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BT Multiranger Series 5 Digit Bench Tachometers
Functions as a Ratemeter, Counter, Timer or a user scaleable DVM (with analogue input module fitted)

Designed primarily for general trust application of rotating machinery, these pulse related measurement instruments, are ideal for Laboratory and test department applications.

In additional to speed measurement, this versatile indicator includes additional features of Totals Count, Interval Timer & a DVM option (with additional module).

This series of Digital instruments are ideal for displaying both pulse related measurements and analogue DC voltage related parameters between 0-19vdc.

The instruments incorporate a highly flexible user accessible scaling system which provides the user with the facility to calibrate the BT Multiranger read almost any related engineering parameter.

main Features

5 digit Red LED display
Wide speed range 0.001 - 99999 rpm
Versatile, easy to use
Choice of display resolutions
Pre-scaleable displayed values
Analogue input/output modules options
Fully user calibrateable modules
Wide range of Speed sensors

General Specification
Speed range

Count mode
Time ind. mode
Time Acc.

Time Res.
Signal Input
Signal Input
Input freq.
Signal output options

Power inputs
- 0.001 to 99,999 rpm
- Max 0.001 (x4 user selectable settings)
- 0.05% +/- 1 digit
- 0.8 sec (0.1 sec with output
modules fitted)
- up to 8 digits (autorange)
- 0.00 - 99999 secs (reciprocal rate)
- 0.00 - 99999 sec (total time of all
counts - Averaging)
-0.01 Autoranging only
- between 0.001 - 99999 x or
- Pulses from proximity, optical.
Magnetic sensors & Encoders
- 0-10vdc (Optional factory
fitted module)
- 12 KHz (Max)
- Analogue 0-10vdc, 4-20mA or RS232
(Factory fitted Optional modules)
- 110/240AC or 12/24vdc options

Additional Information Signal Output
N/A Pulse Output feature - Standard on all models
In addition the instrument is available with a variety of factory fitted modules

Factory fitted module options
Analogue Input module -

This module converts the instrument into a very versatile 5 digit DVM instrument. Accepts a signal input of 0-10 vdc which can be digitally user scaled to display any related engineering value.

Analogue Output module
This module provides a DC voltage or current output from a Pulse Input signal, ideal for data logging applications.
Available in three options, 0-10 vdc, 0-20mA or 4-20mA. This output is user scaleable through the Digital scaling feature.

RS232 Output modular
This module provides a Serial output of the displayed value.

Fast timebase
These instruments have a timebase of 0.1 seconds when Analogue output & RS232 modules are fitted.



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