| Model: Yokogawa WT300 Series Power Meter |
| Model |
WT310 |
| Power Measurement |
1 element |
| Available with 20A input element |
| |
|
| Basic power accuracy: |
0.1% rdg +0.2% of range |
| Power frequency range: |
DC, 0.5 Hz to 100 kHz |
| Frequency range: |
1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz, and 100 kHz. (autoranging |
| Sampling Speed: |
approximately 100 kS, s |
| Effective Input for V , A: |
1% to 130% |
| Maximum Input for V , A: |
1% to 140% |
| Inputs |
Crest Factor: Maximum 300 |
| |
Voltage |
| (for crest factor 3) |
15V, 30V, 60V, 150V, 300V, 600V |
| (for crest factor 6) |
7.5V, 15V, 30V, 75V, 150V, 300V |
| Direct Input: |
Current |
| (for crest factor 3) |
5mA, 10mA, 20mA, 50mA, 100mA, 200mA, 0.5A, 1A, 2A, 5A, 10A, 20A |
| (for crest factor 6) |
2.5mA, 5mA, 10mA, 25mA, 50mA, 100mA, 0.25A, 0.5A, 1A, 2.5A, 5A, 10A |
| External Input 1: |
Current Sensor |
| (for crest factor 3) |
2.5V, 5V, 10V |
| (for crest factor 6) |
1.25V, 2.5V, 5V |
| External Input 2: |
Current Sensor |
| (for crest factor 3) |
2.5V, 5V, 10V or EX2: 50mV, 100mV, 200mV, 500mV, 1V, 2V |
| (for crest factor 6) |
1.25V, 2.5V, 5V or EX2: 25mV, 50mV, 100mV, 250mV, 500mV, 1V |
| Measurement Parameters |
| Main: |
Voltage, current, active power, reactive power, apparent power, power factor, phase angle, frequency, peak voltage, peak current, crest factor, integration (Wh, Ah, varh, Vah), time, % |
| |
MAX hold Voltage RMS, MEAN simultaneous measurement Average active power (user defined function) Active power integration (WP) (Wh) Apparent power integration (WS) (VAh) Reactive power integration (WQ) (varh) |
| Display—- |
| Display: |
7-segment LED, 4 items – Simultaneous display |
| Communication |
| |
GP-IB Interface or Serial (RS-232) Interface (standard) USB PC Interface (standard) Ethernet Interface (optional) |
| Environment |
| Warm-up Time: |
Approx. 30 minute |
| Power supply: |
100 VAC to 240 VAC rated, permitted 90 VAC to 264 VAC, 48 Hz to 63 Hz |
| Power consumption: |
Max 80 VA |
| Operating Temperature: |
Temperature: 5°C to 40°C Temperature: −25°C to 60°C (storage) |
| Storage Temperature: |
Humidity: 20% RH to 80% RH (No condensation) |
| Dimensions: |
Approx. 213 (W) × 88 (H) × 379 (D) mm |
| Weight: |
Approx. 3 kg |
| Battery backup: |
Setup parameters are backed up with a lithium battery. |