Omega HHT-1501, HHT-1500 User Manual

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Omega HHT-1501, HHT-1500 User Manual

TABLE OF CONTENTS

1. SPECIFICATIONS ......................................................................................

1

2. PANEL FUNCTIONS ...................................................................................

2

3. OPERATING INSTRUCTION.....................................................................

4

3.1. Normal Operation...................................................................................

5

3.2. Using the Mechanical Adaptor (Option RM1502) ................................

6

3.3. Measurement of Surface Speed(m/min, ft/min, or yd/min) .................

7

3.4. Use as an Event Counter with External Light Source ..........................

8

3.5. Use as an Event Counter with Internal Red LED .................................

8

3.6. External Signal(TTL) Input (RM1501)...................................................

9

3.7. Digital Pulse Signal Output (RM1501) .................................................

9

3.8. Measuring Slow Rotating Objects........................................................

10

3.9. Using the MAX/MIN/AVE Function ......................................................

10

3.10. Turning On/Off Tachometer...............................................................

11

3.11. Disable Auto-Power-Off Function......................................................

11

3.12. REPLACING THE BATTERIES .......................................................

12

4. Protocol of RS-232C Serial Interface (RM-1501).....................................

13

5. Installation of WindowTM Application Software (RM-1501)........................

14

6. Description of WindowsTM Application Program (RM-1501).....................

15

1. SPECIFICATIONS

Speed (Non-contact):

 

 

 

 

 

Range

Resolution

Accuracy

RPM

10.00 - 99999

0.01/0.1/1

0.04% ±2 dgts

rps(Hz)

0.200 - 2000.0

0.001/0.01/0.1

0.04% ±2 dgts

 

 

 

 

Speed (Contact)

 

 

 

 

Range

Resolution

Accuracy

RPM / (/

20.00 - 29999

0.01/0.1/1

0.04% ±2 dgts

symoblizes

 

 

 

"Contact"

 

 

 

m/min

2.000 - 2999.9

0.001/0.01/0.1

0.04% ±2 dgts

ft/min

6.00 - 10000

0.01/0.1/1

0.04% ±2 dgts

yard/min

4.00 - 3000

0.01/0.1/1

0.04% ±2 dgts

 

 

 

 

Event Counter:

 

 

Range

Max. Input Frequency

0 - 99999

10KHz. with 5% duty cycle

 

 

External TTL Input

High > 4.5V (RM1501)

Display:

5 digits 99999 counts

Sampling Rate:

0.7 second (> 60 rpm)

 

> 1 second (10 to 60 rpm)

Measuring Distance:

50 to 300 mm

Time Base: 4.0 MHz Quartz Crystal

Range Selection:

Automatic

Battery:

Four 1.5V batteries (AA, UM-3)

Power Consumption:

1.5mA (Idle)

 

5mA (1000.0 - 99999 rpm)

 

25mA (10.00 - 999.99 rpm)

 

25mA (Max, Min or Ave Enabled)

 

25mA (Event Counter)

Auto-Power-Off:

30 minutes.

Operating Temp.

0 to 50°C (32 to 122 °F)

Size:

172 mm x 63 mm x 36 mm (6.8" x 2.5" x 1.5")

Weight:

190 g(6.7 oz.) (including battery)

Accessories:

Carrying case x 1, Reflective tape x 1,

 

Instruction Manual x 1

1

1

2. PANEL FUNCTIONS

2

2

2.1. Reflecting tape

Attach a reflecting tape to the surface of the unit to be measured 2.2. Reflecting signal light beam

It is recommenced that the reflecting surface is perpendicular to the emitting/receiving unit for best measurement.

2.3. Emitting/Receiving Unit

The red light emits from the left side of the tachometer. And a receiving sensor is installed in the right side to receive light signal from the reflecting surface.

2.4. LCD

The lower row of the LCD is a 5 digit number to display RPM, m/min, ft/min, yd/min or counts.

The upper row of the LCD is a clock. If only the minutes is displayed, tachometer is in the auto-power off mode. Power will be turned off in 30 minutes. To disable auto-power-off mode, press and hold the unit button (left button) for 2 seconds. Then the hours will be displayed.

2.5. Function Button

Press the button to select MAX, MIN or AVE function. To return to normal mode, press and hold the button for 2 seconds.

2.6. Start/Hold/On/Off

When the power is turned off, press this button to turn the power on. If the power is on, press this button to start measurement. Press again to hold the data and stop measurement. To turn the power off, press and hold button until "OFF" is displayed in the LCD (about 2 seconds). Release the button, then the power will be turned off.

2.7. Unit Button

Press this button to select different units, such as RPM, RPM / ( / Symbolizes "contact"), m/min, ft/min, yd/min, rps (Hz) or No. of counts. To measurement speed in RPM /, m/min, ft/min or yd/min, the option RM1502 mechanical adaptor must be attached.

When the No. symbol is displayed in the LCD, the unit becomes an event counter. The clock will be reset to zero, and start counting. To stop counting, press the HOLD (START) button once. To reset counts, press the function button(right button).

2.8. MAX/MIN/AVE symbols

Symbols to indicate which of MAX, MIN or AVE function is enabled. 2.9. Low battery warning

3

3

2.10.Start Measurement Symbol

2.11.Hours:Minutes Clock

4

4

3. OPERATING INSTRUCTION

5

5

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