RMC 20000.5Y Robotic Mass Comparator

The RMC Robotic Mass Comparator guarantees full automation of the robotic mass standard comparison process. The synergy between the robot and the automaton translates into unparalleled repeatability results and other advantages, which we discuss below.

Fully automated comparison process

Opening the weighing chamber during measurement generates air drafts and changes the ambient conditions in the chamber, which significantly increases dispersion. With the RMC line of robotic mass comparators, this problem has been eliminated. It was solved by combining the advantages of robotic mass comparators with those of automatic mass comparators. Thanks to this innovative approach, a repeatability of comparison results of more than 100% better was achieved versus standard solutions used worldwide.

Robot and automat in one unit

The RMC mass comparator combines the advantages of robotic mass comparators and automatic mass comparators. Thanks to this innovative solution, it has been possible to:

Eliminate air drafts and ground vibrations
Maintain constant ambient conditions in the weighing chamber
Prolong life cycle of the robotic system
Shorten duration of mass standard comparison
Reduce noise.

Possibility of automatic mass standard dissemination

The RMC mass comparator allows a full mass standard dissemination process through the use of the intermediate mass standard magazine. This solution significantly reduces comparison time and wear and tear on the transport robot.

Real-time measurement of ambient conditions

The RMC mass comparator has been equipped with a top-class thermo-hygro-barometer enabling real-time control of ambient conditions in four locations, among many in the weighing chamber and mass standard magazine. Thermo-hygro-barometers are highly precise devices measuring pressure with the readability of 0.001 hPa, humidity of 0.01%, and temperature of 0.001°C. Reliability of ambient conditions measurement carried out using the thermo-hygro-barometer is confirmed by a calibration certificate.

Universal magazine insert design

Mass standard magazine features 10 positions. The RMC mass comparator enables comparison of weights of all shapes compliant with OIML recommendations, using just one universal insert. Remote, real-time preview of comparison process is possible thanks to a video camera (option).

Transport arm

With use of the automatic mass comparator, the transport arm remains inactive in the course of comparison, which eliminates air drafts and vibrations, considerably shortens comparison, and reduces noise emission. The transport arm of the RMC mass comparator is used only to transfer the mass standards, that is, outside the comparation process.

Ejectable mass standards magazine

For the user’s convenience, the magazine slides out of the robot’s footprint at the time of arming and allows weights to be applied very easily. What is more, once retracted, the magazine positions itself automatically.

Additional accessories

Additional equipment includes a video camera and RMCS software. The camera enables remote preview of comparison process in real time (Internet access required), while the RMCS software allows unrestricted monitoring of the comparison process.

Datasheet

E0 Calibration Range	1 kg – 20 kg *
E1 Calibration Range	1 – 20 kg
E2 Calibration Range	1 – 20 kg
F1 Calibration Range	1 – 20 kg
F2 Calibration Range	1 – 20 kg
Maximum capacity [Max]	20.2 kg
Readability [d]	0.1 mg
Standard repeatability [5% Max]	0.15 mg
Standard repeatability [Max]	0.2 mg
Permissible repeatability	0.3 mg
Electric compensation range	-50 g – +200 g
Stabilization time	30 s
Adjustment	internal (automatic)
Display	10″ graphic colour touchscreen
Weighing pan dimensions	ø190 mm - self centering
Device dimensions	2700×1400×2000 mm
Controling device dimensions	249×170×72 mm
Magazine positions	10
Communication interface	2×USB-A, USB-C, HDMI, Ethernet, Wi-Fi^®, Hotspot
Power supply	110 – 240 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	40% – 60%
Relative humidity change rate	±5% / 12 h (2% / 4 h)

Repeatability is expressed as a standard deviation determined for 6 ABBA cycles.
* E0 standard determined from 1∕5 limiting error according to OIML R111 for class E1.

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