Digital Meter
DC Voltmeter / Ammeter, Receiver
MODEL 3124
- ■ DIN size 48×24 mm Compact design.
- ■ Available with full scale display -19999 to 19999 optional setting.
- ■ Available with variable offset display function.
Standard Specifications
Model Designation
| 3124 | - | □ | - | □ | - | □ |
| ① | ② | ③ |
①Measuring Input
| Code | Measuring Range | Input Resistance | Accuracy * | Overload |
|---|---|---|---|---|
| 03 | ±1.9999 V | 1 MΩ | ±(0.05% of rdg + 2 digit) | DC ±250 V |
| 04 | ±19.999 V | 1 MΩ | ±(0.05% of rdg + 2 digit) | DC ±250 V |
| 05 | ±199.99 V | 10 MΩ | ±(0.05% of rdg + 2 digit) | DC ±500 V |
| 09 | DC 1 to 5 V | 1 MΩ | ±(0.1% of rdg + 5 digit) | DC ±250 V |
| V1 | DC 0 to 1 V | 1 MΩ | ±(0.05% of rdg + 2 digit) | DC ±250 V |
| V2 | DC 0 to 5 V | 1 MΩ | ±(0.05% of rdg + 2 digit) | DC ±250 V |
| V3 | DC 0 to 10 V | 1 MΩ | ±(0.05% of rdg + 2 digit) | DC ±250 V |
| 19 | DC 4 to 20 mA | 13 Ω | ±(0.1% of rdg + 5 digit) | DC ±150 m A |
| A1 | DC 0 to 1 mA | 200 Ω | ±(0.1% of rdg + 2 digit） | DC ±50 mA |
- * Accuracy:
- Defined at 23℃ ± 5℃, 45 to 75% RH.
- Temperature coefficient:
- ± 200 ppm/℃ (Temp. range 0 to 50℃)
②Display Color
| Code | Description |
|---|---|
| Blank | Red LED |
| Ｇ | Green LED |
③Option
| Code | Input |
|---|---|
| Blank | null |
| A01 | Display cycle 1s |
| A02 | Fixed 100 digit to 0 |
| A03 | Display sampling 1s, Fixed 100 digit to 0 |
General Specifications
| Display | 0 - 19999 red or green LED (character height 8 mm) with zero-suppress function. |
|---|---|
| Scaling function | Full scale display -19999 to +19999 (with full scale display setting function) Offset display -19999 to +19999 (with offset display setting function) |
| Offset fixing function | Function of fixing display value to offset value when input is less than offset value. |
| Decimal point | Optional setting by the connector (Not isolated from input). |
| Over-range indication | Flashing with 130% display. (But when exceeded 19999, flashing is displayed by 0000.) |
| Hold function | Holds measured data (Not isolated from input). |
| Resolution | 1/20000 |
| Display cycle | Approx. 400 ms |
| Input configuration | Single ended, floating input |
| A/D conversion | ⊿-Σ conversion system |
| Noise rejection | Normal mode (NMR) – More than 50dB |
| Insulation resistance | DC 500 V More than 100 MΩ |
| Withstand voltage | Between input terminals and external case: AC 1500 V each for 1min. Between power supply terminals and external case: AC 1500 V each for 1min. Between power supply terminals and input terminals: AC 500 V each for 1min. |
| Power supply | DC 4.75 to 32 V |
| Power consumption | Approx. 100 mA at 5 V. Approx. 50 mA at 12 V. Approx. 35 mA at DC 24 V |
| Operating temperature | 0 to 50°C |
| Storage temperature | -20 to 70°C |
| Weight | Approx. 45 g |
