DPM-900 Series
Strain Amplifier
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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DPM-911B
Frequency Response: DC to 2.5 kHz
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
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
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
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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