Strain Calibrators

Automatic calibrator CBA-2310A

The CBA-2310A is a strain calibrator capable of on-line calibration, which is optimum for automatic inspection and calibration of static and dynamic strainmeters. As the calibrator can generate dynamic output at a set frequency, frequency characteristics of dynamic strainmeter can also be confirmed. 　

CBA-2310A
Features
  • Simultaneous calibration of 10 channels is possible for static/dynamic strainmeter or switching box
  • Computer control possible
  • Generation of dynamic output
  • High resolution
  • Excellent stability

  • Specifications
    Type CBA-2310A
    Number of outputs Strain: 10
    Voltage: 10
    Bridge resistance Input (A-C) 120Ω,350Ω switchable
    Output (B-D) 105Ω±20Ω
    Bridge configuration Full bridge
    Bridge excitation DC excitation: 10V DC max.
    5kHz excitation: 5Vrms max.
    20kHz excitation: 2Vrms max.
    Dimensions 330 (W)x130 (H)x240 (D)mm
    Weight Approx. 6 kg
    Power source AC100 to 240V 50/60Hz

Strain Calibrator CBA-131A

The CBA-131A is a full bridge strain calibrator for static and dynamic strainmeters. The input bridge resistance can be switched between 120Ω and 350Ω, and the bridge excitation is available in both constant voltage and constant current.

Strain Calibrator CBA-131A
Features
  • Computer control possible (via RS-232C)
  • Wide calibration range (±1000000×10-6 strain)
  • High resolution (1/100000, 0.1×10-6 strain at the maximum)
  • Excellent stability
  • Usable as a standard power source of ±20V (0.1mV resolution)
    (Also usable as a constant current output)
  • 120Ω, 350Ω switchable

  • Specifications
    Type CBA-131A
    Bridge resistance 120Ω, 350Ω switchable
    Bridge configuration Full bridge
    Bridge excitation 10V max.
    Dimensions 140(W)x100(H)x220(D)mm
    Weight 2 kg
    Power source AC90 to 110V (50/60Hz)
    15VA max.

Strain Calibrator CBM-122A/352A/123A/353A

CBM-122A／CBM-352A
These are highly stable strain calibrators used for operation check and sensitivity calibration of static and dynamic strainmeters (bridge excitation frequency of 20 kHz or lower). Bridge resistances are 120 Ω for CBM-122A, and 350 Ω for CBM-352A, and calibration by full bridge method is possible.

CBM-123A／CBM-353A
These are highly stable strain calibrators used for operation check and sensitivity calibration of static strainmeters and switchboxes. Bridge resistances are 120 Ω for CBM-123A, and 350 Ω for CBM-353A, and calibration by quarter bridge, quarter bridge 3-wire, half bridge, full bridge methods is possible.

Strain Calibrator CBM-122A/-352A/-123A/-353A
Features
  • Wide calibration range 
    CBM-122A/CBM-352A (±100 to ±40000x10-6 strain) 
    CBM-123A/CBM-353A (±500 to ±100000x10-6 strain)

  • Specifications
    Type CBM-122A CBM-352A CBM-123A CBM-353A
    Bridge resistance 120Ω 350Ω 120Ω 350Ω
    Bridge configuration Full bridge Quarter, Quarter 3-wire, Half, and Full bridge
    Dimensions 210(W)x84(H)x158(D)mm
    Weight Approx. 1.4 kg Approx. 1.6 kg

Strain Calibrator CB-2R

This is a highly stable strain calibrator suited to sensitivity calibration and zero shift monitoring of strainmeters. Bridge resistance value is 120 Ω or 350 Ω, and switch operation produces two differing calibration values.

Strain Calibrator CB-2R
Features
  • Bridge resistance of 120Ω or 350Ω (to be selected when ordering)
  • Two calibration values (to be selected from the specified values when ordering)
  • Switching terminal connections allows calibration by quarter bridge, quarter bridge 3-wire, half bridge, and full bridge methods.

  • Specifications
    Type CB-2R
    Bridge resistance 120Ω or 350Ω(to be specified when ordering)
    Bridge configuration Quarter, Quarter 3-wire, Half, and Full bridge
    Dimensions 100(W)×45(H)×70(D) mm
    Weight Approx. 500 g

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