MD120B

Ư ¡ : 4ä ڴ
̾ ġ м
* ޸𸮿 (100 item )
* ϰ κ ׷ ڼ ִ
* 8 85 mm dia rope ˻
* ˻ ޸𸮿 ϰų ǻͷ
* (嵥 )
* ũ : 475 x 370 x 175 mm
* : 13 kg

MD120B WIRE ROPE DEFECTOGRAPH

̾ ı

 

 

Meraster 1979 ̾ ׽Ʈ⸦ 迡 Խϴ.

NDT 忡 ߵǾ 迡 Ǵ ڼ մϴ.

Meraster ǥ 8 ~ 90 mm ̸, 带 ֽϴ.

쿡 MD-20 ޴ ׽Ʈ⸦ ص ˴ϴ.

 

 

 

 

 

ֱ Meraster MD120 ýۿ ǻ ϸ ߰ ִ ޴ Ʈ ڴ ԵǾ ֽϴ.

̴ ȯ濡 Ư 䱸 Ű Ǿϴ.

 

 

Ư¡

 

 

  • * ü ̿ ̸ ġ
  • * й Ͽ е ǵ
  • * ϵ ÷

 

 

 

ı ˻ ִ ִ մϴ.


 

 

 

 

MD120 B DEFECTOGRAPH

 


GP ø ǥ

8 ~ 85 mm 

GP-1 type

30 ~ 85 mm

GP-2 type

20 ~ 60 mm

GP-3 type

10 ~ 30 mm

GP-4  

10 ~ 26 mm

GP-5  

10 ~ 15 mm

GP-6 type

8 ~ 14 mm

Hand-held tester MD-20 as a head

8 ~ 22 mm

GM series light-weight heads

10 ~ 90 mm 

 


Ferromagnetic steel, any form of construction

 

Ž

defects characterised by stepwise changes in rope cross-section, i.e. broken wires, pitting corrosion, etc., are detected using inductive sensors in all heads

  • larger losses in a rope's metallic cross-section, i.e. wear, corrosion in longer length etc. are detected using additional Hall-effect sensor in GP-1(h), GP-2(h),
    GP-3(h) and GM series heads
  • real distortion
  •  

Ž
all important defects to estimate rope deterioration; maximum sensitivity may be as high as 0.05% of nominal rope metallic cross-sectional area (but such defect readability depends on the rope's construction)

 

Defect positioning on rope length
with rope length converter RI, mounted in heads GP-1 type, GP-2 type, GP-3 type, GM or separate for others

 

Defect positioning of depth inside rope
with heads equipped with double inductive sensors ("inner" and "outer"), i.e. heads GP-1 type, GP-2 type, GM

 

۵ ȯ

  µ

-25 ~ + 40 C 

  ̿ Ͻ µ

0 ~ + 40 C 

  

~ 95% 

 ̿ Ͻ µ

25 ~ 85%

 

 

 

 


MD120B DEFECTOGRAPH
- SIGNAL RECORDER

 

Ȱ
This instrument is intended to record signals from magnetic sensing heads for testing wire ropes. It may also be direct applied to recording other electric signals within its sensitivity range 1mV/mm to 3.2 V/full scale or it may be customised to record within another required range, from 50 µV/mm.

 

  • chart feed at constant selectable speed
  • chart feed synchronous to rope movement
  •  

ä

  • 4 measurement channels -
    • 2 channels of inductive sensors (coils) signals,
    • 1 channel of Hall-effect sensor signal,
    • 1 channel of mathematical integration of the inductive signal,
  • rope length printout in meters by 5 cm of chart,
  • time marks every 1 second and 10 seconds
  • printout of recorder settings, rope code settings, time and date



̾ ׽Ʈ Ʈ



Thermal array line printing head, printing on thermal paper on a roll 112 mm x 25m

  • resolution 8 dots/mm
  • channel format - overall width 103 mm
    • Induction channels 18 mm each
    • Hall channel 9 mm
    • Integral channel 9 mm
  • grid every 1mm and 10 mm in separate channels
  •  

ǵ
0.05 ~ 10 m/s

 

÷ ǵ
0.05 ~ 9.99 m/s by 0.01m/s, over range indicated

 

÷  1 ~ 9999 m by 1 m reversible, up/down counting option, initial length setting capability

 

input
2 x 100 pulses/m (type RI)

 

Paper chart drive
1, 2, 5, 10 mm/m of rope or 1, 2, 5, 10 mm/second at synchro-feed rope speed should be limited

at 1 mm/m to 7.0m/s

at 2 mm/m to 7.0m/s

at 5 mm/m to 3.6m/s

at 10 mm/m to 1.8m/s

"Zoom replay" ratio 20 mm/m of rope or mm/s

 

" ÷" memory capacity 18.75 m of rope or 18.75 seconds of recording

 

Կ ñ׳
10, 20, .... 90% of full scale of the inner sensor channel (beeper and also headphones)

 

" & ڵ" ޸
Capacity 100 items

 

Indicators

  • liquid crystal display 2 x 40 characters
  • RUN or STOP
  • LED indicator POWER ON
  • LED indicator PAPER OUT
  • multicolour LED indicator of battery charging
  •  

̾Ʊ׷ ޸ (ɼ ޸ ī)

  

SRAM Memory Card

PCMCIA type I or II, 

  뷮

512 kB to 4 MB, i.e.

300 to 2400 m of rope at synchro mode

or 300 to 2400 seconds (40 min) of recording

  

3 signal channels + integral channel

at sampling rate 2.5 mm or ms

recorder settings, rope code, time, date

rope length counter

 

• printing selected sectors with MD120 

• with computer and software tools 

 

̾Ʊ׷ ޸𸮿 ǻͷ ۽ ʿ ̽

PCMCIA port & professional, byte level software driver

 

ΰ
Outer and inner coil channels

  • sensitivity at constant chart feed in mm/s and at synchro mode (mm/m), for rope speed 1m/s: 1, 2, 5, 10, 20, 50, 100, 200 mV/mm , at input resistance 21.5 kohm
  • actual sensitivity at synchro mode
    • for rope speed 0.05 to 10m/s depends on: "nominal sensitivity" x "value of rope speed in m/s"
    • at speed less than 0.05 m/s: as for 0.05 m/s (max. sensitivity 1 mV/mm x 0.05 = 0.05 mV/mm)

Hall-effect sensor channel

  • 0.1, 0.2, 0.5, 1, 2, 5, 10, 20 mV/mm
  • differential input voltage
    with DC component cutting, 0-400 mV

Integral of inductive signal

  • 4 sensitivity levels
  • running integral range 0.1 to 9.99 m or s
  •  

  • AC Mains 220 V, 80 VA; other AC Mains voltages on request
  • DC 12 V, 50 W
  • Internal rechargeable battery for 4-6 hours of operation without external power
    • deep discharge protection
    • recharging while external power is connected
    •  

ũ
47.5 x 37 x 17.5 cm

 


ǥ ׼ 13 kg