• testo 308 - Smoke tester

Part # 0632 0308

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Product Description

There’s a rule that generally applies for all oil heating systems: the less soot there is, the better the combustion. That’s why soot count measurements are an integral part of the work carried out by heating engineers.

Delivery Scope

testo 308 smoke tester, rechargeable battery, calibration certificate

Smoke number - Photodiode

Measuring range

0 to 6 RZ


±0.2 RZ


±0.1 RZ

General technical data

Storage temperature

-20 to +50 °C


600 g incl. battery


270 x 63 x 120 mm

Operating temperature

0 to +40 °C

Protection class


Pump capacity

1.63 ± 0.1 l

Reference filter

at 990 mbar and +20 °C ambient temperature

Gas sampling

Stainless steel pipe ca. 220 mm, rubber hose 100 mm


EU-guideline 2004/108/EG


2 years

Display function

Segment display

Display ligthing

with background illumination

Storage battery type

Lithium ion battery, 2600 mA

Battery charge

in the instrument via mains unit or externally by charger

Battery life

45 individual measurements

testo 308 - Smoke tester

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