In the section descriptions in Tag Heuer photocell HL 2-31 User's Manual, mentioned that this unit is an infra-red photocell with interal or external power supply modes and two functions, the which is IMPLUSE mode with adjustment of duration of the impulse output (standard mode) and DIRECT mode with timing impulse the which correspond to the breaking of the Infra-Red beam. This mode makes possible the control of the good functioning and alignment of the photocells. This mode exists since up 7000 serial number. In the Tag Heuer photocell HL 2-31 User's Manual also contains information about the maintenance that is useful for users and technicians.
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Tag Heuer HL 2-31 Photocell Product Specification
Photocell ref. HL 2-31
Principle | High frequency infra-red (32 KHz) |
Piloting by quartz | |
Detection of signal by frequency comparison | |
Distance for use | 20 Meters at 20° C |
15 Meters at -20° C | |
Min. distance between | |
moving body and photocell | 30 cm |
Output impulse | By optocouplers and working contact. |
Impulse adjustable from 1/100 sec. to 2 seconds | |
Working temperature | - 20°C to + 50°C |
Internal power | 3 batteries 1.5 V "Alkaline", Type – AA LR6 |
External power | 6 – 12V DC, Max. current 100 mA |
Internal power reserve | 100 hours at 20°C |
LED Checks | - State of batteries |
- Alignment | |
Precision of repetitive impulsions | +/- 0.02 ms |
Dimensions | 150 x 80 x 40 mm (6 x 3,1 x 1,5 inches) |
Weight (incl. batteries and reflector) | 500 gr (18 ounces) |
Mounting | with supports ref. HL 4-3 or tripods (1/4 " camera thread) |
If you are looking for Tag Heuer HL 2-31 Photocell User's Manual, please download it from their official website that the link is below.
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