Ref: KR20 - M5 à M16 - 5 à 200 kN - IP65

Bolt force sensor - M5 to M16 - 0-5kN to 0-200 kN

  • type: Bolt force sensor;
  • nominal force: 5kN, 10kN, 20kN, 30kN, 40kN, 50kN, 60kN, 100kN, 200kN
  • Inner diameter : M5, M6, M8, M10, M12, M16
  • accuracy class: 1 %;
  • dimensions: Ø 16 x 7 mm à Ø 40 x 12 mm
  • connection: 3m STC-32T-4;
  • Operating temperature : -10 à +85 °C
  • calibration certificate 5 measurement points; 3 test series with 3 mounting positions;
  • accessories incl.: 2x washers for load distribution,
  • recommended accessories: adapter cable sub-D15/f;

Download the product sheet

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Presentation

The bolt force transducer KR20 has been designed for measuring the clamping force of a screwed assembly with bolts of diameter M5 to M16. The accuracy is in range of 1% of full scale.

Available in 11 measuring ranges from 0-5kN to 0-200 kN, KR20 features a robust design (stainless steel, IP 65, overload protection of 150%) and an operating temperature range between -10 and 85 ° C .

A complete 5-point factory calibration certificate is supplied with each sensor (9 repetitions)

Specifications

Bore Measuring ranges Output signal Accuracy Height
M5 5 kN 0.4 to 0.7 mV/V 1% 7,2 mm
M6 20 kN, 40 kN 0.4 to 0.7 mV/V 1% 7 mm
M8 20 kN, 40 kN 0.4 to 0.7 mV/V 1% 7,1 mm
M10 30 kN, 60 kN 0.4 to 0.7 mV/V 1% 8,7 mm
M12 50 kN, 100 kN 0.4 to 0.7 mV/V 1% 9,1 mm
M16 100 kN, 200 kN 0.4 to 0.7 mV/V 1% 12 mm

Installation

Voltage supply: 5 or 10VDC. Non-amplified output signal. Connection: 1 3m cable with a SUB-D15 connecteur, which shall not be removed, as it contains the calibration resistors.

2 hardened washers are included for load distribution.

The following amplifiers are recommended to be used with the KR20:

Applications

  • tightening force measurement
  • Clamping force measurement
  • prestraint force measurement
  • tightening torque measurement

Options and accessories

  • extended compensation temperature area
  • cable length
  • calibration
  • TEDS module
  • Amplifier, display
  • Acquisition module
Type
Load washer
Measuring Range
5kN , 10kN , 20kN , 30kN , 40kN , 50kN , 60kN , 100kN , 200kN
Precision (max error)
1 %
Nonlinearity (% FS)
± 0.5 %
Hysteresis
0.5 % FS
Nonrepeatability
0.05 % FS
Temperature Compensated Range
-10 to 70 °C
Température de fonctionnement
-10 to 85 °C
Zero Balance
0.05 %PE/°C
Sensibilité du gain
0.05 %/°C
Analog output signal
non-amplifié
Output Signal
0.4 , 0.7 mV/V
Résistance du pont
350 Ω
Tension d'alimentation
10 Vcc
Measurement direction
Compression
Déflection
- mm
Surcharge
150 %PE
Protection Class
IP65
Measuring Range (Force)
100 - 250 kN
Application
OEM, low cost

Dimensions

Dimension 5kN M5 10/20kN M6 20kN M8 30/60kN M10 50/100 kN M12 100/200kN M16
A 7,35 10,5 13,75 17 22,5 30
B 6 6 8 10 12 16
C 14,5 16 20 25 30 40
D 17,9 19,7 23,7 28,75 33,5 43,6
E 7,2 7 7,1 8,7 9,1 12
F 5,9 5,5 5,5 7,5 7,5 10
G 14,5 16 20 25 30 40
H 6 6 8 10 12 16
I 12,2 13 13 17 17 20
J 7,2 7 7 9 9 12
R 1,5 1,25 1,75 3,5 5 6

Electrical connections

3m Cable

Pin Description Wire color
+Us Supply + red
-Us Supply - black
+Ud Output + green
-Ud Output - white

Options and accessories

  • extended compensation temperature area
  • cable length
  • calibration
  • TEDS module
  • Amplifier, display
  • Acquisition module

Amplifier / Display

Acquisition module

  • 1 channel: GSV-2AS (RS-232/485 or CANopen) or GSV-3USB (1 or 2 USB channels)
  • 4 channels GSV-4USB (USB)
  • 6 channels GSV-6BT (Bluetooth) or GSV-6LTE (LTE Datalogger)
  • 8 channels GSV-8DS (LAN / WiFi / USB / EtherCAT / CANRS-232)

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