LPPYRA-Lite Pyranometer for Small-Scale Photovoltaic Monitoring

Reference: LPPYRA-Lite
Brand: DeltaOhm - GHM Group

The LPPYRA-Lite is a small, simple and cost-effective pyranometer that complies with ISO9060:2018 and has a compact, optimized design. It is easy to set up, quick to install and delivers performance to suit your needs.

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LPPYRA-Lite

Torn between two models?

Overview

Technical data

Sensing element: thermopile
Typical sensitivity: 5…15 V/Wm-2 or 7 V/Wm-2 standardized
Measuring range: 0…2000 W/m2
Field of view: 2π sr
Spectral range (50%): 300…2800 nm
Output: LPPYRA-Lite: μV/Wm-2 (impedance 33…45 Ω); LPPYRA-LiteAC: 2-wire (current loop) 4…20 mA (RL ≤ 500 Ω)
Power supply: LPPYRA-Lite: passive version, no power supply needed; LPPYRA-LiteAC: 10…30 Vdc
Power consumption: LPPYRA-Lite: passive version, no power supply needed; LPPYRA-LiteAC: equal to the output signal (4…20 mA)
Connection: 4-pin M12 connector
Weight: approx. 146 g
Operating conditions: -40…80 °C / 0…100 %RH
Protection rating: IP 67
MTBF (mean time between failures): >10 years

ISO 9060:2018 technical specifications

Classification: spectrally flat, class C
Response time (95%): < 25 s
Zero offset:
- a) response to 200 W/m2 thermal radiation: < ±20 W/m2
- b) response to a 5 K/h change in ambient temperature: < ±6 W/m2
- c) total zero offset, including effects a), b) and other sources: < ±30 W/m2
Long-term instability (1 year): < ±2 %
Non-linearity: < ±2 %
Cosine response: < ±25 W/m2
Spectral error: < ±2 %
Temperature response (-10…+40 °C): < 3
Tilt response: < ±3 %