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Gripping Force Meter SKM 1200 and SKM 1500

Technical Details
The SKM 1200 and SKM 1500 gripping force meters meet the EMV regulation 89/336/EWG and are marked with the CE-sign to indicate conformity with the relevant European safety standards.
The gripping force meter automatically carries out an adjustment of the zero-point when it is switched on. If the zero-point has been displaced by more than 20% of the maximum measuring range value the display flashes. This indicates previous mechanical overloading of the gripping force meter and lasting distortion of the measuring bolt. In this case, the meter should be returned to FORKARDT for testing and maintenance.
A second set of tension and compression bolts is required for testing 6-jaw chucks. The corresponding part order numbers can be found in the ,,Accessories" section.

SKM 1200
SKM 1500
Measuring Range
0 ... 200.0 kN
0 ... 500.0 kN
Lowest unit of measurement
0.1 kN
Permitted overload
100 ... 120 % of max. range value and display flash
Excess overload
> 120 % of max. range value flashes, display blank
Display range
0 ... 20,000 digit
Measuring tolerance
< +/- 0.5 %
Measuring frequency
1,000 Hz
Display frequency
4 Hz (average value from 250 readings)
Maximum value record
maximum value memory
Unit scales
t, kN, klbs
Number of jaws
2, 3, 6
Battery
rechargeable with main adapter 230 VAC / 50 Hz
Operating time
10 hours from a full charge
Recharging time
8 hours with unit switched off
Casing dimensions
155 x 75 x 39 mm
Insulation
to IP 65 standards
Measuring head dimensions
55 mm Ø
104 mm Ø
Chucking diameter
63 ... 293 mm Ø
114 ... 744 mm Ø
Weight
approx. 1.3 kg
approx. 2.9 kg


D
isplay
Number of jaws 2, 3, 6
Record maximum / overload
Gripping Force 0-200 kN (SKM 1200)
  0-500 kN (SKM 1500)
Battery needsd charging
Unit scale t, kN, k lbs




Key-Functions
Record maximum value
The maximum value recorded is stored and displayed. Maximum value mode allows to take a reading in chucking situations when the display cannot be viewed. The maximum value remains displayed after unclamping the meter. The memory can be cleared before a new maximum value reading is taken by pressing the CLR button. If the memory isn't cleared manually it will be cleared automatically whenever the next reading is taken and the new result will be displayed. In order to avoid misinterpreted readings, the maximum recorded value is automatically deleted, whenever the meter is switched off.
Changing number of jaws
The number of jaws changes each time this key is pressed. The chosen number of jaws is shown in the top right corner of the display. Possible values are 2, 3 and 6 jaws. The reading eventually displayed is the actual measurement multiplied by the number of jaws selected, and the maximum value is cleared.
Clear maximum value
The recorded maximum value is cleared, but the unit remains in maximum value mode.
Changing the unit scale
On pressing this button the unit scale is changed. Available unit scales are t, kN and klbs. The value read is recalculated and displayed when the unit scale is changed.
1 kN = 1000N, 1 t = 9807 N, 1 klbs = 1000 lbs = 4448 N
Switching on / off
Current settings remain stored when the meter is switched off. Upon switching it back on, measuring operations can be started immediately.
Adjusting the zero-point
The zero-point on the meter is adjusted by pressing this button. This function should only be used when the meter is not clamped or loaded.

Techncal Data

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