Contact Type
Model No
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| Senser | (optical) 500 mm |
| Contact measurement | 1 to 19999 revolutions/minute (Fluke 931 only) |
| Optical (non-contact) measurement | 1 to 99999 revolutions/minute |
| Battery Life | About 40 hours |
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Senser |
(optical) 500 mm |
Contact measurement |
1 to 19999 revolutions/minute (Fluke 931 only) |
Optical (non-contact) measurement |
1 to 99999 revolutions/minute |
Battery Life |
About 40 hours |
Display |
Digital |
Battery Type |
(2) 1.5V LR6 (alkaline) AA battery |
Operating Temperature |
0°C to 50°C |
Type of Product |
Digital Tachometer |
Weight |
250 g |
Precision |
±0.02%RD+1 |
Dimension |
175 × 60 × 28 mm |
Model No |
FLUKE-931 ESP |
Contact Type |
Contact and Non-Contact |