)
Material
Polycarbonate, non-inflammable UL 94 V-0
Operating conditions
Connection
terminal board, cable section < 1,5 mm2
Stabilization period
within 15 minutes after switch on
Operating temperature
-20°…60°C
Storage temperature
-20°…80°C
Protection class
IP 65 (front panel only)
El. safety
EN 61010-1, A2
Dielectric strength
2,5 kVAC within 1 min. between pow. supply and input
4 kVAC within 1 min. between input and relay output
4 kVAC within 1 min. between input and relay output
Insulation resistance
| power supply | 300 V (ZI)* |
| input, output | 300 V (ZI)* |
EMC
EN 61326-1
Images
Dimensions and installation
Connection
Datasheets
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Datasheet OML643
Datasheet OML643
Datasheet OML643
Katalogový list OML643
|
PDF
|
2015.1 |
|
Download |
|
Datasheet OML643
Datasheet OML643
Datasheet OML643
Katalogový list OML643
|
PDF
|
2014.2 |
|
Download |
|
Datasheet OML643
Datasheet OML643
Datasheet OML643
Katalogový list OML643
|
PDF
|
2014.1 |
|
Download |
|
Datasheet OML643
Datasheet OML643
Datasheet OML643
Katalogový list OML643
|
PDF
|
2013.2 |
|
Download |
| Datasheet OML643 |
PDF
|
2013.1 | ru | Download |
|
Datasheet OML643
Datasheet OML643
Datasheet OML643
Katalogový list OML643
|
PDF
|
2012.2 |
|
Download |
|
Datasheet OML643UQC
Datasheet OML643UQC
Datasheet OML643UQC
Katalogový list OML643UQC
|
PDF
|
2020.1 |
|
Download |
| Katalogový list OML643 |
PDF
|
2012.1 | cs | Download |
|
Datasheet OML643UQC
Katalogový list OML643UQC
|
PDF
|
2026.2 |
|
Download |
|
Datasheet OML643UQC
Katalogový list OML643UQC
|
PDF
|
2023.1 |
|
Download |
User manuals
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Operating instructions OML643UQC
Návod OML643UQC
|
PDF
|
2012.1.1 |
|
Download |
|
Operating instructions OML643UQC
Návod OML643UQC
|
PDF
|
2011.1.0 |
|
Download |
Certificates
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
|
Certificate EU_Declaration_OML643
Certifikát EU_Prohlaseni_OML643
|
PDF
|
2022 |
|
Download |
|
Certificate Declaration_17050_OML643
Certifikát Prohlaseni_17050_OML643
|
PDF
|
2022 |
|
Download |
Firmware
| File name | File type | Version | Language | Download |
|---|---|---|---|---|
| OML643UQC 62-106 OML643UQC |
HEX
|
2016 | xx | Download |
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.