| RMS Voltage Accuracy |
0.5% up to 14 Amp continuous; up to 1.0% over 14 Amp when equipment being monitored is at 100% duty cycle |
| RMS Current Accuracy |
0.5% up to 14 Amp continuous; up to 1.0% over 14 Amp when equipment being monitored is at 100% duty cycle |
| Active Power Accuracy |
0.5% up to 14 Amp continuous; up to 1.0% over 14 Amp when equipment being monitored is at 100% duty cycle |
| Active Energy Accuracy |
0.5% up to 14 Amp continuous; up to 1.0% over 14 Amp when equipment being monitored is at 100% duty cycle |
| Power Factor Accuracy |
±0.02 |
| Drift |
Up to 0.5% typical within 1 year |
| Resolution |
1 Watt Load at 120 V AC 15 Amp |
| Operating Environment |
Logging: 5° to 40°C (41° to 104°F); 0 to 95% RH (non-condensing), up to 2,000 m (6,562 ft) altitude |
| Operating Modes |
Meter or logging when launched with HOBOware |
| Logging Rate |
1 second to 18 hours, 12 minutes, 15 seconds |
| Statistics Sampling Rate |
60 Hz or 16.67 mS single-cycle |
| Memory Modes |
Wrap when full or stop when full |
| Start Modes |
Immediate, push button, date & time, or next interval |
| Stop Modes |
When memory full, push button, or date & time |
| Restart Mode |
Push button |
| Time Accuracy |
±1 minute per month at 25°C (77°F), see Plot A |
| Power Source |
Line-powered with 0.92 m (3 ft) AC power cord or two AAA 1.5 V alkaline batteries, user replaceable |
| Battery Life |
2 years with line power; 6 months battery only (no line power) with logging rate of 1 minute or greater operating at 25°C (77°F) |
| Memory |
4 MB (1.4 million measurements, maximum) |
| Download Type |
USB 2.0 interface |
| Full Memory Download Time |
Approximately 1.5 minutes |
| LCD |
LCD is visible from 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range |
| Size |
13.97 x 7.62 x 4.75 cm (5.5 x 3 x 1.87 in.) |
| Weight |
230.8 g (8.14 oz) |
| Ratings |
IP50, UL Listed; UL Listed to Canadian safety standards |