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Hottinger Baldwin Messtechnik GmbH, Germany
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Products

Force Transducer BU18

Special features

  • Measurement of compressive forces 
  •  Nominal (rated) force 3 MN 
  • Based on 3 force transducers (1 MN), for subsequent measurements on calibration machines with lower nominal (rated) forces
  • Complete with all force application parts
  • Compact, weight and space−saving design 
  • Class 00 to ISO 376 (in combination with PTB calibration certificate)

 

Type

BU18 / 3 MN

Data per VDI 2638 and ISO 376

Nominal (rated) force

Fnom

kN

3000

Class under ISO 376 (0.2 Fnom to Fnom)

001)

Nominal (rated) sensitivity

Cnom

mV/V

2

Rel. sensitivity deviation

dc

%

< ±0,1

Rel. deviation from zero

ds,o

mV/V

< ±1

Relative reproducibility and repeatability errors

b’

%

< ±0,015

(0.2Fnom to Fnom) for:

a constant mounting position

varying mounting positions

b

%

< ±0,04

Relative deviation from fitting curve (0.2Fnom to Fnom)

fc

%

< ±0,02

Relative zero error (zero signal return)

fo

%

< ±0,008

Relative reversibility error (0.2Fnom to Fnom)

ν

%

< ±0,06

Relative linearity error

dlin

%

< ±0,025

Effect of temperature on sensitivity, per 10 K, related

TKc

%

< ±0,01

to nominal (rated) sensitivity

Effect of temperature on zero signal per 10 K, related

to nominal (rated) sensitivity

TK0

%

< ±0,01

Relative creep over 30 min

dcrF+E

%

< ±0,03

Effect of lateral forces (lateral force 10% Fnom)

dQ

%

< 0,1

Effect of eccentricity per mm

dE

%

< 0,02

Input resistance

Ri

Ω

4450 ± 100

Output resistance

Ro

Ω

4010 ± 2

Insulation resistance

Ris

Ω

> 50 x 109

Reference excitation voltage

Uref

V

5

Operating range of the excitation voltage

BU,G

V

5...30

Carrier frequency of excitation voltage

Hz

< 600

Nominal (rated) temperature range

Bt,nom

°C

+10 ... +40

Operating temperature range

Bt,G

°C

−30 ... +80

Storage temperature range

Bt,S

°C

−50 ... +85

Reference temperature

tref

°C

+22

Max. operating force

(FG)

%

170

Limit force

(FL)

%

170

Breaking force

(FB)

%

400

Permissible horizontal displacement of top plate

eG

mm

<±2

Nominal (rated) displacement

Snom

mm

0.45

Weight (with VKK, without carrying case)

kg

107

Degree of protection per DIN 60529

IP53

Force Transducer BU18 - datasheet PDF, 0.15 Kb