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LPPYRA-Lite – Pyranometer for Small-Scale PV Monitoring

Make:  Delta ohm      Model:  LPPYRA-Lite
✅ All the features of a silicon pyranometer combined with the accuracy of a thermopile one.
✅ Specifically designed for direct tilted installation on PV panel plane.
✅ Fixing adapter to ease installation.
✅ In case of horizontal mounting, available adapter with levelling device.
✅ Available in 2 versions: passive or 2-wire (current loop) 4…20 mA
SKU: P-LPPYRA-Lite-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.


μV/Wm-2 (impedance 33…45 Ω)

Measuring Range

0…2000 W/m2

Power Supply

passive version, no power required

Power Consumption

passive version, no power required


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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