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HT instruments HT2234N User Manual

Page 5

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HT2234N

EN - 4

4. INSTRUMENT DESCRIPTION

4.1. FRONT

PANEL

1

7

2

4

5

6

3

11

10

9

8

HT2234N

LEGEND:
1. Reflecting tape.
2. Reflecting signal light beam.
3. Emitting / Receiving units.
4. UNIT key.
5. FUNCTION key.
6. START / STOP / HOLD key.
7. MAX/MIN/AVE symbols.
8. Low battery indication.
9. Start measure symbol.
10. Results display (bottom) and clock

display (top) for Hours:Minutes.

11. Emitting signal light beam.

Fig. 1: front panel



4.2. KEYS

DESCRIPTION

• UNIT key
Press ciclycally UNIT key to select the followed units:

RPM:

speed measure without contact

RPM /:

speed measure with contact

m/min: meter/minute
ft/min: feet/minute
yd/min: yards/minute
R/S: frequency

(Hz)

NO.:

events counter with external or internal light source







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