Digital Meter
AC Voltmeter/Ammeter
MODEL 482F
- ■ RMS value calculation type.
- ■ Full scale Display: 1000 to 9999 (optional setting).
- ■ Power supply available with AC and DC.
Standard Specifications
Model Designation
| 482F | - | □ | - | □ | - | □ | - | □ | - | □ |
| ① | ② | ③ | ④ | ⑤ |
①Measuring Input
| Code | Measuring Range | Input Resistance | Accuracy * | Overload |
|---|---|---|---|---|
| 22 | 99.99 mV | 10 MΩ | ±(0.2% of rdg + 10 digit) | AC 10 V |
| 23 | 999.9 mV | 10 MΩ | ±(0.2% of rdg + 10 digit) | AC 100 V |
| 24 | 9.999 V | 10 MΩ | ±(0.2% of rdg + 10 digit) | AC 700 V |
| 25 | 99.99 V | 10M Ω | ±(0.2% of rdg + 10 digit) | AC 700 V |
| 26 | 699.9 V | 10 MΩ | ±(0.3% of rdg + 10 digit) | AC 700 V |
| 32 | 99.99 µA | 1 kΩ | ±(0.5% of rdg + 10 digit) | AC 10 mA |
| 33 | 999.9 µA | 100 Ω | ±(0.5% of rdg + 10 digit) | AC 50 mA |
| 34 | 9.999 mA | 10 Ω | ±(0.5% of rdg + 10 digit) | AC 150 mA |
| 35 | 99.99 mA | 1 Ω | ±(0.5% of rdg + 10 digit) | AC 500 mA |
| 36 | 999.9 mA | 0.2 Ω | ±(0.7% of rdg + 10 digit) | AC 2 A |
| 37 | 5.000 A | 0.01 Ω | ±(0.7% of rdg + 10 digit) | AC 10 A |
- *Accuracy:
- Defined at 23 ± 3oC, 45 to 75% RH.
This definition is applied to the sine wave input of 5% or higher of the full scale. - Frequency range:
- Sine wave of 40 Hz to 1 kHz
- Temperature coefficient:
- ±300 ppm/oC (Defined at 0 to 50oC)
②Power Supply
| Code | Power Source Voltage |
|---|---|
| 3 | AC 100 V |
| 5 | AC 200 V |
| 9 | DC 24 V |
③Data Output
| Code | BCD Specifications |
|---|---|
| Blank | For display only |
| BP | TTL level (positive logic） |
| BN | TTL level (negative logic） |
| DN | transistor (sink type） |
④Decimal Point
| Code | Description |
|---|---|
| Blank | Front setting |
| 1 | External control |
⑤Display Color
| Code | Description |
|---|---|
| Blank | Red LED |
| G | Green LED |
General Specifications
| Display | 0 to 9999 red or green LED (character height 14.2 mm) with zero-suppress function. | ||||||
|---|---|---|---|---|---|---|---|
| Scaling function | Full scale display 1000 to 9999. | ||||||
| Decimal point | Optional setting (front setting or external control). | ||||||
| Over-range display | Display becomes intermittent when exceeded 9999. | ||||||
| Hold function | Holds measurement data. (no isolation) | ||||||
| Resolution | 1/10000 | ||||||
| Sampling rate | 2.5 to 0.2 times/s variable. | ||||||
| Input type | Single ended, floating input. | ||||||
| A/D conversion | Dual Slope Integration System | ||||||
| Rectification system | Effective value operation method. | ||||||
| Noise rejection | Power source line mixing noise 1000 V | ||||||
| Response to input | Approx. 1s | ||||||
| Crest factor | 4 （482F-23: 3.5, 482F-26: Up to peak 1000 V, 482F-37: 2） | ||||||
| Withstand voltage |
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| Insulation resistance | DC 500 V, More than 100 MΩ | ||||||
| Power supply | AC 100 V（90 to 132 V） AC 200 V（180 to 250 V） DC 24 V（24 V ± 10%） |
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| Power consumption | AC power source… Approx. 3 VA DC power source… Approx. 60 mA |
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| Operating temperature | 0 to 50°C | ||||||
| Storage temperature | -20 to 70°C | ||||||
| Weight | AC power source…Approx. 350 g DC power source…Approx. 250 g |
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| External imensions | 96(W)×48(H)×89.5(D) mm |
