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The PV-3 data logger is used by installers, householders, renewable energy companies to check PV (photo voltaic) installations. It can record solar irradiation up to 1,500W/m2 (watts per square metre), DC Voltage and DC Current produced by the panel, allowing you to assess the performance of a solar energy installation

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 TRMS 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

When recording the Electrocorder will store the average voltage (and current if applied) over the period chosen (1 sec to 60 min), it will also record the highest (max) & lowest (min) cycle values during that period.

The voltage levels are stored with dates and times. With the back-up battery, the Electrocorder can continue to record for 4 weeks. An external 12Vdc PSU input is available, to allow for prolonged logging without batteries


    Records Solar Irradiance, 0-1500W/m-2
    PV system output Vdc to 300V, Idc to 100A
    Monitor charging circuits, PV (photovoltaic) cell, DC motor, and many other application
    Accurately record DC voltages up to 60Vdc
    Two voltage input channels and one current channel
    Records VAvg, VMax & VMin on 2 channels. Data is stored in non-volatile memory
    Kit includes logger, fused voltage input leads, DC current probe, pyranometer, USB lead, 12Vdc PSU, software and carry case
    Memory capacity of 32,000 TRMS voltage values per channel (10 bit), up to 300 days continuous recording
    Best cost/performance ratio


Recorded values Records Minimum, Average & Maximum Irradiance, Voltage & Current
Min. and max. time resolution Always 20ms
Pyranometer sensor accuracy +/-2% of range
Measurement range 0-1500Wm-2
Irradiance measurement accuracy Typically 5% of range
Pyranometer Input Lead Length Metric 5m, Imperial/ English 16’ (feet)
Voltage measurement range 1 to 300Vdc
Input impedance 10MOhm
Voltage (DC) measurement accuracy 1V – 5V < 2%, 60V model, 6V – 60V < 1%. 300V model 60V – 300V ~2%
Voltage Input Lead Length Metric 2m, Imperial/English 6’ (feet)
Current measurement range -10A to +10A or -100A to +100A, selectable range
Current measurement accuracy <5% of selected range
Current Input Lead Length Metric 1.5 metres; Imperial/English 4’ (feet)
Sampling frequency 800Hz (every 1.25ms)
Data recorded Avg, max & min irradiance, voltage & current values during the averaging period
Memory capacity 192kB able to record 32,000 levels per channel
Memory type Non-volatile SEEPROM
Memory - averaging period & duration 1 sec to 60 mins (1 sec gives 2 hrs logging, 60 min gives 300 days logging)
Real-time clock accuracy Greater than 0.001%
Battery life while logging Unlimited – 12Vdc PSU option & battery backup or1 day on battery power only
Battery Type Unit contains four 9V Alkaline batteries (E-Block, PP3, 1604A)
Communications Interface type USB
Environmental (temp & sealing) -10C to +40C or +14°F to +104°F
Dimensions & Weight Metric 260 x 180 x 190mm & 2kg Imperial/English - 102 x 72 x 8” & 4lb
Standards Recording - EN50160: 1994 - CAT II

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