日本共和KYOWA应变放大器DPM-951A A230

日本共和KYOWA应变放大器DPM-951A A230

High stabilityHigh accuracyEasy operation●Easy operation greatly reduce the working hours.●Digital switch makes setting easy and the valueset is easily seen even when power is off.●High voltage output of ±10 V and high SN ratioare ensured.●Vertical bar meter is easy to check.●The HPF cancels the effect of slow changes, suchas temperature drift of gages or sensors.●Sensitivity of TEDS compatible transducers isautomatically registered.●Input and output are isolated.●Sensitivity is automatically set with the actual loadcalibration function.●Built-in check function on bridge circuit●Broad frequency response DC to 10 k Hz (913C)

SpecificationsMeasuring Targets Strain gages, strain-gage transducersChannels 1 Simultaneous operation is available by using multiple units.Applicable Bridge Resistance 60 to 1000 ΩGage Factor 2.00 fixedBridge Excitation 2 Vrms, 0.5 Vrms, switchableBalance Adjustment Resistance: Within ±2% (±10000 ×10-6 strain) Capacity: Within 2000 pFBalance Adjustment Method Resistance: Auto balance Accuracy: Within ±0.5 ×10-6 strain (When 500 ×10-6 strain is input, outputs 10 V, excitation voltage: 2 Vrms) Capacitance: CST method (Capacitance self-tracking)Nonlinearity Within ±0.1% FS Within ±0.2% FS (913C)Output Impedance Approx. 2 ΩCalibration Strain (CAL) ±(1 to 9999 ×10-6 strain) Setting: CAL switch (4-digital switch) Accuracy: Within ±(0.5% + 0.5 ×10-6 strain) Within ±(0.5% + 1 ×10-6 strain)(913C) Applicable scope of CAL accuracy: ±(10 to 9999) ×10-6 strainSensitivity Adjustment Sensitivity is set in combination with CAL and VOLTAGE OUT switches (4-digit digital switches). CAL switch range: 100 to 9999 ×10-6 strain by 1 ×10-6 strain step VOLTAGE OUT switch range: 1.00 to 10.00 by 0.01 V step Accuracy: Within ±(0.5 % +5 mV) Range: ×200 to ×20000Fine Sensitivity Adjustment Range: 1 to 1/2.5Frequency Response See table below. Deviation: ±10%LPF Transfer characteristic: 2nd order Butterworth　 Cutoff frequencies: 10, 30, 100, 300 Hz, 1 k Hz and FLAT - 6 steps　 Amplitude ratio at cutoff point: -3 ±1 dB　 Attenuation: -12 ±1 dB/oct. (Except when DPM-911B is set to 1 kHz)HPF Cutoff frequencies: 0.2 Hz, OFF - 2 stepsSN Ratio See table below.Output OUTPUT A: ±10 V (Load resistance 5 kΩ or more)OUTPUT B: ±10 V (Load resistance 5 kΩ or more)Stability Temperature Zero point: Within ±0.1 ×10-6 strain per °CZero point: Within ±0.2 ×10-6 strain per °C (913C)Sensitivity: Within ±0.05%/°CTime Zero point: Within ±0.5 ×10-6 strain/24 hZero point: Within ±1.0 ×10-6 strain/24 h (913C)Sensitivity: Within ±0.3%/24hPower supply Zero point: Within ±0.05% FS/power fluctuation ±10%Sensitivity: Within ±0.05%/power fluctuation ±10%Withstand Voltage 1000 VAC for 1 minute between measuring bridge and case 1000 VAC for 1 minute between AC power supply and caseOutput Voltage Indication 4½ digit digital display (7-segment LED) 11-segment LED bar meterOver Input Indication Output voltage display flashing (4½ digit digital display only)Check Functions Bridge checkInput Open Detection Function When the input is open, output saturates to the negative side. (913C only)Key Lock Functions Locks all keys other than POWER switch. (Allows settings on CAL and VOLTAGE OUT switches to be changed.)Remote Functions Capable of controlling the following functions. Balance adjustment execute (BAL), calibration strain output execute (CAL), key lockSynchronization Method Automatically determines internal (INT) or external (EXT) and manual setting.TEDS Reads the sensor TEDS information, and sets the rated output to the VOLTAGE OUT output voltage.