Features | |
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Drive belts achieve maximum lifetime and efficiency when tensioned to the manufacturer’s recommended tension. The new CHECK•LINE® BTM-400PLUS Belt Tension Meter provides an easy, reliable method for accurately measuring static tension in flat, V-, cog or toothed belts of rubber, leather, fabric, plastic and composite materials. The BTM-400PLUS’s hand-held, LED-optical sensor is cable-connected to the gauge body, which contains a microprocessor that converts the sensor signal to a pre-selected reading of either Belt Vibration Frequency (Hertz) or Belt Tension (Newtons [N] or pounds / force [lbf]). Results are displayed on a bright, easy-to-read LCD display. An acoustic signal indicates a successful measurement. | |
![]() | The BTM-400PLUS’s LED-optical sensor is unaffected by ambient noise, offering improved performance versus competitive, acoustic sensor-based designs |
Specifications | ||
![]() ![]() | Measuring range | 10 – 400 Hz, standard 3 – 800 Hz, optional (inquire) |
Free span length, max. | 30 ft. (10 m) | |
Belt density, max. | 10 kg/m | |
Digital sampling error | < 1% | |
Indication error | ± 1 Hz | |
Total error | < 5% | |
Operating temp. | 50 to 122 °F (10 to 50 °C) | |
Max. storage temp. | 23 to 158 °F (–5 to 70 °C) | |
Gauge body material | Plastic (ABS) | |
Dimensions, body | 3.15 in. x 4.96 in. x 1.47 in (80 x 126 x 37mm) | |
Dimensions, case | 8.9 in x 7.0 in x 2.0 in. (226 x 178 x 50mm) | |
Display | 2-line LCD, 16 char./line | |
Languages | English, German, French, Italian | |
Power supply | 9-volt alkaline battery |
![]() | The BTM-400PLUS is supplied as a complete kit, including: the gauge, plug-in and cable connected sensors, 9-volt battery, instruction manual—all in a foam-fitted, hard plastic carrying case. |
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