Troubleshooting; Technical Data - VOLTCRAFT IRU 500-12 Bedienungsanleitung

12. Troubleshooting

With this IR thermometer, you have purchased a product built to the latest state of the art and operationally safe.
Nevertheless, problems or errors may occur.
For this reason, the following is a description of how you can easily remove possible malfunctions yourself:
Always observe the safety information!
Error
The measuring device does not
work.
Wrong measured value indication.
Repairs other than those described above should only be carried out by an authorised specialist.
If you have any questions about handling the meter, our technical support is available.

13. Technical Data

Measurement range IR-measurement ..............-30 °C to +500 °C (-22 °F to +932 °F)
Display resolution .............................................0.1 °C/0.2 °F
IR-lens (D:S) .....................................................12:1
Reaction time ....................................................<500 ms
IR spectral range ..............................................8 - 14 µm
Emission degree ...............................................0.01 to 1.00 adjustable
Laser .................................................................Output < 1 mW, laser class 2, wavelength 650 nm
Operating temperature .....................................0 °C to +50 °C (+32 °F to 122 °F)
Operating humidity ...........................................10% to 90% rel. humidity, non-condensing
Storage temperature .........................................-20 °C to +60 °C/-4 °F to +140 °F, without batteries
Storage humidity ...............................................10% to 90% rel. humidity, non-condensing
Voltage supply ..................................................3 Mignon batteries, AA, LR6
Operating time per battery set ..........................approx. 20 h (without laser and display lighting)
..........................................................................approx. 15 h (with laser and display lighting)
38
Possible cause
Are the batteries dead?
Check the status.
Is the wrong emission degree set?
Is the lens cover closed?
Is the measuring surface covered by a glass pane?
Is the operating temperature of the environment exceeded or undercut?