EC-7VAR Specifications |
Recorded values |
Vavg, Vmax and Vmin on 3 channels and Iavg, Imax & I min on 3 channels |
Voltage Measurement range (Vrms) |
0Vac to 600Vrms (Ph – Ph) or 0V to 300Vrms (Ph – N) |
Measurement accuracy |
±1% of reading, ±1 Volt. (10 bit) within 100Vac-450Vrms (ph–ph); else ±3%. (50/60Hz ±2%) |
Maximum channel input voltage |
600Vrms (Ph – Ph), 350Vrms (Ph – N) or 850Vpeak |
Inputs (non-isolated inputs) |
Three phase inputs (L1, L2 & L3) & Neutral (N), Non-isolated input channels |
Input socket types |
4mm shrouded ‘banana’ plugs & sockets, each with insulated crocodile clip |
Vmax, Vmin, Imax & Imin time resolution |
Always one cycle (50/60 Hz), independent of selected averaging period |
Current measurement range (Irms) |
4A – 400A and 20A – 3kA user selectable ranges |
Supplied current sensor accuracy |
Typically +/-3% of reading |
Current measurement accuracy |
Typically 3% of reading (within 10% – 90% of full scale), otherwise 3% of full scale |
Current Input socket types (all channels) |
Hard-wired through cable glands |
Sampling frequency (all channels) |
16 samples per cycle 800Hz @ 50Hz or 960Hz @ 60Hz |
Data recorded |
Average, max & min voltage & current values and Power Factor during the averaging period |
Power Factor range and accuracy (measured on L1 and A1) |
Accurate to ~3% between lead 0.5 and 0.5 lag; ~6% between 0.5 and 0.3 lead or lag |
Memory capacity & type |
384kB able to record 32,000 values per channel/phase . Non-volatile SEEPROM |
Memory – averaging period & duration |
1 sec to 60 mins (1 sec gives 2 hrs logging, 60 min gives up to 300 days logging) |
Real-time clock accuracy |
Greater than 0.001% |
Current Sensor Dimensions |
Lead Length 2m/6’6” , Sensor Length 450mm/18” (Open), Sensor Diameter 145mm/6” (Closed) |
Input Voltage Lead Length |
Metric 2 metres Imperial/English 6’ 6” (6 feet, 6 inches) |
Battery life while logging |
Unlimited when connected to voltage |
Battery Type |
Unit contains four 9V Alkaline batteries (E-Block, PP3, 1604A) |
Communications Interface type |
USB, optically isolated to 5,2kV |
Environmental (temp & sealing) |
-10C to +40C or +14°F to +104°F – OPTIONAL – IP65, NEMA 12/4 |
Dimensions & Weight |
Metric 260 x 180 x 190mm & 2kg Imperial/English – 10” x 7” x 8” & 4lb |
Standards |
Recording – EN50160: 1994 – CAT III |