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LPPYRA-LiteAC–Pyranometer for Small-Scale PV Monitoring

Make: Delta ohm    Model: LPPYRA-LiteAC
✅ The most compact and light solution for ordinary solar efficiency monitoring of PV system.
✅ Measurand: Solar radiation✅ Sensor type: Thermopile
✅ Sensor type: Thermopile
✅ Signal Output: Available in 2 versions: passive or 2-wire (current loop) 4…20 mA.
✅ Supplied With: Female M12 free connector.
✅ Extra accessories: Cable, fixing accessories/adapters and Calibration Report have to be ordered separately.
SKU: P-LPPYRA-LiteAC-DEL Category:

LPPYRA-Lite is a Spectrally Flat Pyranometer according to ISO 9060:2018. It measures the irradiance on a flat surface (W/m²)

Small, light and compact. This pyranometer is especially designed for small-scale PV monitoring and ordinary efficency control of PV systems,

The LPPYRA-Lite uses a thermopile sensor that grants accurate, reliable and precise measurements according to the reference standard.

It is available in 2 versions in order to meet installation requirements:

  • LPPYRA-Lite passive
  • LPPYRA-LiteAC active with 2-wire (current loop) 4…20 mA output.

Easy to set up and install: the perfect solution for direct tilted installation. An adapter is available to ease the mounting.

In case of horizontal positioning, an optional fixing base integrating a levelling device is also available.


Delta ohm



General Specification



150 g approx.

Measuring Range

0…2000 W/m2


2-wire (current loop) 4…20 mA (RL ≤ 500 Ω)

Power Supply

10…28 Vdc

Power Consumption

equal to output signal (4…20 mA)


Spectrally Flat Class C

Long-term Instability

<, ±2, %


<, ±2, %

Operating Conditions

-40…80 °C / 0…100 %RH


5…15 μV/Wm-2 or normalized 7 μV/Wm-2

Spectral Range

300…2800 nm

Zero off-set a) 200W/m²

<, ±20, W/m2

Zero off-set b) 5K/hr

<, ±6, W/m2

Complete zero off-set c)

<, ±30, W/m2

Tilt Response

<, ±3, %

Spectral Error

<, ±2, %

Temperature Response

< 3 %

Response Time (95%)

< 25 s

Protection Level

IP 67


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