| | - | ±0.05% + 1 位 | - | - | - | 接触式,非接触式 | - | 9V | LCD | - | 60 x 42 x 160mm | 160g | 160mm | 60mm | - | - | - |
|
| | - | ±0.05 % | - | - | - | 非接触式 | - | 9V | LCD | - | 60 x 42 x 160mm | 151g | 160mm | 60mm | - | - | - |
|
| | - | ±0.05 % | - | - | DT-2235B | 接触式 | - | 1.5 V AA | LCD | 19999rpm | 72 x 37 x 208mm | 280g | 208mm | 72mm | +50°C | 0°C | 0.5rpm |
|
| | ±0.05 % | - | ±0.05 % | - | DT-2234B | 光学 | - | AA | LCD | 99999rpm | 72 x 37 x 208mm | 280g | 208mm | 72mm | +50°C | 0°C | 5rpm |
|
| | - | ±0.05 % | - | - | DT-2234BL W/CA-05A | 激光 | - | 1.5 V AA | LCD | 99999rpm | 72 x 37 x 190mm | 250g | 190mm | 72mm | +50°C | 0°C | 10rpm |
|
| | - | ±0.02 % | - | - | - | 非接触式 | - | AA | LCD | 99999rpm | 170 x 70 x 40mm | 250g | 40mm | 170mm | +50°C | 0°C | 0rpm |
|
| | - | ±0.05 % | - | - | DT-2236 | 接触式,光学 | - | 1.5 V AA | LCD | 99999rpm | 65 x 38 x 215mm | 280g | 215mm | 65mm | +50°C | 0°C | 0.5rpm |
|
| | - | ±0.02 % | - | - | - | 接触式,非接触式 | - | AA | LCD | 99999rpm | 170 x 70 x 40mm | 250g | 40mm | 170mm | +50°C | 0°C | 0rpm |
|
| Extech | - | ±0.04 % | - | - | RPM250W | - | - | AAA | LCD | 99999rpm | - | - | - | - | - | - | - |
|
| Testo | - | ±0.02 | - | - | testo 460 | 非接触式 | 20 H | 2 AAA 微型 | 数字 | 29999rpm | - | - | - | - | - | - | - |
|
| Compact | ±0.05 % | - | ±0.05 % | - | A2103 | 光学 | - | AAA | LCD | 99999rpm | - | - | - | - | - | - | 3rpm |
|
| Testo | - | ±0.02 % | - | - | 465 | 光学 | 40 h | AA | LCD | 99999rpm | 5.7 x 2.3 x 8in | 145g | 8in | 5.7in | +122°F | +32°F | 1rpm |
|
| Extech | - | 0.05 % | - | - | RPM33 | 激光 | - | - | 背光LCD | 99999rpm | - | - | - | - | - | - | - |
|
| Extech | - | ±0.05 % | - | - | 461920 | - | - | 9V | LCD | 99999rpm | - | - | - | - | - | - | - |
|
| Extech | - | ±0.05 % | - | - | 461891 | 接触式 | - | AA | LCD | 20000rpm | - | - | - | - | - | - | - |
|
| Extech | - | ±0.1 % | - | - | 461750 | 非接触式 | - | 9V | LCD | 20000rpm | - | - | - | - | - | - | - |
|
| Compact | ±0.5 % | - | ±0.5 % | - | A2108 | 接触式,光学 | - | AAA | LED | 60000rpm | - | - | - | - | - | - | 100rpm |
|
| SKF | - | ±0.05 % | - | - | TKRT 10 | 接触式,光学 | 12 h | 9V | LCD | 99999rpm | 60 x 42 x 160mm | 160g | 160mm | 60mm | +50°C | 0°C | 2rpm |
|
| Testo | - | ±0.02 % | - | - | 470 | 接触式,光学 | 40 h | AA | LCD | 99999rpm | 175 x 60 x 28mm | 190g | 6.9in | 2.4in | +50°C | 0°C | 1rpm |
|
| Extech | - | ±0.05 % | - | - | 461950 | 数字式 | - | - | LED | 99990rpm | - | - | - | - | - | - | - |