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• RoHS compatible: the device complies with
the European Directive (2002/95/EC) on the
restriction of the use of certain hazardous
substances in electrical and electronic
equipment
Note: If using the 507C with the inductive
sensor, measurement range is restricted to
10 Hz-1000 Hz.
9. Optional accessories
• Cord sensor - Product No. 7420-00206. Cord
sensor is recommended for measuring tensions
a distance from the sonic tension meter.
• Inductive sensor - Product No. 7420-00212.
Recommended for noisy or windy environments
and for measuring steel reinforced belts.
• Oscillator - model U-305-OS1 - Product No.
7420-00205.
This special oscillator is available for the
frequency test of the 507C model. This oscillator
generates 5 types of oscillations (sine wave):
25, 90, 500, 2000 and 4000 Hz. It features a
frequency accuracy of 0.1% or even lower.
10. Warranty and
service
Thank you for using Gates sonic tension meter.
Gates warrants the meter to successfully operate
for a period of one year (or six months for the
sensors) from the date of purchase and will repair
any defects for which Gates is responsible without
charge within this period.
For repairs/certification needs contact your sales
representative.
11. Belt unit weight
calculation
Unit conversion formulas
lb
x 4.4482 = N
f
lb
x 0.4536 = kg
f
N x 0.1020 = kg
lb
= pounds force
f
N = Newton
Kg
= kilograms force
f
inches x 25.4000 = mm
mm x 0.0394 = inches
mm = millimetres
Span length calculation =
Where:
CD = centre distance (mm)
D
= large pulley diameter (mm)
d
= small pulley diameter (mm)
Note: Unit weights are for standard stock belts
only. Non-standard belt constructions may yield
inaccurate results and may require special unit
weights or special calibration procedures.
N x 0.2248 = lb
kg
x 2.2046 = lb
f
f
kg
x 9.8067 = N
f
f
CD
f
f
(D - d)
2
2
-
4
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