Hioki LR5051 Clamp Logger

Measurement items

 AC Current 2 channels (used with the optional current sensor; load current 2ch, leak current 2ch, or load/leak each 1ch)

 Caution: Current and leak current that occur intermittently cannot be measured.

Measurement range

 500.0 mA to 1000 A AC rms, 5 range (depends on current sensor in use)

Basic accuracy

 ±2.0% rdg. ±0.13% f.s. (main unit + current sensor accuracy, at 500.0 A range, 50/60 Hz)

 Note: Basic accuracy is typical value, only main unit accuracy: ±0.5 %rdg. ±5 dgt., must added clamp sensor accuracy,

 refer to the detailed catalog

Storage capacity

 Instantaneous value mode: 60,000 data/ch, Statistical value mode: 15,000 data/ch

Recording interval

 1 to 30 sec., 1 to 60 min., 15 selections

Recording modes

 Instantaneous recording: at every recording interval

 Statistical value recording: Measure at one second intervals, and record the instantaneous, maximum, minimum,

 and average values within every recording interval

Recording methods

 One-time recording: Stop recording when the memory capacity is full

 Endless recording: Continue recording even when the memory capacity is full (old data is overwritten)

 Start: Logger button operation or scheduled time

 Stop: Logger button operation or scheduled time, or auto-stop when the memory capacity is full (at one-time recording)

Other functions

 Always backs up last recorded data; backs up recorded data and setting conditions when battery power is low;

 guarantees approx. 30 sec. of recording operation and clock while battery is replaced

Waterproof and dust-proof

 N/A

Interfaces

 Infrared optical communications with LR5091, LR5092-20

Power supply

 LR6 (AA) Alkaline battery ×2, Battery life: Approx. 1 year (Instantaneous recording, with 1-minute interval and

 auto power saving, at 20 °C), Approx. 1 month (Instantaneous recording, with 1-second interval at 20 °C)

Dimensions and mass

 79 mm (3.11 in) W × 70 mm (2.76 in) H × 37 mm (1.46 in) D, 165 g (5.8 oz)

Accessories

 LR6 (AA) Alkaline battery (built-in internal) × 2, Instruction manual × 1, Operation guide × 1