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The Reed Instruments model K4010 has changed to model R7140. The R7140 is a dual function tachometer that has the ability to measure RPM with non-contact (visible light) and contact (ft/min / m/min) measurements quickly and accurately.
Includes:
- • Photo / Contact Tachometer
- • Reflective Tape
- • Large and Small Cone Tip Adapters
- • Funnel Adapter
- • Wheel Adapter
- • Batteries
- • Hard Carrying Case
RPM Range (Contact) | 0.5 to 19,999 |
RPM Range (Photo) | 5 to 99,999 |
Surface Speed Range | 0.05 to 1,999.9 m/min |
0.2 to 6,560 ft/min | |
Resolution | Photo: 0.1 RPM (≤999.9) / 1 RPM (>1000) Contact: 0.1 RPM (≤999.9) / 1 RPM (>1000) Surface: 0.1 m/min (≤99.99) / 0.1 ft/min (≤99.99) / 1 ft/min (>1000) |
Basic Accuracy | ±(0.05% + 1 dgt.) |
General Specifications | |
Visible Indicator | Yes (Light) |
Target Distance | 1.0ft (300mm) (Photo) |
Response Time | <1 sec |
Sampling Time | Photo: 1 sec (over 60 RPM) Contact: 1 sec (over 6 RPM) |
Display Size/Type | 5 Digit LCD Display |
Auto shut-off | Yes |
Internal Memory | Max, Min and Last |
Low Battery Indicator | Yes |
Power Supply | 4 x AA Batteries |
Product Certifications | CE |
Operating Temperature | 32 to 122°F (0 to 50°C) |
Storage Temperature | -4 to 140°F (-20 to 60°C) |
Operating Humidity | 10-90% |
Dimensions | 8.5 x 2.6 x 1.5" (215 x 65 x 38 mm) |
Weight | 10.6oz (300g) |
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