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제품검색
Elevator&Escalator
Inspection Instruments
엘리베이터&에스컬레이터 안전, 진단, 검사 장비
Elevator&Escalator Inspection Instrument
RC-DONUT

Overload Measurement System Weight Watcher

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  • Simple installation at the joint of the wire rope
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  • Transfer to relay signal control panel in case of overload of elevator
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  • HOLD function eliminates the need to compensate for changes in weight during the calibration chain or movement
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  • Up to 16 sensors can be connected
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  • Real-time load value can be checked and set by LCD of indicator
INTRODUCE소개
  • For each rope, sensors are mounted directly on the rope or in blind spots. The sensor is connected to the datalogger and instantly displays the total weight and individual rope loads without weight and calibration. The desired alarm is set on the display and on the device's keys or free PC software. The device provides alarms for up to four load thresholds, loose rope conditions, and a single released rope load.


Multi suspension 1:1 suspension
specification사양
  • 인디게이터(AE-12)
Power supply voltage 12 V ~ 28 V DC
Power consumption max. 4w(all relays activated)
Fuse 1 A mT
HOLD Input 12V ~ 230V AC/DC
Relay Outputs
Max. Switching voltage 250V AC
Max. Starting current 15A
Max. Continuous current 10A
Max. Switching capacity
(resistive load)
2500VA
Max. Switching capacity
(inductive load)
500VA
Min. Switching load DC 0.3W
Analogue Output(optional)
Galvanically isolated Yes
Voltage output
(resistive load 500Ω)
2V ~ 10V or
0V ~ 10V
Current output
(resistive load 500Ω)
4mA ~ 20mA or
0mA ~ 20mA


  • RC-DONUT
Donut 300 Art-No. 455250 Donut 1000 Art-No. 455260
Max. eye-bolt Ø 12.5mm(M12) 16/22inch Max.eye-bolt Ø 24.5mm(M24) 16/18 inch
Roughly equivalent rope-Ø 4 ~ 8 mm 6/32 inch ~ 6/18 inch Roughly equivalent rope-Ø 12~ 17 mm 15/32 inch ~ 11/18 inch
Application range 0~300 kg / 0 ~ 660 lbs Application range 0~1000 kg / 0 ~ 2200 lbs
Maximum load 600 kg / 1300 lbs Maximum load 2000 kg / 4400 lbs
Breaking load 1200 kg / 2600 lbs Breaking load 4000 kg / 8800 lbs
Deflection compensation 10˚ Deflection compensation 5˚
Sensor height 52.4 mm / 2 1/16 inch Sensor height 68 mm / 2 43/63 inch
Sensor 40mm / 1/16 inch Sensor 65mm / 2 35/64 inch
Conection cable length 2.5 m Conection cable length 2.5 m
Type protection IP 20 Type protection IP 20


Donut 500 Art-No. 455255 Donut 3500 Art-No. 455265
Max. eye-bolt Ø 16.5mm(M16) 6/8 inch Max.eye-bolt Ø 31mm(M31) 1 7/32 inch
Roughly equivalent rope-Ø 6 ~ 14 mm 1/4 inch ~ 9/18 inch Roughly equivalent rope-Ø 16 ~ 25 mm 6/8 inch ~ 1 inch
Application range 0~500 kg / 0 ~ 1100 lbs Application range 0~3500 kg / 0 ~ 7700 lbs
Maximum load 1000 kg / 2200 lbs Maximum load 4550 kg / 10031 lbs
Breaking load 2000 kg / 4400 lbs Breaking load 5250 kg / 11574 lbs
Deflection compensation Deflection compensation 5도
Sensor height 53.8 mm / 2 1/8 inch Sensor height 92 mm / 3 6/8 inch
Sensor 49 mm / 1 59/64 inch Sensor 72.4 mm / 2 27/32 inch
Conection cable length 2.5 m Conection cable length 2.5 m
Type protection IP 20 Type protection IP 20


Donut RC Dimensions Donut RC 300 Donut RC 500 Donut RC 1000 Donut RC 3500
A 52.4mm
2.063"
53.8mm
2.118"
68mm
2.677"
92mm
3.622"
B Ø 40mm
Ø 1.574"
Ø 49mm
Ø 1.929"
Ø 65mm
Ø 2.559"
Ø 72.4mm
Ø 2.850"
C 17mm
0.669"
17mm
0.669"
17mm
0.669"
17mm
0.669"
D 10˚
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