Hakaru
Hakaru DPXK Digital Panel Meter AC Ammeter, Voltmeter

Manufacturer: HAKARU PLUS CORPORATION
Model: DPXK
96 × 48, 4-Digit, Character Height 15mm
Model
DPXK-(1)-(2)-(3)-(4)
(1) Measurement Range
Voltmeter
| Code | Measurement Range |
|---|---|
| 22A | 99.99mVrms |
| 23A | 999.9mVrms |
| 24A | 9.999Vrms |
| 25A | 99.99Vrms |
| 26A | 699.9Vrms |
Ammeter
| Code | Measurement Range |
|---|---|
| 32 | 99.99µArms |
| 33 | 999.9µArms |
| 34 | 9.999mArms |
| 35 | 99.99mArms |
| 36 | 999.9mArms |
| 36 | 5.000Arms |
(2) Power Supply
| Code | Description |
|---|---|
| A | AC100 to 240V |
| B | DC12 to 24V |
| C | DC110V |
(3) Data Output 1
| Code | Description |
|---|---|
| No code | None |
| 09 | DC1 to 5V |
| 29 | DC4 to 20mA |
| BP | BCD output, TTL level, positive logic |
| BN | BCD output, TTL level, negative logic |
| DP | BCD output, transistor output, source type |
| DN | BCD output, transistor output, sink type |
| E0 | RS-232C |
| E1 | RS-485 |
| EC | External decimal point control |
(4) Data Output 2
| Code | Description |
|---|---|
| No code | None |
| E0 | DC1 to 5V |
| E1 | DC4 to 20mA |
| EC | External decimal point control |
Note: Data Output 2 can be added only when Data Output 1 is 09 or 29.
How to Order Example
Model: DPXK-22A-A-09-E0
Special Specification:
Device Specifications
Display Section
Numeric range: 0 to 9999
Display element: Red LED or green LED, digit height 15.2mm. Display color can be freely selected.
Decimal point position: Lights at any selected decimal point position.
Input overrange: When 9999 is exceeded, 0000 flashes.
For the 699.9V rated product, the full-scale value flashes when 699 is exceeded.
Scaling Function
Full-scale display: 0 to 9999
Offset display: 0 to 9999
Resolution: 1/10000
Hold
The display value, data output, current value, peak memory value, and bottom memory value are held. Active “L”.
Alarm Reset
No isolation from input. The comparison output is restored. Active “L”.
Zero Reset
No isolation from input. The input initial value is electrically set to zero.
Offset Fixed Display
When the input is below the offset value, the display is fixed to the offset display value.
10⁰ Digit Fixed Display
The display value of the 10⁰ digit is fixed to 0.
Sampling period: 2 times/second
Display period: 500ms, 1s, 2s, 4s, or 5s selectable.
Average Calculation
The display value is averaged by interval average or moving average within the display period.
| Display Period | Number of Measurement Data for Averaging |
|---|---|
| 500ms | No averaging |
| 1s | 2 |
| 2s | 4 |
| 4s | 8 |
| 5s | 10 |
For moving average, the display period is fixed at 500ms.
The number of moving-average measurement data can be selected from 2, 4, 8, 16, or 32.
Response: 500ms
Input type: Single-ended floating input
A/D conversion section: Sigma-delta conversion method
Unit seal: Included
Input Specifications
Input resistance and overload:
| Type | Measurement Range | Input Resistance | Input Overload | Terminal No. |
|---|---|---|---|---|
| Voltmeter | 22A : 99.99mVrms | 100kΩ | AC10V | ①—④ |
| 23A : 999.9mVrms | 100kΩ | AC100V | ①—④ | |
| 24A : 9.999Vrms | 1MΩ | AC400V | ①—④ | |
| 25A : 99.99Vrms | 1.9MΩ | AC400V | ②—④ | |
| 26A : 699.9Vrms | 1.9MΩ | AC700V | ③—④ | |
| Ammeter | 32 : 99.99µArms | 1kΩ | AC20mA | ①—④ |
| 33 : 999.9µArms | 100Ω | AC50mA | ①—④ | |
| 34 : 9.999mArms | 10Ω | AC150mA | ①—④ | |
| 35 : 99.99mArms | 1Ω | AC500mA | ②—④ | |
| 36 : 999.9mArms | 0.1Ω | AC2A | ②—④ | |
| 36 : 5.000Arms | 0.01Ω | AC10A | ③—④ |
Analog Output Specifications
Allowable error: ±0.15%
Temperature coefficient: 200ppm/°C
Resolution: 1/10000
Output period: 500ms
Output response: Within 1s for input
| Output Range | Output Impedance | Allowable Load Resistance |
|---|---|---|
| DC1 to 5V | 0.1Ω or less | 500Ω or more |
| DC4 to 20mA | 5MΩ or more | 0 to 600Ω |
BCD Output Specifications
TTL Level Output
Data output: Parallel BCD code, 1-2-4-8, latch output
TTL level: C-MOS compatible, Fo = 2
Control output:
Overrange (OVER): Logic “1” during overrange
Polarity (POL): Logic “1” during positive polarity
Synchronous signal (SYNC): 10ms “L” pulse
Control input:
Latch: Active “L”
Memory function: Active “L”
Data inhibit: Active “H”
Transistor Output
Output capacity: DC30V, 30mA max.
Data output: Parallel BCD code, 1-2-4-8, latch output
“1” output: Transistor ON
Control output:
Overrange (OVER): Transistor ON during overrange
Polarity (POL): Transistor ON during positive polarity
Synchronous signal (SYNC): 10ms ON
Control input:
Latch: Active ON
Memory function: Active ON
Data inhibit: Active OFF
Serial Communication
RS-232C, RS-485
Transmission method: Asynchronous half-duplex method
Communication speed: 4800, 9600, 19200, 38400bps
Transmission code: Conforms to JIS 8-unit code
Data format:
Data bit length: 7 bits or 8 bits
Stop bit length: 2 bits or 1 bit
Parity check: Even, odd, or none
Error detection: Vertical parity and BCC
Installation Specifications
Power supply: AC100 to 240V, 50/60Hz, DC12 to 24V
Allowable power supply range: AC90 to 250V, DC9 to 32V
Power consumption:
| Power Supply | Power Consumption |
|---|---|
| AC100V | Approx. 9VA |
| AC200V | Approx. 11VA |
| DC12V | Approx. 400mA |
| DC24V | Approx. 200mA |
Operating temperature range: 0 to 50°C
Storage temperature: -20 to 70°C
Dimensions: W96 × H48 × D90
Mass: Approx. 300g
Performance
Noise rejection ratio: Power line mixed noise 1000V
Insulation resistance: DC500V, 100MΩ or more
Dielectric strength:
Between input and external case: AC2000V for 1 minute
Between power supply and external case: AC2000V for 1 minute
Between input and output: AC1500V for 1 minute
Between input and power supply: AC500V for 1 minute
Reference Accuracy
| Type | Measurement Range | Accuracy |
|---|---|---|
| Voltmeter | 22A : 99.99mVrms | ±(0.2% + 10digit) |
| 23A : 999.9mVrms | ±(0.2% + 10digit) | |
| 24A : 9.999Vrms | ±(0.2% + 10digit) | |
| 25A : 99.99Vrms | ±(0.3% + 10digit) | |
| 26A : 699.9Vrms | ±(0.3% + 10digit) | |
| Ammeter | 32 : 99.99µArms | ±(0.3% + 10digit) |
| 33 : 999.9µArms | ±(0.3% + 10digit) | |
| 34 : 9.999mArms | ±(0.3% + 10digit) | |
| 35 : 99.99mArms | ±(0.5% + 10digit) | |
| 36 : 999.9mArms | ±(0.5% + 10digit) | |
| 36 : 5.000Arms | ±(0.5% + 10digit) |
Connection Diagram
Lower terminals

Option, Middle Section
Analog Output
Screwless terminal
| C1 | C12 |
|---|---|
| + OUT | − OUT |
BCD Output
| Use | Bit | Pin No. | Pin No. | Bit | Use |
|---|---|---|---|---|---|
| 10¹ | 1 | 1 | 18 | 1 | 10⁰ |
| 2 | 2 | 19 | 2 | ||
| 4 | 3 | 20 | 4 | ||
| 8 | 4 | 21 | 8 | ||
| 10³ | 1 | 5 | 22 | 1 | 10² |
| 2 | 6 | 23 | 2 | ||
| 4 | 7 | 24 | 4 | ||
| 8 | 8 | 25 | 8 | ||
| NC | 9 | 26 | 1 | 10⁴ | |
| 10 | 27 | 2 | |||
| 11 | 28 | 4 | |||
| 12 | 29 | 8 | |||
| 13 | 30 | MEMORY RESET | |||
| OVER | 14 | 31 | OUTPUT ENABLE | ||
| SYNC | 15 | 32 | LATCH | ||
| BOTTOM MEMORY | 16 | 33 | PEAK MEMORY | ||
| DATA COM | 17 | 34 | DATA COM | ||
RS-232C or RS-485
Screwless terminal
| C3 | C4 | C5 | C6 | C7 | |
|---|---|---|---|---|---|
| RS-232C | SD | RS | RD | CS | SG |
| RS-485 | Terminator | NC | + | − | |
Analog Output + RS-232C or RS-485
Screwless terminal
| C1 | C2 | C3 | C4 | C5 | C6 | C7 | |
|---|---|---|---|---|---|---|---|
| RS-232C | + OUT | − OUT | SD | RS | RD | CS | SG |
| RS-485 | + OUT | − OUT | Terminator | NC | + | − | |
Outline Drawing (Unit: mm)

Terminal Arrangement Diagram

Mounting Dimensions Drawing (Unit: mm)

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