EUTECH INSTRUMENTS CYBERSCAN PH 300310 PORTABLE METER Manuál s instrukcemi stáhnout pdf (Strana 43)

9 TROUBLE SHOOTING GUIDE

Problem Cause Solution

Power on but no

display

a). Batteries not in place

b). Batteries not in correct polarity (+

and – position).

c). Weak batteries

a). Check that batteries are in place and

making good contact.

b). Re-insert batteries with correct

polarity.

c). Replace batteries or attach optional

AC adapter.

Unstable readings a). Air bubbles in probe.

b). Dirty probe.

c). Probe not deep enough in sample.

d). External noise pickup or induction

caused by nearby electric motor.

e). Broken probe.

a). Tap probe to remove bubbles.

b). Clean the probe and re-calibrate.

c). Make sure sample entirely covers the

probe sensors.

d). Move or switch off interfering motor.

e). Replace probe. See the

Accessories section, page 43.

Slow response a). Dirty / Oily probe. a). Clean probe. See “Probe Care &

Maintenance”, page 38- 39.

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EUTECH INSTRUMENTS CYBERSCAN PH 300310 PORTABLE METER Manuál s instrukcemi Strana 43