Questions And Answers; Technical Data - testo 319 Bedienungsanleitung

7.

Questions and answers

This chapter provides answers to frequently asked questions.
Question
Too little light
Image out of focus
If we have not been able to answer your question: please contact your dealer
or Testo customer service. Find contact details in the warranty booklet or on
the internet under www.testo.com .
8.

Technical data

Characteristic
Colour
Diameter flexible tube
Length flexible tube
Dimensions (in mm)
Working temperature
Working temperature probe
Illumination
Working distance
Angle field of vision
Number of pixels
Max. bending radius
Light source
Electricity supply
Probe resistance to
Warranty
Possible cause
· Light guide is broken
· Illumination fibers on
fiberscope faulty
· Lens dirty
· Eyepiece dirty
· Focus not adjusted
Value
black
6.5 mm
1250 mm (recommended) ±5 mm
1300 x 100 (Pistol grip)
-20...+60 °C
-20...+80 °C
2-point illumination
MIN: 15 mm (focus) / MAX: 150 mm (Light)
typically 50 °
> 6000 (visible)
50 mm
Light source life: 50000 h.
Battery life: 4 hours. (3 x AA; 1.5 V)
Probe tip waterproof to handle
Silicone oils (short-term, wipe off after immersion)
Petrol (short-term, wipe off after immersion)
Kerosene (short-term, wipe off after immersion)
no machine oil
Instrument: 2 years
7. Questions and answers 21
Possible solution
Replace light guide
Send fiberscope to Testo customer
service for repair.
Clean lens
Clean eyepiece
Adjust focus