Automation：TX-3AC
Wireless AC power meter
| Supervision | sends AC Meter/Temperature reading at 30-minute interval alternatively. |
| Power | AAA alkaline battery x 2 pcs. |
| Working Temperature Range | -20℃ to 50℃ (over this range the working of the device is not guaranteed) |
| Data Sampling Rate | 30-second/ Sampling, (15-second/Sampling available). |
| Temperature Sensor Operation Range | -40℃/85℃. |
| Temperature Accuracy | 10℃ to 40℃ +/- 1℃ max.,-40℃ to 85℃ +/- 3℃ max. |
| AC Meter Reading | 0-100 for 0~10A or 0~100A selectable. |
| AC Meter Accuracy | +/- 10% +/- 3 readings (for reading above 10). |
| Measuring method | Using AC clamp probe ST-87 with true RMS reading (50/60Hz). |
| Low Battery Detection | 2.6V+/- 0.1V. |
| Current Drain | 5uA @ standby, 20mA @ RF operation |
| Estimated Battery Life | 1 year @Sends 250 readings/day, or 2 years @ sends 75 readings/day |
| Transmitter Size/Weight | 20 x 29 x 123.5 mm, about 34g (w/o battery). |
| ST-87 AC Clamp probe Size/Weight | 96 x 60 x 20 mm, about 85g (excluding cable). |
| Max. conductor thickness to be measured | 25mm in diameter |