DPM-900 Series
Strain Amplifier

  • TEDS

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
· Broad frequency response DC to 10 k Hz (913C)

Features

The DPM-900 Series is a Dynamic Strain Amplifier. The carrier-wave amplifier features highly accurate, excellent stable, and easy setting.

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All display

DPM-911B
Frequency Response: DC to 2.5 kHz

  • TEDS

Specifications

Measuring Targets Strain gage, Strain-gage transducers
Channels 1
Applicable Bridge Resistance 60 Ω to 1000 Ω
Gage Factor 2.00 fixed
Bridge Excitation 2 V rms, 0.5 V rms switched
Carrier Wave Frequencies 5 kHz
Frequency Response DC to 2.5 kHz
Balance Adjustment Range Resistance: Within ±2% (±10000 μm/m)
Capacity: Within 2000 pF
Balance Adjustment Method Resistance: Pure electronic auto balance
Accuracy: Within±0.5 μm/m
Storage: Written to nonvolatile memory
Capacitance: CST method (Automatic tracking)
Nonlinearity Within ±0.1% FS
Output Impedance Approx. 2 Ω
Calibration Strain ±(1 to 9999μm/m)
Setting: CAL switch (4-digital switch)
Accuracy: Within ±(0.5% + 0.5 μm/m)
Sensitivity Adjustment CAL 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 μm/m steps up to 100 to 9999μm/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 Adjustment 1 to 1/2.5
LPF Transfer Characteristics : 2nd Order Butterworth
Cutoff Frequencies : 10, 30, 100, 300, 1k Hz, and FLAT - 6 steps
Cutoff Accuracy : -3±1 dB
Attenuation : (-12±1) dB/oct (Except set to 1 kHz)
HPF Cutoff Frequencies : 0.2 Hz and off (2 steps)
Output OUTPUT A : ±10 V (Load resistance 5 kΩor more)
OUTPUT B : ±10 V (Load resistance 5 kΩor more)
SN Ratio 60 dBp-p or more
Stability Temperature
Zero point: ±0.1 μm/m/ºC
Sensitivity: ±0.05%/ºC
Time
Zero point: ±0.5 μm/m/24h
Sensitivity: ±0.2%/24h
Power supply
Zero point: ±0.05%FS/power supply variation ±10%
Sensitivity: ±0.05%/power supply variation ±10%
Withstand Voltage AC 1000 VA for 1 minute between measuring bridge and case
AC 1000 VA for 1 minute between AC power supply and case
Output Voltage Indication 4 1/2-digit (7-segment LED) indicator 11-segment LED bar graph meter
Over Input Indication Output voltage indication flickers (4 1/2-digit digitalindication only)
Check Functions Bridge check
Key-lock Functions Locks all keys other than POWER switch
(Allows settings on digital CAL and VOLTAGE OUT switches to be changed)
Remote Sensing Modes Performs BAL, CAL and key-lock
TEDS Reads TEDS information and sets VOLTAGE OUT as rated output
Actual Load Calibration Registers VOLTAGE OUT data as output signals by the actual load applied
Operating Temperature/Humidity -10 to 50ºC, 20 to 85%RH (Noncondensing)
Power Supply 115 V AC: Type 108 to 132 VAC
200 V AC: Type (AC 180 to 220 V)
230 V AC: Type (AC 207 to 253 V)
10.5 V to 15 V DC (Approx. 0.6 A: DC 12 V)
Weight Approx. 1.2 kg
Standard Accessories Output 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 Accessories Extension 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-912B
Frequency Response: DC to 5 kHz

  • TEDS

Specifications

Measuring Targets Strain gage, Strain-gage transducers
Channels 1
Applicable Bridge Resistance 60 Ω to 1000 Ω
Gage Factor 2.00 fixed
Bridge Excitation 2 V rms, 0.5 V rms switched
Carrier Wave Frequencies 12 kHz
Frequency Response DC to 5 kHz
Balance Adjustment Range Resistance: Within ±2% (±10000 μm/m)
Capacity: Within 2000 pF
Balance Adjustment Method Resistance: Pure electronic auto balance
Accuracy: Within±0.5 μm/m
Storage: Written to nonvolatile memory
Capacitance: CST method (Automatic tracking)
Nonlinearity Within ±0.1% FS
Output Impedance Approx. 2 Ω
Calibration Strain ±(1 to 9999μm/m)
Setting: CAL switch (4-digital switch)
Accuracy: Within ±(0.5% + 0.5 μm/m)
Sensitivity Adjustment CAL 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 μm/m steps up to 100 to 9999μm/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 Adjustment 1 to 1/2.5
LPF Transfer Characteristics : 2nd Order Butterworth
Cutoff Frequencies : 10, 30, 100, 300, 1k Hz, and FLAT - 6 steps
Cutoff Accuracy : -3±1 dB
Attenuation : (-12±1) dB/oct
HPF Cutoff Frequencies : 0.2 Hz and off (2 steps)
Output OUTPUT A: ±10 V (Load resistance 5 kΩor more)
OUTPUT B: ±10 V (Load resistance 5 kΩor more)
SN Ratio 60 dBp-p or more
Stability Temperature
Zero point: ±0.1 μm/m/ºC
Zero point: ±0.2 μm/m/ºC (913B)
Sensitivity: ±0.05%/ºC
Time
Zero point: ±0.5 μm/m/24h
Zero point: ±1.0 μm/m/24h (913B)
Sensitivity: ±0.2%/24h
Power supply
Zero point: ±0.05%FS/power supply variation ±10%
Sensitivity: ±0.05%/power supply variation ±10%
Withstand Voltage AC 1000 VA for 1 minute between measuring bridge and case
AC 1000 VA for 1 minute between AC power supply and case
Output Voltage Indication 4 1/2-digit (7-segment LED) indicator 11-segment LED bar graph meter
Over Input Indication Output voltage indication flickers (4 1/2-digit digitalindication only)
Check Functions Bridge check
Key-lock Functions Locks all keys other than POWER switch
(Allows settings on digital CAL and VOLTAGE OUT switches to be changed)
Remote Sensing Modes Performs BAL, CAL and key-lock
TEDS Reads TEDS information and sets VOLTAGE OUT as rated output
Actual Load Calibration Registers VOLTAGE OUT data as output signals by the actual load applied
Operating Temperature/Humidity -10 to 50ºC, 20 to 85%RH (Noncondensing)
Power Supply 115 V AC: Type 108 to 132 VAC
200 V AC: Type (AC 180 to 220 V)
230 V AC: Type (AC 207 to 253 V)
10.5 V to 15 V DC (Approx. 0.6 A: DC 12 V)
Weight Approx. 1.2 kg
Standard Accessories Output 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 Accessories Extension 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

DPM-913B
Frequency responsee: DC to 10 kHz

  • TEDS

Specifications

Carrier Wave Frequencies 28 kHz
Frequency Response DC to 10 kHz
SN Ratio 57 dBp-p or more
Measuring Targets Strain gage, Strain-gage transducers
Channels 1
Applicable Bridge Resistance 60 Ω to 1000 Ω
Gage Factor 2.00 fixed
Bridge Excitation AC 2 V rms, 0.5 V rms switched
Balance Adjustment Range Resistance: Within ±2% (±10000 μm/m)
Capacity: Within 2000 pF
Balance Adjustment Method Resistance: Pure electronic auto balance
Accuracy: Within±0.5 μm/m
Storage: Written to nonvolatile memory
Capacitance: CST method (Automatic tracking)
Nonlinearity Within ±0.2% FS
Output Impedance Approx. 2 Ω
Calibration Strain ±(1 to 9999μm/m)
Setting: CAL switch (4-digital switch)
Accuracy: Within ±(0.5%+1 μm/m)(913B)
Sensitivity Adjustment CAL 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 μm/m steps up to 100 to 9999μm/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 Adjustment 1 to 1/2.5
LPF Transfer Characteristics : 2nd Order Butterworth
Cutoff Frequencies : 10, 30, 100, 300, 1k Hz, and FLAT - 6 steps
Cutoff Accuracy : -3±1 dB
Attenuation : (-12±1) dB/oct
HPF Cutoff Frequencies : 0.2 Hz and off (2 steps)
Output OUTPUT A: ±10 V (Load resistance 5 kΩor more)
OUTPUT B: ±10 V (Load resistance 5 kΩor more)
Stability Temperature
Zero point: ±0.2 μm/m/ºC
Sensitivity: ±0.05%/ºC
Time
Zero point: ±1.0 μm/m/24h
Sensitivity: ±0.3%/24h
Power supply
Zero point: ±0.05%FS/power supply variation ±10%
Sensitivity: ±0.05%/power s
Withstand Voltage AC 1000 VA for 1 minute between measuring bridge and case
AC 1000 VA for 1 minute between AC power supply and case
Output Voltage Indication 4 1/2-digit (7-segment LED) indicator 11-segment LED bar graph meter
Over Input Indication Output voltage indication flickers(4 1/2-digit digitalindication only)
Check Functions Bridge check
Key-lock Functions Locks all keys other than POWER switch
(Allows settings on digital CAL and VOLTAGE OUT switches to be changed)
Remote Sensing Modes Performs BAL, CAL and key-lock
TEDS Reads TEDS information and sets VOLTAGE OUT as rated output
Actual Load Calibration Registers VOLTAGE OUT data as output signals by the actual load applied
Operating Temperature/Humidity -10 to 50ºC, 20 to 85%RH (Noncondensing)
Power Supply 115 V AC: Type 108 to 132 VAC
200 V AC: Type (AC 180 to 220 V)
230 V AC: Type (AC 207 to 253 V)
10.5 V to 15 V DC (Approx. 0.6 A: DC 12 V)
Weight Approx. 1.2 kg
Standard Accessories Output 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 Accessories Extension 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

DPM-913C
Frequency response: DC to 10 kHz

DPM-913C
  • TEDS

Specifications

Measuring Targets Strain gage, Strain-gage transducers
Channels 1
Applicable Bridge Resistance 60 to 1000 Ω
Gage Factor 2.00 fixed
Bridge Excitation Voltage: 2, 0.5 Vrms, switchable
Frequency: 28 kHz sine wave
Balance Adjustment Range Resistance: Within ±2% (±10k ×10-6 strain)
Capacity: Within 2000 pF
Balance 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)
Storage: Written into nonvolatile memory
Capacitance: CST method (Auto-tracking)
Nonlinearity Within ±0.2% FS
Output Impedance Approx. 2 Ω
Calibration Strain 1 ×10-6 strain steps within ± (1 to 9999) ×10-6 strain
[Setting: CAL switch (4-digit digital switch)]
Accuracy: Within ± (0.5% + 1.0 ×10-6 strain)
Applicable scope of CAL Accuracy: ± (10 to 9999) ×10-6 strain
Sensitivity Adjustment The amplifier sensitivity is set in combined with
the CAL and VOLTAGE OUT switches (4-digit digital switch)
CAL switch range: 1 ×10-6 strain steps up to 100 to 9999 ×10-6 strain
VOLTAGE OUT switch range: 0.01 V steps up to 1.00 to 10.00 V
[Condition: When 500 ×10-6 strain is input, outputs 10.00 V
(× 20000) to 5000 ×10-6 strain is input, outputs 1.00 V (× 200)]
[Setting Example: When 500 is set to CAL, VOLTAGE OUT is 10.00 (× 20000) to 5000 is set to CAL, VOLTAGE OUT is 1.00 (× 200)]
Accuracy: Within ±0.5 %
Fine Sensitivity Adjustment Range: 1 to 1/2.5
Frequency Response DC to 10 kHz
Deviation: ±10 %
LPF Transfer Characteristics : 2nd Order Butterworth
Cutoff Frequencies : 10, 30, 100, 300, 1k Hz, and FLAT, 6 steps
Amplitude Ratio : -3±1 dB, at cutoff point
Attenuation : (-12±1) dB/oct
HPF Cutoff Frequencies : 0.2 Hz and off (2 steps)
SN Ratio 48 dBp-p or more (RTI: Within 3.9 ×10-6 strain p-p)
[When 500 ×10-6 strain is input, outputs 10.00 V.]
53 dBp-p or more
[When 1000 ×10-6 strain is input, outputs 10.00 V.]
[Common Condition]
Excitation Voltage: 2 Vrms,
Bridge Resistance: 120 Ω, LPF = FLAT
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: ±0.2 ×10-6 strain/ºC
Sensitivity: ±0.05%/ºC
Time
Zero point: ±1.0 ×10-6 strain/24h
Sensitivity: ±0.3%/24h
Power supply
Zero point: ±0.05%FS/power fluctuation ±10%
Sensitivity: ±0.05%/power fluctuation ±10%
Withstand Voltage AC 1000 VA for 1 minute between measuring bridge and case
AC 1000 VA for 1 minute between AC power supply and case
Output Voltage Indication 4 1/2-digit (7-segment LED) indicator 11-segment LED bar graph meter
Over Input Indication Output voltage indication flickers(4 1/2-digit digital indication only)
Check Functions Bridge check
Sensor Connection Check Functions When the input is open, output saturates to the negative side.
Key-lock Functions Setting methods other than POWER switch become invalid
(However, the setting values of the CAL and VOLTAGE OUT switches can be changed.)
Remote Sensing Modes Capable of controlling the following functions
Balance adjustment (BAL)
Addition of the calibration signal (CAL)
Key lock
Synchronization Method Automatically determines internal (INT) or external (EXT) and manual setting
TEDS Read the TEDS information of the TEDS-compatible sensor and set the rated output to the output voltage of the VOLTAGE OUT switch
(Condition: Within the setting range of the sensitivity adjuster)
Actual Load Calibration Set the actual load to the output voltage of the VOLTAGE OUT switch
(Condition: Within the setting range of the sensitivity adjuster)
Vibration Resistance 5 to 200 Hz, 29.4 m/s2 (3G)
X, Y, and Z directions: 12 cycles with 10 minutes/cycle
Shock Resistance 15 G, 11 ms or less
X, Y, and Z directions: each 3 times
Operating Temperature 10 to 50 ºC
Operating Humidity 20 to 85 %RH (noncondensing)
Power Supply 90 to 110 VAC (Approx. 12 VA: 100 VAC)
10.5 to 15 VDC (Approx. 0.6 A: 12 VDC)
The following products are also available upon request.
DPM-913C A115: 108 to 132VAC
DPM-913C A200: 180 to 220VAC
DPM-913C A230: 207 to 253VAC
Dimensions 49 (W) × 128.5 (H) × 262.5 (D) mm
(Excluding protrusions)
Weight Approx. 1.2 kg
Standard Accessories Output cable U-08 (1.5 m)
Output cable U-59 (1.5 m)
AC power cable P-25 (With 2-pin conversion plug CM-52),
Fuse (Midget type 0.5, 1 A)
Instruction manual
Simple manual sticker

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