Home Companies Kyowa Electronic Instruments limited

Measuring Instruments DPM-950 SeriesStrain Amplifier

Kyowa Electronic Instruments limited

Measuring Instruments DPM-950 SeriesStrain Amplifier

Country/Region China
Categories Sensors

Product Details

Summary

Built-in HPF cancels the effect of temperature drift
Digital switch makes it easily to confirm the setting values even power off.
High voltage output of ±10 V and high SN ratio

Features

The DPM-950 Series is a Dynamic Strain Amplifier. The carrier-wave amplifier features strong against invert noise.

Products table

All display

DPM-951A
Frequency Response: DC to 2 kHz (Deviation ±10%)

Specifications

Measuring TargetsStrain gage, Strain-gage transducers
Channels1
Applicable Bridge Resistance60 to 1000
Gage Factor2.00 fixed
Bridge Excitation2 V rms, 0.5 V rms switched
Balance Adjustment RangeResistance: Within ±2% (±10000 m/m)
Capacitance: Within 2000 pF
Balance Adjustment MethodResistance: True electron auto-balance method
Accuracy: Within±0.5 m/m
Storage: Written into nonvolatile memory
Capacitance: CST (Auto-tracking) method
Carrier Wave Frequencies5 kHz
Frequency ResponseDC to 2 kHz (Deviation ±10%)
NonlinearityWithin ±0.1% FS
Output ImpedanceApprox.2
Calibration Strain±(1 to 9999m/m)
Setting: CAL switch (4-digital switch)
Accuracy: Within ±(0.5% + 0.5 m/m)
Sensitivity AdjustmentCAL switch and VOLTAGE OUT switch Amplifier sensitivity is set in combination with CAL and VOLTAGE OUT switches (4-digit digital switches)
CAL switch range: 1 m/m steps up to 100 to 9999m/m
VOLTAGE OUT switch range: 0.01 V steps up to 1.00 to 10.00 V
Accuracy: Within ±0.5
Range: X200 to X20000
Fine Sensitivity Adjustment1 to 1/2.5
LPFTransfer Characteristics2nd Order Butterworth
Cutoff Frequencies10, 30, 100, 300, 1k Hz, and FLAT - 6 steps
Cutoff Accuracy-3±1 dB
Attenuation(-12±1) dB/oct (Except set to 1 kHz)
HPFCutoff Frequencies0.2 Hz and off (2 steps)
OutputOUTPUT A10 V (Load resistance 5 kor more)
OUTPUT B10 V (Load resistance 5 kor more)
SN Ratio58 dBp-p or more
StabilityTemperature
Zero point0.1 m/m/C
Sensitivity0.05%/C
Time
Zero point0.5 m/m/24h
Sensitivity0.3%/24h
Power supply
Zero point0.05%FS/power fluctuation ±10%
Sensitivity0.05%/power fluctuation ±10%
Withstand VoltageAC 1000 VA for 1 minute between measuring bridge and case
AC 1000 VA for 1 minute between AC power supply and case
Output Voltage Indication4 1/2-digit (7-segment LED) indicator 11-segment LED bar graph meter
Over Input IndicationOutput voltage indication flickers(4 1/2-digit digitalindication only)
Check FunctionsBridge check
Key-lock FunctionsLocks all keys other than POWER switch
(Allows settings on digital CAL and VOLTAGE OUT switches to be changed)
Remote Sensing ModesPerforms BAL, CAL and key-lock
TEDSReads TEDS information and sets VOLTAGE OUT as rated output
Actual Load CalibrationRegisters VOLTAGE OUT data as output signals by the actual load applied
Operating Temperature/Humidity-10 to 50C,20 to 85%RH ( no condensation)
Power Supply115 VAC: Type 104 to 126 VAC
AC 200 V: Type (AC 180 to 220 V)
AC 230 V: Type (AC 207 to 253 V)
10.5 to 15 VDC (Approx. 0.6 A/12 VDC)
WeightApprox. 1.2 kg
Standard AccessoriesOutput cable U-08 (1.5 m), U-59 (1.5 m), 1 each
AC power cable P-25 (With 2-pin conversion plug CM-39),
Fuse (Midget type 0.5 A, 1 A)
Instruction manual, simple manual sticker
Optional AccessoriesExtension cables N-81 (5 m) to N-85 (50 m)
Bridge boxes DB, DBB, and DBS
Housing case YC-A
Noise filter F-7B, F-BNC
Amplifier stand FA

Dimensions

DPM-952A
Frequency Response: DC to 5 kHz (Deviation ±10%)

Specifications

Measuring TargetsStrain gage, Strain-gage transducers
Channels1
Applicable Bridge Resistance60 to 1000
Gage Factor2.00 fixed
Bridge Excitation2 V rms, 0.5 V rms switched
Balance Adjustment

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