Panel Meter
AC Voltmeter/Ammeter
MODEL 481E
- ■ Clear large LED display with high brightness.
- ■ Exclusive AC display.
- ■ Average RMS value rectification type.
- ■ Adoption of power supply and input by terminal method.
Standard Specifications
Model Designation
| 481E | - | □ | - | □ | - | □ | - | □ |
| ① | ② | ③ | ④ |
①Measuring Input
| Code | Measuring Range | Input Resistance | Accuracy * | Overload |
|---|---|---|---|---|
| 22 | AC 199.9 mV | 10 MΩ | ±(0.3% of rdg + 1 digit) | AC 10 V |
| 23 | AC 1.999 V | ±(0.3% of rdg + 1 digit) | AC 100 V | |
| 24 | AC 19.99 V | ±(0.3% of rdg + 1 digit) | AC 700 V | |
| 25 | AC 199.9 V | ±(0.3% of rdg + 1 digit) | AC 700 V | |
| 26 | AC 600 V | ±(0.3% of rdg + 1 digit) | AC 700 V | |
| 33 | AC 1.999 mA | 100 Ω | ±(0.5% of rdg + 1 digit) | AC 50 mA |
| 34 | AC 19.99 mA | 10 Ω | ±(0.5% of rdg + 1 digit) | AC 150 mA |
| 35 | AC 199.9 mA | 1 Ω | ±(0.5% of rdg + 1 digit) | AC 500 mA |
| 36 | AC 1.999 A | 0.1 Ω | ±(0.5% of rdg + 1 digit) | AC 2.5 A |
- *Accuracy:
- Defined at 23 ± 5°C, 45 to 75% RH.
- Temperature coefficient:
- Defined at ±300 ppm/°C (Temp. range: 0 to 50°C)
②Power Supply
| Code | Power Source Voltage |
|---|---|
| 3 | AC 100 V |
| 5 | AC 200 V |
| 9 | DC 24 V |
③Decimal Point
| Code | Description |
|---|---|
| Blank | Front setting |
| 1 | External control |
④Display Color
| Code | Description |
|---|---|
| Blank | Red LED |
| G | Green LED |
General Specifications
| Display | 0 to 1999 Red or Green LED (character height 14.2 mm) with zero-suppress function. | ||||||
|---|---|---|---|---|---|---|---|
| Scaling function | null | ||||||
| Decimal point | Optional (front setting or external control) | ||||||
| Over-range display | 1□□□Display （□: Blank） （no over-range indication in case of 482F-26） |
||||||
| Resolution | 1/2000 | ||||||
| Sampling rate | Approx. 2.5 times/s | ||||||
| Input type | Single ended, floating input. | ||||||
| A/D conversion | Dual Slope Integration System | ||||||
| Rectification system | Average RMS value rectification type | ||||||
| Noise rejection | Power source line mixing noise 1000 V | ||||||
| Withstand voltage |
|
||||||
| 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%） |
||||||
| Power consumption | AC 100V…Approx. 1.5 VA AC 200V…Approx. 2 VA DC 24V…Approx. 50 mA |
||||||
| Operating temperature | 0 to 50°C | ||||||
| Storage temperature | -20 to 70°C | ||||||
| Weight | AC power source…Approx. 300 g DC power source…Approx. 200 g |
||||||
| External dimensions | 96(W)×48(H)×89.5(D) mm |
