Accsense - Model EC-7VAR - Power Energy Data Logger
From Electrocorder
The EC-7VAR Power Energy Data Logger is specifically designed to monitor one, two or three current channels, as well as one, two or three voltage channels. It allows you to monitor the loading and energy consumption of the installation. Power Factor recorded is the phase angle between L1 and A1. Amp ranges are selectable from 400 or 3000 AAC.
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Why is the Electrocorder better than other similar...
Why is the Electrocorder better than other similarly priced competitors? The Electrocorder range use a constant sampling technique, unlike the single reading of competitors. When the loggers start to record, they sample every channel 16 times per cycle, a cycle is 16ms at 60Hz and 20ms at 50Hz. At the end of each averaging period, 3 quantities are saved for each channel, the True RMS average, the Max, which is the highest cycle value during the period and the Min, lowest cycle value. This means that it will record all the peaks and troughs which are one cycle or longer.
The voltage and current levels are stored with dates and times. With the back-up battery, the Electrocorder can continue to record for months.
Features
- Records voltage, current, power factor, power and energy
- Three voltage input channels (L1, L2, & L3), 0-600V & Neutral(N) 0-300V
- Voltage channels record VAvg, VMax & VMin on all 3 channels. Data stored in non-volatile memory
- Three current channels (A1, A2 & A3) 400A or 3kA switch selectable
- Three current channels record IAvg, IMax & IMin on all 3 channels. Data stored in non-volatile memory
- Memory capacity of 32,000 (true RMS) values per channel (10bit), up to 300 days continuous recording
- Kit includes logger, Rogowski transducers, voltage leads, USB lead, software & carry case
Specifications
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
Software
Electrosoft is supplied free with all Electrocorder loggers. It allows you to graph and export data files as well as plot energy costs and savings using voltage optimization techniques.
Overview of standard features and reports:
- Sets-up loggers for recording
- Plots voltage & current graphs
- Plots energy & power graphs
- Extrapolates CO2 usage
- Database to track logger location
- Alarms for late returns
- Prints report quality graphs
- Languages: En, Es, Fr, Hr, Cz, Fi, De, It, Po, Pt, Se
- Database can be used across a network
- Prints User Instructions
- Plot multiple graphs on a single axes
- View Voltage Optimization business case
- Email data files
- Voltage unbalance calculation
- Draw Electrical Line Diagrams
- Manage logger calibration dates
- NEC 180 min/min calculations
- Print previews & output to PDF, RTF, XLS, HTML etc
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