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Extech
Extech 461895 & 461995 Combination Photo / Contact Tachometer
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Parámetros clave
Accuracy
0.05% rdg + 1 digit
Display
Large 0.4 in 5-digit LCD; characters reverse by measurement mode
Photo Rpm 461895
5 to 99,999 rpm
Photo Rpm 461995
10 to 99,999 rpm (laser, up to 6.5 ft / 2 m)
Contact Rpm Range
0.5 to 20,000 rpm (both models)
Resolution
0.1 rpm (<1,000 rpm); 1 rpm (>1,000 rpm)
| Parámetro | Valor |
|---|---|
| Accuracy | 0.05% rdg + 1 digit |
| Display | Large 0.4 in 5-digit LCD; characters reverse by measurement mode |
| Photo Rpm 461895 | 5 to 99,999 rpm |
| Photo Rpm 461995 | 10 to 99,999 rpm (laser, up to 6.5 ft / 2 m) |
| Contact Rpm Range | 0.5 to 20,000 rpm (both models) |
| Resolution | 0.1 rpm (<1,000 rpm); 1 rpm (>1,000 rpm) |
| Surface Speed | 0.2 to 6,560 ft/min; 0.05 to 1,999.9 m/min (contact) |
| Sampling Time | Photo 1 s (>60 rpm); Contact 1 s (>6 rpm) |
| Memory | Last / max / min readings |
| Power | 4 × AA (1.5 V) batteries |
| Dimensions | 8.5 × 2.6 × 1.5 in (215 × 65 × 38 mm) |
| Weight | 10.6 oz (300 g) |
| Laser Feature 461995 | Narrow-beam laser photo tachometer for distant non-contact RPM |