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Products

Calibration unit for strain gage full bridge measuring amplifiers K148

Special features

  • Simulation of the defined output signals of strain gage full bridges
  • 8 channels can be connected in series
  • Computer control or manual operation
  • For DC amplifiers and carrier frequency amplifiers up to 5 kHz
  • Calibration values in 5 x 10 steps of "0.2 to "100 mV/V

Type

K148

Accuracy class

0.0025

0.01

Permissible frequency range of external excitation voltages Strain gage equivalent resistance (full bridge)

Nominal (rated) value of the excitation voltage Maximum permissible excitation voltage

Hz Ω V V

225...600

DC, >600... 5000

350

5

10

Calibration steps

5 range steps

11 percentage steps within the range steps

Polarity switch

mV/V

%

±2; ±5; ±10; ±20; ±100

0; 10; 20; ...100

Positive or negative output signal

Absolute calibration of range span

of range step 2 mV/V at 23 °C

Grading error of range steps

relative to the full-scale value concerned

Grading error of percentage steps (linearity deviation) relative to the full-scale value concerned

Influence of temperature on absolute calibration per 10K,

in the nominal (rated) temperature range

%

%

%

%

< ±0.0025

< ±0.0025

< ±0.0025

< ±0.0025

< ±0.01

< ±0.01

< ±0.01

< ±0.01

Nominal (rated) temperature range Operating temperature range Storage temperature range

°C

°C

°C

+10...+40

0...+60

-25...+70

Supply voltage Dimensions (H x W x D)

K148 calibration unit

Power supply unit

Weight, approx. K148 calibration unit Power supply unit

V

mm mm

kg kg

+12

75 x 330 x 270

60 x 120 x 69

3

0.5

Calibration unit for strain gage full bridge measuring amplifiers K148 - datasheet PDF, 0.3 Kb