Witschi ChronoMaster, Manual

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Symbol Meaning
Sufficient signal strength
Weak signal strength, insufficient
Faults affecting the Bluetooth connection
If more than one ChronoMaster Air is con-
nected to the PC or tablet computer by Blue-
tooth, or faults or interruptions occur, using the
external Bluetooth dongle “Laird” (item no.
JB15-BT851) is recommended. It can be ordered
from the company Witschi Electronic AG as an
accessory.
1.7 Technical data
Device Type no.
ChronoMaster 13.3210
ChronoMaster Air 13.3310
•
TCXO quartz, high-frequency quartz time base
Stability
±
0.08 s/d
Ageing, 1st year
±
0.03 s/d
Function Measuring range Resolution Precision Comments
Rate deviation
±
999 s/d 1.0 s/d, 0.1 s/d or
0.01 s/d can be
selected
±
0.1 s/d Numerical display in
s/d
Amplitude 70° to 360° 1° or 0.1° can be
selected
±
0.4° Numerical display in
degrees
Lift angle adjustable
from 10° to 90°, resolu-
tion 0.1°
Beat error 9.9 ms 0.1 ms ± 0.1 ms Numerical display in
milliseconds
Configuration
Time base
Measuring capacity
24.03.2021 Precision measuring device ChronoMaster / ChronoMaster Air 12