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 is right shaft – top going and counting is done thru ratchet movement of the input shaft with speeds upto 300 counts/minute. The RS-303 Series is base mounted and comes with a reset knob.
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| TYPE 1 Shaft on right Top Going |
| 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) | – | – | – |
| Operating Temperature | -5 – +40°C(Non-freezing) | Operating humidity | 85%RH maximum(Non-Condensing) |
