Questions And Answers; Measurement Method - TESTO 830-T4 Instruction Manual

14
2 Remove used battery and insert new one. Observe +/-. The
minus should be visible once the battery is inserted.
3 Close battery compartment: Close cover.
9.2 Clean instrument
Do not use abrasive cleaning agents or solutions.
Clean the housing with a damp cloth (soap water).
Carefully clean the lens with water or cotton buds dipped in
water or medical alcohol.

10. Questions and Answers

Query
Display is no longer illuminated
Change battery.
lights up.
battery.
Material (Temperature)
Aluminium, bright-rolled (170°C / 338°F)
0.04
Cotton (20°C / 68°F)
Concrete (25°C / 77°F)
Ice, smooth (0°C / 32°F)
Iron, polished (20°C / 68°F)
Iron with cast skin (100°C / 212°F)
Iron with rolled skin (20°C / 68°F)
Plaster (20°C / 68°F)
Glass (90°C / 194°F)
Rubber, hard (23°C / 73°F)
Rubber, soft grey (23°C / 73°F)
Wood (70°C / 158°F)
Cork (20°C / 68°F)
Instrument cannot be
battery.
switched on
Infrared measurement mode: -
- - - lights up.
Contact measurement mode: -
- - - lights up.
probe.
If we have not answered your question, please contact your local
distributor or Testo´s Customer Service.
11. Information on infrared
measurement

11.1 Measurement method

Infrared measurement is an optical measurement
Keep lens clean.
Possible causes
-
- Battery empty.
e
Material (Temperature)
Heat sink, black anodised (50°C / 122°F)
0.98
0.77 Copper, lightly tarnished (20°C / 68°F)
0.04
0.93
Copper, oxidised (130°C / 266°F)
0.97
Plastics: PE, PP, PVC (20°C / 68°F)
0.24
Brass, oxidised (200°C / 392°F)
0.80
Paper (20°C / 68°F)
0.77
Porcelain (20°C / 68°F)
0.90
Black paint, matt (80°C / 176°F)
0.94
Steel,
0.94
heat-treated surface (200°C / 392°F)
0.89
0.52
0.94
Steel, oxidised (200°C / 392°F)
0.70
Clay, fired (70°C / 158°F)
Transformer paint (70°C / 158°F)
- Battery empty.
Readings outside
measurement range.
Readings outside
measurement range.
- No probe connected.
- Probe damaged.
Possible solution
Low battery.
Change
Change
-
-
Connect probe.
Change
e
0.76
0.94
0.61
0.97
0.92
0.97
0.79
0.91
0.94