Checkline BTM-400PLUS Bedienungsanleitung PDF herunterladen (Seite 2)

1.0 OVERVIEW

The CHECK-LINE

BTM-400PLUS Belt Tension Meter is an electronic measuring

instrument that precisely measures the static tension or natural frequency of flat, V-,

cog or toothed belts of rubber, leather, fabric, plastic and composite materials—at

standstill.

The BTM-400PLUS consists of a gauge body and two (2) separate sensor probes that

emit and receive a pulsed, ruby-red beam of light. One probe is a detachable type,

best for one-handed operation, and the other is a hand-held, cable-connected type, for

easier access to hard-to-reach and “small-window” measuring locations. After certain

belt characteristics have been entered into the gauge’s microprocessor, and a section of

the belt has been caused to vibrate, the probe is brought close to the vibrating belt.

The reflected light signal is then fed into the gauge’s microprocessor which converts it

into a pre-selected reading of either Belt Vibration Frequency (Hz) or Belt Tension

(Newtons (N) or Pounds Force (lbf).

Note: Where only Belt Vibration Frequency (Hz) is of interest, belt characteristics

need not be entered into the microprocessor.

Figure 1. Complete BTM-400PLUS Outfit

11.0 SPECIFICATIONS

Measuring range 10 – 400 Hz

Digital sampling error < 1%

Indication error ±1 Hz

Total error < 5%

Nominal temp. 68 °F (20 °C)

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 6.5 in. x 1.47 in (80 x 165 x 37mm)

Probe cable length 3.9 ft. (1.2 m) overall

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 German, English, French, Italian, Spanish,

Portugese, Danish, Swedish, Norwegian, Finnish

Free span length, max. 30 ft. (10 m)

Belt density, max. 10 kg/m

Power supply 9 volt alkaline battery

* Includes detachable type probe.

Note: All specifications subject to change without notice.

Free Span Length

Belt Density

Keys on the membrane

keypad

ENTER

ARROW UP

ARROW DOWN

ON/OFF

Figure 2. Keypad

1 2 3 4 5 6 7

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