Fluke IRR2-BT User manual
Supplement
© 2022 Fluke Corporation. All rights reserved.
Manual Title: IRR2-BT Users Manual
Part Number: 5339484 Supplement Issue: 1
Print Date: 8/2022 Issue Date: 12/22
Revision/Date: Page Count: 3
This supplement contains information
necessary to ensure the accuracy of the
above manual.
IRR2-BT Users Manual Supplement
12/22 1
Change #1, 291
On page 2, Kit Components, replace the list
with the following:
•1 IRR2-BT Solar Irradiance Meter Pro
•1 External Temperature Probe
•2 Suction Cups (for External Temperature
Probe)
•1 Carrying Case with Shoulder Strap
•1 Mounting Bracket
•4 AA IEC LR6 Batteries
•1 User Manual
On page 8, External Temperature Probe
Connection, replace the entire paragraph
with the following and add figure:
Connect the temperature probe to the top of
the Meter. The screen automatically shows
when connected. The icon indicates that
the temperature is now read by the external
probe. Place the Meter on or beside the PV
panel and connect the temperature probe
with the suction cup to the underside of the
PV panel. Make sure the surface on the
underside of the PV panel is clean and free of
any debris. Secure the temperature probe to
the panel with electrical tape.
Note
Attach the suction cup before you use
the temperature probe.
Supplement IRR2-BT
Users Manual
2 12/22
Caution
•Always keep the suction cups
in the provided box for
protection.
•When you attach and remove
the suction cup from the probe,
hold it from the center and pull
it upward or downward. Do not
pull on the edge of the cup, it
may damage the cup.
123
IRR2-BT Users Manual Supplement
12/22 3
On page 13, Specifications, Irradiance,
replace the note with the following:
Note
Irradiance measurement accuracy is
specified for an angle of incidence 35
degrees from the sun at AM1.5 (ASTM
G-173) spectrum.
On page 13, Specifications, Temperature
Measurement, replace with the following:
Measuring Accuracy.........±5 °C (±9 °F) @ -10 °C to 75 °C
(14 °F to 167 °F),
±8 °C (±14.5 °F) @ -30 °C to -10 °C
(-22 °F to 14 °F) and 75 °C to 100 °C
(167 °F to 212 °F)
On page 14, Specifications, Inclination Angle,
replace with the following:
Measuring Accuracy
(typical)............................±1.5° @ -50° and +50°
±2.5° @ -85° to -50° and +50° to +85°
±3.5° @ -90° to -85° and +85° to +90°
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