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Extech 461895 Combination Contact/Photo Tachometer
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Extech 461895
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Features:
- Unique display where characters reverse direction depending on measurement mode you are in
- Large 0.4” (5 digit) LCD display
- Microprocessor based with quartz crystal oscillator to maintain high accuracy
- Tachometer memory stores last, max and min readings
- Provides wide RPM (photo and contact) and
- Linear Surface Speed (contact) measurements
- Accurate to 0.05% with max resolution of 0.1rpm in either photo or contact mode
- Complete with tips and wheel for rpm or linear surface speed, four 1.5V AA batteries, reflective tape and carrying case
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Description
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The combination tachometer is a patented design providing contact and non-contact RPM measurements. In addition, linear surface speeds can be measured in ft/min. or m/min.
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Models, Options, & Accessories
| Model |
Description |
List Price |
Sale Price |
| 461895 |
TACHOMETER, COMBINATION PHOTO/CONTACT |
| $229.99 |  |
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| 461895-NIST |
TACHOMETER W/NIST 461895 |
| $324.99 | |
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| 461995 |
TACHOMETER, PHOTO/CONTACT WITH LASER |
| $279.99 | |
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| 461995-NIST |
TACHOMETER WITH NIST 461995 |
| $374.99 | |
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| Model |
Accessories |
List Price |
Sale Price |
| 461936 |
TAPE, REFLECTIVE, 5 PAK FOR PHOTO TACHOMETER |
| $20.00 | |
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| 461899 |
WHEEL, PKG OF 3 FOR CONTACT TACHOMETER |
| $20.00 | |
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| 461885 |
Please call or email us for pricing and availability. |
| 461887 |
Please call or email us for pricing and availability. |
| 461888 |
Please call or email us for pricing and availability. |
Specifications
| General Specifications |
| Circuit |
Custom one-chip LSI microprocessor circuit. |
| Time base |
Quartz crystal |
| Display |
5 digit, 10 mm (0.4") LCD display with function annunciation |
| Measurement |
Photo Tachometer - 5 to 99,999 rpm, Contact Tachometer - 0.5 to 19,999 rpm, Surface Speed - 0.2 to 6,560 ft/min, Surface Speed - 0.05 to 1,999 m/min |
| Memory |
Last value, last max. reading, last min. reading |
| Sampling Time |
Photo Tachometer - 1 sec. (over 60 rpm), Contact Tachometer - 1 sec. (over 6 rpm) |
| Detecting Distance |
Photo Tachometer 50 to 150 mm (2 to 6 inches) depending on ambient light |
| Operating Temperature |
32 °F to 122 °F (0 °C to 50 °C) |
| Power Supply |
4x 1.5 V AA (UM 3) batteries |
| Weight |
0.66 lbs. / 300g (including battery) |
| Size |
8.5 x 2.6 x1.5” (215 x 65 x 38mm) |
| Accessories |
Reflective tape (23"), cone and funnel rpm adaptor, surface speed test wheel, and carrying case |
| Electrical Specifications |
| Photo Tachometer |
5 to 99,999 rpm |
| Contact Tachometer |
0.05 to 19,999 rpm |
| Surface Speed |
0.2 to 6560 ft/min |
| Surface Speed |
0.05 to 1999.9 m/min |
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