DPM-900 Series
Strain Amplifier

  • TEDS

DPM-900 Series

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.

Relative images

DPM-900 series

Products table

All display

DPM-911B
Frequency Response: DC to 2.5 kHz

  • TEDS

Specifications

Carrier Wave Frequencies 5 kHz
Measuring Targets Strain gages, strain-gage transducers
Channels 1
Simultaneous operation is available by using multiple units.
Compatible Bridge Resistance 60 to 1000 Ω
Gage Factor 2.00 fixed
Bridge Excitation 2 Vrms, 0.5 Vrms, switchable
Balance Adjustment Resistance: Within ±2% (±10000 ×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 (Capacitance self-tracking)
Nonlinearity Within ±0.1% FS
Output Impedance Approx. 2 Ω
Calibration Strain (CAL) Within ±(1 to 9999 ×10-6 strain) by 1 ×10-6 strain step
Setting: CAL switch (4-digital switch)
Accuracy: Within ±(0.5% +0.5 ×10-6 strain)
Applicable scope of CAL accuracy: ±(10 to 9999) ×10-6 strain
Sensitivity 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

[Condition]
When 500 ×10-6 strain is input, outputs 10.00 V (× 20000)
When 5000 ×10-6 strain is input, outputs 1.00 V (× 200)
[Setting example]
When 500 is set to CAL, VOLTAGE OUT is 10.00 V (× 20000)
When 5000 is set to CAL, VOLTAGE OUT is 1.00 V (× 200)

Accuracy: Within ±0.5%
 (When bridge power supply is 2 Vrms)
Fine Sensitivity Adjustment Range: 1 to 1/2.5
Frequency Response DC to 2.5 kHz
Deviation: ±10%
LPF Transfer characteristic : 2nd order Butterworth
Cutoff frequencies : 10, 30, 100, 300 Hz, 1k 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 steps
SN Ratio 54 dBp-p or more (RTI: Within 2 ×10-6 strainp-p)
(When 500 ×10-6 strain is input, outputs 10.00 V.)

60 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: Within ±0.1 ×10-6 strain per °C
Sensitivity: Within ±0.05%/ºC

Time
Zero point: Within ±0.5 ×10-6 strain/24 h
Sensitivity: Within ±0.3%/24 h

Power 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 case
Output Voltage Indication 4½ digit digital display (7-segment LED)
11-segment LED bar meter
Over Input Indication Output voltage display flashing
(4½ digit digital display only)
Check Functions Bridge check
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 lock
Synchronization 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.
(Condition: Within the setting range of the sensitivity adjuster)
Actual Load Calibration Sets actual load input to the VOLTAGE OUT output voltage.
(Condition: Within the setting range of the sensitivity adjuster)
Vibration Resistant 5 to 200 Hz, with 29.4 m/s2 (3 G)
in X, Y and Z directions for 12 cycles, 10 min/cycle
Impact Resistant 15 G, 11 ms or less,
in X, Y and Z directions, every 3 cycles
Operating Temperature -10 to 50°C
Operating Humidity 20 to 85% (Non-condensing)
Storage Temperature -30 to 70°C
Power Supply 90 to 110 VAC (Approx. 12 VA: 100 VAC)
10.5 to 15 VDC (Approx. 0.6 A: 12 VDC)

Following models are also available.
DPM-xxxx A115: 108 to 132 VAC
DPM-xxxx A200: 180 to 220 VAC
DPM-xxxx A230: 207 to 253 VAC
xxxx: Part of model, example; 911B
Dimensions 49 W ×128.5 H ×262.5 D mm (Excluding protrusions)
Panel-cut dimensions: 50 W ×113 H mm
Weight Approx. 1.2 kg
Standard Accessories Output cable U-08, U-59, 1 each
AC power cable P-25 (With 2-pin conversion plug CM-52)
Fuse (Midget type 0.5 A, 1 A)
Instruction manual
Simple manual sticker
Optional Accessories Extension cables N-81 to N-85
Bridge boxes DB, DBB, and DBS
Housing case YC-A
Noise filter F-7B, F-BNC
Amplifier stand FA-1B
Shielded conversion cable N-117

Dimensions

DPM-911B

DPM-912B
Frequency Response: DC to 5 kHz

  • TEDS

Specifications

Carrier Wave Frequencies 12 kHz
Measuring Targets Strain gages, strain-gage transducers
Channels 1
Simultaneous operation is available by using multiple units.
Compatible Bridge Resistance 60 to 1000 Ω
Gage Factor 2.00 fixed
Bridge Excitation 2 Vrms, 0.5 Vrms, switchable
Balance Adjustment Resistance: Within ±2% (±10000 ×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 (Capacitance self-tracking)
Nonlinearity Within ±0.1% FS
Output Impedance Approx. 2 Ω
Calibration Strain (CAL) Within ±(1 to 9999 ×10-6 strain) by 1 ×10-6 strain step
Setting: CAL switch (4-digital switch)
Accuracy: Within ±(0.5% +0.5 ×10-6 strain)
Applicable scope of CAL accuracy: ±(10 to 9999) ×10-6 strain
Sensitivity 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

[Condition]
When 500 ×10-6 strain is input, outputs 10.00 V (× 20000)
When 5000 ×10-6 strain is input, outputs 1.00 V (× 200)
[Setting example]
When 500 is set to CAL, VOLTAGE OUT is 10.00 V (× 20000)
When 5000 is set to CAL, VOLTAGE OUT is 1.00 V (× 200)

Accuracy: Within ±0.5%
 (When bridge power supply is 2 Vrms)
Fine Sensitivity Adjustment Range: 1 to 1/2.5
Frequency Response DC to 5 kHz
Deviation: ±10%
LPF Transfer characteristic : 2nd order Butterworth
Cutoff frequencies : 10, 30, 100, 300 Hz, 1k Hz, and FLAT - 6 steps
Amplitude ratio at cutoff point : -3 ±1 dB
Attenuation : -12 ±1 dB/oct.
HPF Cutoff Frequencies : 0.2 Hz, OFF- 2 steps
SN Ratio 52 dBp-p or more (RTI: Within 2.5 ×10-6 strainp-p)
(When 500 ×10-6 strain is input, outputs 10.00 V.)

57 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: Within ±0.1 ×10-6 strain per °C
Sensitivity: Within ±0.05%/ºC

Time
Zero point: Within ±0.5 ×10-6 strain/24 h
Sensitivity: Within ±0.3%/24 h

Power 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 case
Output Voltage Indication 4½ digit digital display (7-segment LED)
11-segment LED bar meter
Over Input Indication Output voltage display flashing
(4½ digit digital display 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 Functions Capable of controlling the following functions.
 Balance adjustment execute (BAL)
 Calibration strain output execute (CAL)
 Key lock
Synchronization 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.
(Condition: Within the setting range of the sensitivity adjuster)
Actual Load Calibration Sets actual load input to the VOLTAGE OUT output voltage.
(Condition: Within the setting range of the sensitivity adjuster)
Vibration Resistant 5 to 200 Hz, with 29.4 m/s2 (3 G)
in X, Y and Z directions for 12 cycles, 10 min/cycle
Impact Resistant 15 G, 11 ms or less,
in X, Y and Z directions, every 3 cycles
Operating Temperature -10 to 50°C
Operating Humidity 20 to 85% (Non-condensing)
Storage Temperature -30 to 70°C
Power Supply 90 to 110 VAC (Approx. 12 VA: 100 VAC)
10.5 to 15 VDC (Approx. 0.6 A: 12 VDC)

Following models are also available.
DPM-xxxx A115: 108 to 132 VAC
DPM-xxxx A200: 180 to 220 VAC
DPM-xxxx A230: 207 to 253 VAC
xxxx: Part of model, example; 912B
Dimensions 49 W ×128.5 H ×262.5 D mm (Excluding protrusions)
Panel-cut dimensions: 50 W ×113 H mm
Weight Approx. 1.2 kg
Standard Accessories Output cable U-08, U-59, 1 each
AC power cable P-25 (With 2-pin conversion plug CM-52)
Fuse (Midget type 0.5 A, 1 A)
Instruction manual
Simple manual sticker
Optional Accessories Extension cables N-81 to N-85
Bridge boxes DB, DBB, and DBS
Housing case YC-A
Noise filter F-7B, F-BNC
Amplifier stand FA-1B
Shielded conversion cable N-117

DPM-913C
Frequency Response: DC to 10 kHz

DPM-913C
  • TEDS

Specifications

Carrier Wave Frequencies 28 kHz
Measuring Targets Strain gages, strain-gage transducers
Channels 1
Simultaneous operation is available by using multiple units.
Compatible Bridge Resistance 60 to 1000 Ω
Gage Factor 2.00 fixed
Bridge Excitation 2 Vrms, 0.5 Vrms, switchable
Balance Adjustment Resistance: Within ±2% (±10000 ×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 (Capacitance self-tracking)
Nonlinearity Within ±0.2% FS
Output Impedance Approx. 2 Ω
Calibration Strain (CAL) Within ±(1 to 9999 ×10-6 strain) by 1 ×10-6 strain step
Setting: CAL switch (4-digital switch)
Accuracy: Within ±(0.5% +1 ×10-6 strain)
Applicable scope of CAL accuracy: ±(10 to 9999) ×10-6 strain
Sensitivity 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

[Condition]
When 500 ×10-6 strain is input, outputs 10.00 V (× 20000)
When 5000 ×10-6 strain is input, outputs 1.00 V (× 200)
[Setting example]
When 500 is set to CAL, VOLTAGE OUT is 10.00 V (× 20000)
When 5000 is set to CAL, VOLTAGE OUT is 1.00 V (× 200)

Accuracy: Within ±0.5%
Fine Sensitivity Adjustment Range: 1 to 1/2.5
Frequency Response DC to 10 kHz
Deviation: ±10%
LPF Transfer characteristic : 2nd order Butterworth
Cutoff frequencies : 10, 30, 100, 300 Hz, 1k Hz and FLAT - 6 steps
Amplitude ratio at cutoff point : -3 ±1 dB
Attenuation : -12 ±1 dB/oct.
HPF Cutoff Frequencies : 0.2 Hz, OFF- 2 steps
SN Ratio 48 dBp-p or more (RTI: Within 3.9 ×10-6 strainp-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: Within ±0.2 ×10-6 strain per °C
Sensitivity: Within ±0.05%/ºC

Time
Zero point: Within ±1.0 ×10-6 strain/24 h
Sensitivity: Within ±0.3%/24 h

Power 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 case
Output Voltage Indication 4½ digit digital display (7-segment LED)
11-segment LED bar meter
Over Input Indication Output voltage display flashing
(4½ digit digital display only)
Check Functions Bridge check
Input Open Detection Function When the input is open, output saturates to the negative side.
Key Lock Functions Locks all keys other than POWER switch.
(Allows settings on digital 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 lock
Synchronization 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.
(Condition: Within the setting range of the sensitivity adjuster)
Actual Load Calibration Sets actual load input to the VOLTAGE OUT output voltage.
(Condition: Within the setting range of the sensitivity adjuster)
Vibration Resistant 5 to 200 Hz, with 29.4 m/s2 (3 G)
in X, Y and Z directions for 12 cycles, 10 min/cycle
Impact Resistant 15 G, 11 ms or less,
in X, Y and Z directions, every 3 cycles
Operating Temperature -10 to 50ºC
Operating Humidity 20 to 85 % (Non-condensing)
Power Supply 90 to 110 VAC (Approx. 12 VA: 100 VAC)
10.5 to 15 VDC (Approx. 0.6 A: 12 VDC)

Following models are also available.
DPM-xxxx A115: 108 to 132 VAC
DPM-xxxx A200: 180 to 220 VAC
DPM-xxxx A230: 207 to 253 VAC
xxxx: Part of model, example; 913C
Dimensions 49 W ×128.5 H ×262.5 D mm (Excluding protrusions)
Panel-cut dimensions: 50 W ×113 H mm
Weight Approx. 1.2 kg
Standard Accessories Output cable U-08, U-59, 1 each
AC power cable P-25 (With 2-pin conversion plug CM-52)
Fuse (Midget type 0.5 A, 1 A)
Instruction manual
Simple manual sticker
Optional Accessories Extension cables N-81 to N-85
Bridge boxes DB, DBB, and DBS
Housing case YC-A
Noise filter F-7B, F-BNC
Amplifier stand FA-1B
Shielded conversion cable N-117

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