Witschi ChronoMaster User Manual

2.2 Risk of material damage
NOTICE!
Damage to the USB cable or to the electronics
Damage to the USB cable or to the electronics
can damage the device.
– Only allow Customer Service to perform
work on the device’s electronics ( Ä “Cus-
tomer Service” on page 3).
– In the event of damage to the USB cable or
the plug, disconnect the USB plug and
arrange for a repair by Customer Service
( Ä “Customer Service” on page 3).
– Keep moisture away from live parts. It can
result in a short-circuit.
– Do not kink or jam USB cables, damage
them on sharp edges or bring them into con-
tact with heat sources.
– Check the USB cable and plug for damage
every time before using the device.
NOTICE!
Material damage due to opening the housing!
Opening the housing causes a risk of damaging
components inside the device or damaging the
housing itself.
– Never open the housing of your own accord.
– In the event of malfunctions or problems that
cannot be solved using the operation
manual, contact Customer Service ( Ä “Cus-
tomer Service” on page 3).
NOTICE!
Material damage due to use of non-recharge-
able batteries!
If non-rechargeable batteries are used in the
ChronoMaster Air, it could be damaged or
destroyed.
– Only use rechargeable NiMh batteries in size
AAA.
Damage to the USB cable or to the
electronics
Material damage due to opening
the housing
Material damage due to use of
non-rechargeable batteries (Chro-
noMaster Air only)
24.03.2021 Precision measuring device ChronoMaster / ChronoMaster Air 17

Witschi ChronoMaster Specifications

General

Functions	beat error measurement
Display	Digital LCD
Power Source	AC adapter
Resolution	0.1 Hz
Dimensions	100 mm
Operating Temperature	+10°C to +40°C
Interface	RS-232
Accuracy	±0.1 seconds/day