Facom 714A Manuel D'utilisation page 23

Diode and Continuity
Range Description
The approx. forward
voltage drop
of the diode will be
displayed.
The built-in buzzer
will sound if the
resistance is less than about
30Ω .
Overload Protection: 250V DC/AC rms
Duty Cycle
Range Resolution
5% ~ 95% 0.1%
Measurement Range: 3V peak -50V peak
Frequency Range: 10Hz -10kHz
Overload Protection: 250V DC/AC rms
Tach (rotation speed)
Number
Range
of Cylinders
2 cylinders
3 cylinders
250RPM
4 cylinders
-
5 cylinders
40kRPM
6 cylinders
8 cylinders
Note: For 4-stroke engine: actual rotation speed = reading
For 2-stroke engine: actual rotation speed = 50% of reading
Measurement Range: 3V peak -50V peak
Overload Protection: 250V DC/AC rms
Test Condition
Open Circuit
Voltage:
about 3V
Open Circuit
Voltage:
about -1.2V
Accuracy
± (2.5% + 5)
The Highest
Accuracy
Resolution
1RPM ± (2.0% + 5)
Temperature
Range Resolution
-20° C
1° C
~1000 C
-4° F
1° F
~1832° F
Overload Protection: Fuse, 400mA/690V, Fast action
Note:
1. The above accuracy does not include error of the thermocouple probe.
2. Accuracy specification assumes ambient temperature stable to ±1C°.
For ambient temperature changes of ±5 C°, rated accuracy applies after
1 hour.
Dwell Angle
Number
Range
of Cylinders
2 cylinders 0 - 180°
3 cylinders 0 - 120°
4 cylinders 0 - 90°
5 cylinders 0 - 72°
6 cylinders 0 - 60°
8 cylinders 0 - 45°
Measurement Range: 3V peak -50V peak
Rotation Speed of Engine: 250RPM - 40kRPM
Overload Protection: 250V DC/AC rms
Vehicle's Battery Internal Resistance
Range Resolution
400mΩ 0.1mΩ
4000mΩ 1mΩ
Note:
1. Do not attempt to test a battery whose voltage exceeds 36V.
2. The resistance of each test lead C with clip ) must be less
than 5Ω
Overload Protection: Fuse, 400mA/690V, Fast action
23
Accuracy
-20° C ~ 0° C: ± (6.0% + 5)
0° C ~ 400° C: ± (1.5% + 5)
> 400° C: ± (1.8% + 5)
-4° F ~ 32° F: ± (6.0% + 9)
32° F ~ 752° F: ± (1.5% + 9)
> 752° F: ± (1.8% + 9)
Resolution Accuracy
0.1° ± (2.0% + 5)
Accuracy Test Signal
± (5% + about 1kHz,
10) 50mA