Hakaru
Hakaru DPA9–A Digital Panel Meter: DC Ammeter, Voltmeter, And Receiver

Manufacturer: HAKARU PLUS CORPORATION
Model: DPA9–A
48 × 24, 1/2H, Digit height 10 mm, with input–power supply isolation
Model
DPA9(1)B-(2)-(3)
(1) Measurement Range
Voltmeter
| Code | Measurement Range |
|---|---|
| 02 | ±199.9mV |
| 03 | ±1.999V |
| 04 | ±19.99V |
| 05 | ±199.9V |
Ammeter
| Code | Measurement Range |
|---|---|
| 12 | ±199.9µA |
| 13 | ±1.999mA |
| 14 | ±19.99mA |
| 15 | ±199.9mA |
| 16 | ±1.999A |
Receiver Meter
| Code | Measurement Range |
|---|---|
| 09 | 1 to 5V |
| 19 | 4 to 20mA |
| A1 | 0 to 1mA |
| V0 | 0 to 100mV |
| V1 | 0 to 1V |
| V2 | 0 to 5V |
| V3 | 0 to 10V |
(2) Display Color
| Code | Description |
|---|---|
| R | Red LED |
| G | Green LED |
(3) Option
| Code | Description |
|---|---|
| No code | None |
| A01 | 10-digit attachment |
| A02 | Absolute value display |
How to Order Example
Model: DPA909B-G
(1) 09 : 1 to 5V
(2) G : Green LED
(3) No code : None
Device Specifications
Mounting: Panel-embedded type, snap-in method
Housing: Black plastic
Wiring connection: Connector
Display Section
- Numeric range: 0 to 199
- Display element: LED, red or green, digit height 10mm
- Polarity input: “−” display
- Decimal point position: Short-circuit between DP1 to DP3 and COM on the connector section. Not isolated from measurement input.
- Input overrange: 1□□ or −1□□ display. □ indicates blank.
Scaling Function
Full-scale display: -1999 to 1999
Offset display: -199 to 199
Hold: Data is held by short-circuiting HOLD and COM. Not isolated from measurement input.
Resolution: 1/200
Display period: 10ms, 40ms, 1s, 2s, and 4s selectable.
Zero-suppression function: Selectable setting.
Offset fixed display: When the input is below the offset value, the display is fixed to the offset display value.
10° digit fixed display: The displayed value of the 10° digit is fixed to 0.
Input Specifications
Input resistance and overload
| Type | Measurement Range | Input Resistance | Overload |
|---|---|---|---|
| Voltmeter | 02 : ±199.9mV | 1MΩ | DC±10V |
| 03 : ±1.999V | 6MΩ | DC±250V | |
| 04 : ±19.99V | 10MΩ | DC±250V | |
| 05 : ±199.9V | 10MΩ | DC±250V | |
| Ammeter | 12 : ±199.9µA | 1kΩ | DC±2mA |
| 13 : ±1.999mA | 100Ω | DC±50mA | |
| 14 : ±19.99mA | 10Ω | DC±150mA | |
| 15 : ±199.9mA | 1Ω | DC±500mA | |
| 16 : ±1.999A | 0.1Ω ※1 | DC±3A | |
| Receiver Meter | 09 : 1 to 5V | 5MΩ | DC±250V |
| 19 : 4 to 20mA | 10Ω | DC±150mA | |
| A1 : 0 to 1mA | 200Ω | DC±30mA | |
| V0 : 0 to 100mV | 1MΩ | DC±10V | |
| V1 : 0 to 1V | 1.3MΩ | DC±250V | |
| V2 : 0 to 5V | 5MΩ | DC±250V | |
| V3 : 0 to 10V | 10MΩ | DC±250V |
※1: For the 16 ±1.999A range, the shunt resistor is externally attached to the input connector.
Installation Specifications
Power supply: DC4.75 to 26V
Current consumption:
| Power Supply | Red Display | Green Display |
|---|---|---|
| DC5V | Approx. 10mA | Approx. 50mA |
| DC12V | Approx. 45mA | Approx. 80mA |
| DC24V | Approx. 30mA | Approx. 50mA |
Operating temperature: 0 to 50°C
Storage temperature: -20 to 70°C
Dimensions: W48 × H24 × D72
Mass: Approx. 40g
DPA9□□B
Performance
Reference accuracy:
| Type | Measurement Range | Reference Accuracy Converted at 0 |
|---|---|---|
| Voltmeter | 02 : ±199.9mV | ±(0.1% +1digit) |
| 03 : ±1.999V | ±(0.1% +1digit) | |
| 04 : ±19.99V | ±(0.2% +1digit) | |
| 05 : ±199.9V | ±(0.2% +1digit) | |
| Ammeter | 12 : ±199.9µA | ±(0.2% +1digit) |
| 13 : ±1.999mA | ±(0.2% +1digit) | |
| 14 : ±19.99mA | ±(0.2% +1digit) | |
| 15 : ±199.9mA | ±(0.2% +1digit) | |
| 16 : ±1.999A | ±(0.3% +1digit) | |
| Receiver Meter | 09 : 1 to 5V | ±(0.2% +2digit) |
| 19 : 4 to 20mA | ±(0.2% +2digit) | |
| A1 : 0 to 1mA | ±(0.2% +1digit) | |
| V0 : 0 to 100mV | ±(0.2% +1digit) | |
| V1 : 0 to 1V | ±(0.2% +1digit) | |
| V2 : 0 to 5V | ±(0.2% +1digit) | |
| V3 : 0 to 10V | ±(0.2% +1digit) |














