MEASURING
INSTRUMENTS
Page 3 of 6
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I
1
TECHNICAL SPECIFICATIONS
The backlit screen means that the instrument can be operated in any lighting
conditions. Digital screen that offers an error-free reading. Low battery indicator:
Wide measuring range and high resolution.
Computerised miniaturised circuit to provide a fast and high-precision measurement.
The last value, the maximum value and the minimum value will be automatically stored
and can be displayed by pressing the "F" key.
The various terminals can be disconnected at any time.
The new terminal for controlling the peripheral speed can measure the length of wires,
cables and ropes.
The shape has been carefully designed for easily handling.
Screen:
5 digits, height 18mm (0.7"), LCD
Measuring range:
Optical tachometer
from 1.5 to 9,999 rpm
Contact tachometer
from 0.5 to 9,999 rpm
Peripheral speed
from 0.5 to 9,999 m/minute
Resolution:
Optical tachometer
0.1 rpm (from 2.5 to 999.9 rpm)
1 rpm (over 1000 rpm)
Contact tachometer
0.1 rpm (from 2.5 to 999.9 rpm)
1 rpm (over 1000 rpm)
Peripheral speed
0.01m/min. (from 0.05 to 999.99
m/min.)
0.1m/min. (over 100m/min.)
Sampling distance
50mm ~ 60mm (optical)
Accuracy:
± 0.05% +1 digit
Sampling time
0.8 seconds over 60 RPM
Selection of measuring
range
Automatic
Power supply
4 x 1.5 AA
Temperature of use
0 - 40°C
Memory
Last value. Maximum value / Minimum value.
Size
220 x 75 x 29 mm
Weight
300 gr (0.67 lb)
1.1
Technical support
For any problems or concerns, please do not hesitate to contact the dealer who sold the item.
Precautions
Do not disassemble the instrument, inside there are no replaceable parts for normal
users.
Do not expose the instrument to the weather and do not pour liquids on it of any kind
fervi.com
