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Laboratory Equipment >
Analytical Balances >
Mass Comparators
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Features
Mass comparators of UMA 5 series stand for the highest standard of professional automatic mass comparators. They provide comparison of 1 mg – 5 g weights of E1 and lower classes. The device is equipped with 36 magazine positions allowing to deposit up to 36 weights. This solution allows to perform either comparison for complete set of weights carried out within one process or comparison for just a few weights of the same mass. Owing to elimination of human factor and with temperature changes and air drafts reduced to zero, UMA automatic mass comparators provide the highest possible measurement repeatability.
- Effective and Excellent Measurement The UMA series stands for a class-leading automatic mass comparator. These comparators enable comparison of 1 mg - 1000 g weights of class E1 and lower.
- Comparison of Mass Standard Sets The UMA mass comparator is equipped with either 18-position or 36-position magazine. This universal solution enables comparison of whole weight sets during one process, however using it you can also compare weights of the same mass.
- Excellent Measurement Repeatability UMA automatic mass comparator, due to the elimination of the human factor, temperature changes and air drafts, guarantees excellent measurement repeatability.
- Vibration Sensor With vibration sensor placed inside the electronics, the UMA mass comparators analyse and identify vibration sources. The sensor helps to determine whether the recorded vibrations influence the measurement result or not.
- Dedicated Software Thanks to a user-friendly and functional software the user can prepare complete calibration schedule within just a few minutes.
- Universal Insert Shape Insert design allows measurement of weight of very small mass with high accuracy and prevents weight jamming. The device enables comparison of weight of various shapes using just one universal insert.
Functions
- Mass comparator
- Ambient conditions measurement
- Proximity sensors
- Replaceable units
- Multilingual menu
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Other RADWAG UMA Automatic Mass Comparators
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Specifications
| Model |
UMA-5 |
UMA-100 |
UMA-1000 |
| Capacity x Readability |
5.1 g x 0.1 μg (0.0001 mg) |
110 g x 1 μg (0.001 mg) |
1060 g x 5 μg (0.005 mg) |
| Repeatability absolute * |
0.7μ (5 g) |
3μ (100 g) |
20μ (1000 g) |
| Repeatability nominal load * |
0.4μ (5 g) |
2μ (100 g) |
12μ (1000 g) |
| Repeatability low load * |
0.2μ (100 mg) |
1.5μ (10 g) |
8μ (100 g) |
| Repeatability typical * |
0.3μ (5 g) |
1.7μ (100 g) |
10μ (1000 g) |
| Stabilization time |
30 s |
| Adjustment |
internal |
| Electric compensation range |
0 ÷ 5.1 g |
– 1 g ÷ 10 g |
–
10 g ÷ +60 g |
| Internal supplementary weights |
- |
automatic |
| Eccentricity (for test weight) |
0 mg |
| Magazine positions |
36 positions |
18 positions |
| OIML calibration range E1 |
1 mg ÷ 5 g |
1 g ÷ 100 g |
100 g ÷ 1000 g |
| OIML calibration range E2 |
1 mg ÷ 5 g |
1 g ÷ 100 g |
10 g ÷ 1000 g |
| OIML calibration range F1 |
1 mg ÷ 5 g |
1 g ÷ 100 g |
10 g ÷ 1000 g |
| OIML calibration range F2 |
1 mg ÷ 5 g |
1 g ÷ 100 g |
10 g ÷ 1000 g |
| OIML calibration range M1 |
1 mg ÷ 5 g |
1 g ÷ 100 g |
10 g ÷ 1000 g |
| OIML calibration range M2 |
1 mg ÷ 5 g |
1 g ÷ 100 g |
10 g ÷ 1000 g |
| Display |
5.7" color resistive touch screen |
| Keypad |
8 keys |
| Ingress protection - indicator |
IP 43 |
| Touch-free operation |
2 programmable sensors |
| USB-A |
2 |
| Ethernet |
10 / 100 Mbit |
| RS-232 |
2 |
| Wi-Fi |
802.11 b/g/n |
| IN/OUT |
4 x IN, 4 x OUT |
| Power supply |
110 ÷ 230 V AC / 50 ÷ 60 Hz |
| Operating temperature |
+15 ÷ +30 °C |
| Operating temperature change rate |
± 0.5 °C / 12 h (± 0.3 °C / 4 h) |
| Relative humidity variations |
±2% / 4 h |
| Relative humidity*** |
40 ÷ 60% |
| Transport and storage temperature |
–20 ÷ +50 °C |
| Weighing pan dimensions |
ø 20 mm |
ø 21 mm |
ø 48 mm |
| Mass comparator dimensions** |
900 x 535 x 585 mm |
700 x 775 x 585 mm |
700 x 775 x 585 mm |
| Indicator dimensions** |
465 x 187 x 261 mm |
| Control unit net weight |
8 kg |
| Control unit gross weight |
18.5 kg |
| Mass comparator net weight |
102 kg |
113.5 kg |
115 kg |
| Mass comparator gross weight |
198.5 kg |
219.5 kg |
221 kg |
| Control unit dimensions**** |
421 x 371 x 421 mm |
| Mass comparator packaging dimensions** |
1200 x 800 x 860 mm |
1200 x 1000 x 1150 mm |
* repeatability is expressed as a standard deviation determined for 6 ABBA cycles
** dimensions: length x width x height
*** non-condensing conditions
**** control unit (indicator + electronics) is shipped in a separate box
Wi-Fi ® is a registered trademark of Wi-Fi Alliance
Optional Accessories (Please Contact Us)
Weighing Tables
- granite anti-vibration table
Ambient Conditions
- THB-S or THB-P sensor
Peripheral Devices
- Epson dot matrix printer
- barcode scanner
- WD-5/3Y LCD display (backlit)
Cables, Converters
- RS-232 – P0108 computer cable
- RS-232 – P0167 computer cable
- RS-232 – P0151 Epson printer cable
Electrical Accessories
- power supply with ZR–02 battery
Optional Dedicated Software (Please Contact Us)
RMCS System
- performance of calibration procedures in a laboratory from the moment the order is placed, to the moment of issuing a calibration certificate
- compatible with THB sensors enabling recording ambient conditions
- export of report results to various files
- archiving calibration protocols, orders, certificates and ambient conditions
RADWAG Remote Desktop
- remote control of the mass comparator using computer, telephone or tablet
- sending text messages
- version for Windows 10 and Android systems
R-LAB
- collecting measurements
- carrying out statistical analysis of measurements
- customized graphs and reports
Parameters Editor
- remote change of parameters
- remote on-line preview of the display
- displaying current mass indication
- software update
- file loading, editing and saving parameters to a file
- import and export of parameters
- interfaces: RS232, Ethernet and Wireless Connection
- quick and easy edition of balance parameters using computer
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* within the 48 continental US States
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