MRC DT-2236 Manual de usuario

DIGITAL

PHOTO/CONTACT

TACHOMETER

Model : DT-2236

PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION

3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]

MRC.10.15

TABLE OF CONTENTS

1. FEATURES ......................................................................... 1

2. SPECIFICATIONS ............................................................... 1

3. FRONT PANEL DESCRIPTIONS.............................................3

4. PHOTO TACHOMETER MEASURING PROCEDURE ................. 4

5. CONTACT TACHOMETER MEASURING PROCEDURE .............

5-1 RPM Measurement.........................................................4

5-2 Surface Speed Measurement..........................................

6. MEMORY CALL BUTTON OPERATION .................................. 5

7. BATTERY REPLACEMENT ....................................................6

8. PATENT & PATENT PENDING .............................................

1. FEATURES

* Multi-function, single instrument with combined

PHOTO TACHO (RPM) & CONTACT TACHO

(RPM,m/min., ft/min.)

* Wide measuring range form 0.5 to 100,000 RPM.

* The last value/max. value/min. value will be automatically

stored in memory and can be recalled by pressing

MEMORY CALL BUTTON.

* High visible, with zero suppression LCD display gives

exact RPM with no guessing or error and saves battery

energy.

* The tachometer uses an exclusive one chip

MICRO-PROCESSOR LSI-circuit and crystal time base

to offer high accuracy measurement & fast measuring time.

* The instrument uses durable, long-lasting components,

enclosed in a strong, light weight ABS-plastic housing

which assures maintenance free performance for many

years. The housing has been carefully shaped to fit

comfortably in both hands.

2. SPECIFICATIONS

Display 5 digits, 10mm (0.4") LCD (Liquid Crystal

display) with function annunciation.

Measurement Photo Tacho 5 to 99,999 RPM.

Contact Tacho 0.5 to 19,999 RPM

Surface Speed 0.05 to 1,999.9 m/min.

(m/min.)

Surface Speed 0.2 to 6,560 ft/min.

(ft/min.)

Resolution Photo 0,1 RPM (5 to 999.9 RPM).

Tacho 1 RPM (over 1,000 RPM).

Contact 0,1 RPM (0.5 to 999.9 RPM).

Tacho 1 RPM (over 1,000 RPM).

Surface 0.01 m/min.(0.05 -99.99 m/min.)

Speed 0.1 m/min. (over 100 m/min.)

(m/min.)

Surface 0.1 ft/min. (0.1 to 999.9 ft/min.)

Speed 1 ft/min. (over 1,000 ft/min.)

(ft/min.)

Accuracy (0.05% + 1 digit).

Samplin

Time Photo Tacho - 1 sec. /over 60 RPM.

Contact Tacho - 1 sec. /over 6 RPM.

Photo Tacho 50 to 150 mm/2 to 6 inch. (typical max.

Detecting 300mm/12 inch, depending upon ambient

Distance light).

Range select Automation.

Time base Quartz crystal.

Circuit Exclusive one-chip design microprocessor

LSI circuit.

Battery 4 x 1.5V AA ( UM-3 ) battery.

Operation 0 - 50 蚓(32 - 122 蚌).

Temperature

Size 215 x 65 x 38 mm.

(8.5 x 2.6 x 1.5 inch).

Wei

ht 300g(0.66 LB)/including battery.

Accessories Carrying case ..................................1 PC.

Reflecting tape marks (600mm).......1 PC

RPM adapter (CONE).......................1 PC.

RPM adapter (FUNEL)......................1 PC.

Surface speed test wheel.................1 PC.

Operation manual ............................1 PC.

3. FRONT PANEL DESCRIPTION

Fig. 1

3-1 Reflective mark

3-2 Signal light beam

3-3 Monitor indicator

3-4 Display

3-5 Measure button

3-6 Memory call button.

3-7 Function select switch

3-8 Rotating ring

3-9 Circumferential speed ring

3-10 Battery Compartment

4. PHOTO TACHOMETER MEASURING

PROCEDURE

A. Slide the FUNCTION SWITCH (3-7, Fig.1) to "RPM

(PHOTO)" position.

B. Affix a reflective mark (tape) to the object being measured.

Press the MEASURE BUTTON (3-5 Fig. 1) and align

the visible light beam with the reflective mark (3-1, Fig. 1)

Ensure that the MONITOR INDICATOR(3-3, Fig. 1)

lights when the target passes through the light beam.

Release the MEASURE BUTTON (3-5 Fig.1) when

the reading stabilizes(about 2 seconds),

In order to obtain greater accuracy for

measurement of less than 50 RPM, use 2 or 3

pieces of reflective tape and then divide the

reading with the number of pieces used to

calculate the final figure.

5. CONTACT TACHOMETER MEASURING

PROCEDURE

5-1 RPM Measurement

A. Slide the FUNCTION SWITCH (3-7, Fig.1) to "RPM

(CONTACT)" position.

B. Press the MEASURE BUTTON (3-5, Fig. 1) and lightly

pressing the rotating devise (3-8, Fig. 1). Release The

MEASURE BUTTON (3-5 Fig.1) When the reading

stabilizes (approx. 2 seconds).

5-2 Surface Speed Measurement

A. Slide the FUNCTION SWITCH (3-7, fig.1) to

"m/min.(SURFACE SPEED) or "ft/min. (SURFACE

SPEED)".

B. Press the MEASURE BUTTON (3-5 fig. 1) and simply

attaching surface speed test wheel to the detector.

Release The MEASURE BUTTON (3-5 Fig.1) When

the reading stabilizes.

6. MEMORY CALL BUTTON OPERATION

6-1 The minimum, maximum and the last (final) readings

are automatically stored during measurement.

These values can be recalled anytime by pressing the

MEMORY CALL BUTTON(3-6, Fig. 1).

6-2 To recall the stored value, follow these procedures.

A. Press the "MEMORY CALL BUTTON"(3-6 Fig. 1) once

to display the last reading. The symbol " LA " will appear on

the display.

B. Press the "MEMORY CALL BUTTON"(3-6 Fig. 1) once

again to display the maximum value. The symbol " UP " will

appear on the display.

C. Press the "MEMORY CALL BUTTON"(3-6 Fig. 1) once

more to display the maximum value. The symbol " dn " will

appear on the display.

7. BATTERY REPLACEMENT

(1) When the battery voltage drops below 4.5V dc, the symbol

" LO " will appear on the display. The battery should be

replaced.

(2) Remove the screw retaining the battery compartment lid,

and slide the cover away from the instrument.

Remove the battery.

(3) Install the new batteries ( 4 x 1.5 V AA/UM-3 ) and

replace the cover.

8. PATENT & PATENT PENDING

This exclusive TACHOMETER already holds patent in

USA - 4,823,080,

GERMANY - G9015492.4 G8708922.0,

TAIWAN - 45478,

6DT-2236

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