Japan, Line Seiki, Measurement, Mechanical Counters
Line Seiki RS-303 Ratchet Counter

Product Made in Japan
Manufacturer: Line Seiki
Model: RS-303
RS-303 Ratchet Counter
Description
The RS-303 Series is a large size 5 digit ratchet counter. It has a large digit size of 6.0 x 4.5mm. The counter features a shaft on the right side that moves in an upward direction. It counts using a ratchet movement mechanism within the input shaft and can handle speeds as fast as 300 counts every minute. As part of the RS-303 series, this counter is designed to be mounted at the base. Moreover, it includes a convenient reset knob for easy adjustments.
Count Type
Ratchet Counter
Adds 1 count for each 40 – 45° actuation of lever.
Count Speed:
- RS-204, RSL-204 Series : 1,000 counts / minute
- RS-5 (II), RS-6 (I) : 600 counts / minute
- RS-4 (I), RS-5 (I), RS-303-5 (I) : 300 counts / minute
Count Direction / Shaft Position
| TYPE 1 Shaft on right Top Going |
Model Selection
| Type | Digits | Figures(mm) | Type1 | Type2 | Type3 | Type4 |
| Ratchet (Adds 1 count for each 40 – 45° actuation of lever) | 5 | 6.0 x 4.5 | RS-303-5 (1) | – | – | – |
Specification
| Operating Temperature | -5 – +40°C(Non-freezing) | Operating humidity | 85%RH maximum(Non-Condensing) |
Dimension

Application
Metal Stamp Machine / Various Machines
To make the most of our investment and boost profits, it’s essential to monitor machine usage by tracking the number of units it produces. Each time the machine completes a stroke, the counter adds a unit. You can set the machine to register the stroke either when it moves up or down.
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