TESTER & METER > CLAVIS > HANDHELD TENSION METER > TYPE 7 CLAVIS Belt Tension gauging and setting equipment is used throughout the world for accurate and repeatable measurements of belt tension. This equipment can be used on all types of rubber composition drive belts and is used and recommended by all the major belt manufacturers.   The CLAVIS Belt Frequency Meter is a two component system consisting of a hand-held meter attached to an sensor via an electronic cable. Two differing types of sensor are used with the CLAVIS meter. The first is the acoutic sensor which is available in a range of sizes and profi les. The second is an optical sensor which uses an infrared beam to detect the vibration of a belt strand and sends a signal to the meter. The detected belt vibration signal is compared with the vibration of a quartz crystal by the the meter which then computes the natural frequency of the belt. The result is shown in the display window as hertz (oscillations per second). The internal programming of the meter is also able to report the belt tension in units of force (either newton or pounds-force) provided the operator has entered the belt mass and span length using the manually operated key pad. Model Number Type 7 Range 10.0 - 600Hz , 10 - 9999 Newtons Accuracy ± 1% (100 - 600Hz), ± 1 digit (10 - 100Hz) Span Range 0.001 - 0.999m Mass Range 0.001 - 0.999kg/m Temperature -10 to 60 degree Celcius Weight 280g   The products shown above are only a small part of series, please contact us for your enquiry.