Datasheet U2B Datasheet (Hottinger Baldwin Messtechnik)

U2B

Force Transducers

Special features

– Tensile / compressive force

transducers made from stain­less materials

– Nominal forces 500 N ... 200 kN
– Integrated lateral force compen-

sation

– Low overall height

Data Sheet

Dimensions (in mm; 1 mm= 0.03937 inches)

45_
offset

Rated force ∅A

0.5-5 kN 4.2
10 kN
20 kN 90 112 33 72 38 2 70 4xM10 20.5 63.5 10.6 M20x1.5 15 10 55 30 17 34 300
50 kN 100 141 40 86 47 6 78 4xM12 19 68 13.2 M24x2 20 12 61 36 20 42

100 kN 135 197 68 122 67 17 105 8xM12 16 85.5 19 M39x2 29 19 79 60
200 kN 155 232 82 142 85 19 125 8xM16 26 95.5 24.2 M48x2 32 22 97 70 2.2 43 84 4500

B ∅C D E F ∅G H J K L M N O ∅S

–0.2

50 72 21 47 24 1.5 42 4xM5 13 43.5

M

see table

A

Lock nut

Ball R

Silicone cable Ø 6.5 mm

M12 19 6 34 19

7.6

H8

SW T ∅U ∅V X Y MA (Nm) Ball R

f8

9.5 22 20 35 60 60

1.6

2

36 70 2500

30 50

500

100

160

20 U2B.21 en

Specifications

Force transducer type U2B
Rated force F

nom

Class of accuracy 0.2 0.1
Rated sensitivity C

nom

rel. tensile/compressive sensitivity variance d
rel. zero signal variance d

Rel. inversion span (0.2F

nom

to F

)/hysteresis u % <0.2 <0.15

nom

Linearity variation d
Influence of temperature on sensitivity/10 K

relative to nominal sensitivity

TK

Influence of temperature on the zero signal/10 K

relative to nominal sensitivity

TK

Influence of eccentricity (1 mm) d
Influence of lateral force (lateral force 10 % F
Rel. creep over 30 min d

nom

1)

)

d

crF+E

Input resistance R
Output resistance R
Insulation resistance R
Reference excitation voltage U
Service range of excitation voltage B
Rated temperature range B

U,G
t,nom

Service temperature range B
Storage temperature range B
Reference temperature t
Max. operating force (FG) % 130 150
Breaking force (FB) % >300
Static lateral force limit
Nominal displacement S

1)

(FQ) % 25

nom

Fundamental resonance frequency f
Weight kg 0.8 2.9 4.3 10.7 15.9
Rel. permissible vibration loading F
Protection system according to DIN EN 60529 – – IP67
Length of cable, 6-wire connection – – 3 m 6 m 12 m

1)

relative to a force introduction 20 mm over the membrane

3)

Class 120 °C version optional

kN 0.5 1 2 5 10 20 50 100 200

mV/V 2

% <0.2/1.5 <0.2/0.5

c

% <1

s,o

% <0.2 <0.1

lin

% 0.1

c

% 0.05

0

% 0.05

E

% 0.1

Q

%
Ω >345

i

Ω 300...400

o

Ω >2⋅10

is

V 5

ref

<± 0.06

9

T V 0.5...12

°C –10...+70
°C –30...+85 (120)

t,G

°C –50...+85

t,S

°C +23

ref

3)

mm <0.1 <0.07 <0.09
kHz 4 6 8.7 14 17.5 8 8.5 6 5.6

G

% 100 160

rb

Cable wiring assignment (six wire connection)

WH (white)
BK (black)

RD (red)
BU (blue)
GN (green)

GY (grey)
YE (yellow)

Measuring signal (+) U
Bridge excitation voltage (–) U

Measuring signal (–) U
Bridge excitation voltage (+) U

A

B

A

B

Sense lead (+)
Sense lead (–)

Cable shielding, connected to housing

D 20.U2B.21 enHBM 2

Aid to installation (dimensions in mm)

Knuckle eye ZGOW Knuckle eye ZGUW

Central
mounting ring

Material: tempered steel, galvanised; rolled steel and Teflon/bronze fabric foil

Central
mounting ring

Rated force

in kN

Order No.

Knuckle eye ZGOW

Weight

in kg

A ∅B D F G H ∅K M SW W

0.5...10 1-U2A/1t/ZGOW 0.2 22 12
20 1-U2A/2t/ZGOW 0.5 33 20
50 1-U2A/5t/ZGOW 0.8 42 25

100 1-U2A/10t/ZGOW 3.2 50
200 1-U2A/20t/ZGOW 4.8 60

Rated force

in kN

Order No.

Knuckle eye ZGOW

Weight

in kg

50
60

A ∅B D F G H M SW W X

0.5...10 1-U2A/1t/ZGUW 0.1 33.5 12
20 1-U2A/2t/ZGUW 0.2 48.8 20
50 1-U2A/5t/ZGUW 0.4 57.5 25

100 1-U2A/10t/ZGUW 1.1 65.5
200 1-U2A/20t/ZGUW 3.2 80

50
60

U2B force transducer
complete with knuckle eyes ZGOW, ZGUW

Rated force

in [kN]

0.5...10 139 156 171 188 9.6 9.6 25
20 212 234 262 284 16 16 40
50 260 288 320 348 19.2 19.2 55

100 418 436 541 559 27 31.2 75
200 466 489 602 625 36.6 38.4 90

A

minAmaxFminFmax

Minimum

screwed-in

depth

b c

H7
H7
H7

+0.002

-0.014
+0.003

-0.018

H7
H7
H7

+0.002

-0.014
+0.003

-0.018

Maximum

screwed-in

depth

32 50 66 12 22 M12 19 16
50 77 102 18 34 M20x1.5 32 25
60 94 124 22 42 M24x2 36 31

115 151 212.5 28 65 M39x2 60 35
126 167 235 36 82 M48x2 70 44

32 54.5 70.5 12 M12 19 16 7
50 79.8 104.8 18 M20x1.5 30 25 9
60 94.5 124.5 22 M24x2 36 31 10

115 148.5 210 28 M39x2 60 35 16
126 168 236 36 M48x2 75 44 18

ZGOW

B

F

A

C

ZGUW

D 20.U2B.21 en HBM

3

Mounting accessories, continued (dimensions in mm)

U2B with ZGOW,
without adapter

*

Recommended dimension in relation

offset 45° or 22.5°

M

A

K*

to minimum screwed-in depth

Rated force in kN

D ∅G H J K ∅S MA1) [Nm]

0.5...10 47 42 4xM5 13 84...86.4 34 5
20 72 70 4xM10 20.5 131.6 55 35
50 86 78 4xM12 19 158.2 61 60

100 122 105 8xM12 16 244 79 60
200 142 125 8xM16 26 270.2 97 150

1)

Recommended values when using a torque wrench on dry thread

∅

∅

Base plate,
not in scope of supply

Options

• Service temperature range uprated to 120 °C

Accessories, additional:

• Knuckle eye U2B, upper, U2A/.../ZGOW

• Knuckle eye U2B, lower, U2A/.../ZGUW

Modifications reserved.
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.

D 20.U2B.21 en

Hottinger Baldwin Messtechnik GmbH

Postfach 10 01 51, D-64201 Darmstadt
Im Tiefen See 45, D-64293 Darmstadt
Tel.: [phone]; Fax: [phone]
E–mail: [e-mail] www.hbm.com