VKK2-8,

Data Sheet
VKK2R-8
Junction boxes

Special features

− Parallel connection of up to
8 load cells
− Corner balancing via integrated
resistor network
− EMC-proof according to
EN 45 501 and EN 61 323 due to
HBM shielding method
− Degree of protection IP65 to
EN 60 529
− Expandable to more than eight
load cells
− VKK2R-8 with stainless housing

Dimensions (in mm; 1 mm= 0.03937 inches)

37.5 *

250 100
260 110
128

* with rubber seal

(mounted state)

Mounting direction
∅7
0

25

50

75

100

125

150

175

200

7x M12, a.f. 14 for 2x M16, a.f. 17 for

264.1
cable ∅ 4 ... 6.5 mm cable ∅ 5 ... 9 mm
278

B1239-1.3 en
Corner load balancing

Input: Output:
Load cells 1 ... 8 Amplifier

Sense (+)
Excitation (+)
8 7 2 1
Excitation (−)
Sense (−)
0.22 Ω 0.22 Ω 0.22 Ω 0.22 Ω

0.39 Ω 0.39 Ω 0.39 Ω 0.39 Ω

0.82 Ω 0.82 Ω 0.82 Ω 0.82 Ω

1.50 Ω 1.50 Ω 1.50 Ω 1.50 Ω

3.00 Ω 3.00 Ω 3.00 Ω 3.00 Ω

Signal (−)
Signal (+)

Specifications
Type VKK2-8 VKK2R-8
Resistor network for corner load balancing Ω 0.22...5.93 (in 30 steps)
Max. permissible voltage V 18
Nominal temperature range −20...+85
Operating temperature range °C
C −20...+85
Storage temperature range −40...+85
Interference immunity check
Electromagnetic field (26...1000 MHz) V/m 10
Burst (to connected cables) V 1000
Electrostatic discharge (to housing) V 6000
Weight, approx. kg 1
Max. wire cross section of cable strands mm2 1.5
Degree of protection IP65 (dust−tight and protected against water jets)
according to EN 60529
(IEC 529)
Materials: Housing powder−coated steel sheet stainless steel
Housing:
RAL 7035
Sleeve nut 7 M12, a.f.14, 2 M16, a.f.17
nickel−plated brass
Clamping cone Neoprene

Modifications reserved. Hottinger Baldwin Messtechnik GmbH

All details describe our products in general form only. They
are not to be understood as express warranty and do not
constitute any liability whatsoever.
Im Tiefen See 45, D-64293 Darmstadt, Germany
Tel.: +49 6151 803-0 Fax: +49 6151 803 9100
B1239-1.3 en Email: support@hbm.com Internet: www.hbm.com