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Made in Japan
Model: DT‑105A
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SHIMPO DT‑105A Contact Style Digital Handheld Tachometer, LCD, 6in Wheel
Overview
The DT‑105A handheld digital tachometer provides precise measurement of rotational, linear, and surface speeds. It features a large 5‑digit LCD display for clear visibility in direct sunlight and offers multi‑mode speed selection for versatile applications. Rugged aluminum construction ensures durability in industrial and laboratory environments.
Key Features
● Multi‑mode speed selection (RPM, RPH, FPM, IPM, mPM, etc.)
● Wide measurement range: 0.10 – 25,000 RPM
● High accuracy: ±0.06 rpm (0.10–999.9 rpm), ±0.6 rpm (1,000–9,999.9 rpm), ±0.006% of reading ±1 digit (max ±2 rpm at 25,000 rpm)
● Oversized 5‑digit LCD display (12 mm high)
● Rugged die‑cast aluminum housing
● Memory system: stores 13 readings (last, max, min, plus 10 extra)
● Long battery life: approx. 65 hours with 2 × AA batteries
● CE marked, supplied with free N.I.S.T. certificate
● Minimum shaft loading overspeed protection
● One‑year warranty
Applications
● Industrial equipment inspection
● Laboratory rotational speed measurement
● Process monitoring and analysis
● Quality control and compliance testing
Accessories (Included)
● Tachometer unit
● 2 cone adapters
● Funnel adapter
● 3.5" extension shaft
● Master wheel (6" circumference)
● Carrying case
● NIST certificate
● Batteries
Technical Specs
| Specification | Value |
|---|---|
| Display Range | 0.10 – 25,000 RPM with floating decimal |
| Accuracy | ±0.06 rpm (0.10–999.9 rpm), ±0.6 rpm (1,000–9,999.9 rpm), ±0.006% ±1 digit |
| Display | 5‑digit LCD, 0.47" (12 mm) high |
| Measuring Units | RPM, RPH, FPM, IPM, mPM, length (m, cm, inches, feet, yards), REV |
| Memory System | 13 readings stored, retained for 5 minutes |
| Detection | Optical coupler, 60 pulses/rev |
| Update Time | 1 second (typical) |
| Over Range Indicator | Flashing numerals |
| Power Requirement | 2 × AA 1.5V batteries (approx. 65 hrs life) |
| Operating Temp. | 0° – 45°C (32° – 113°F) |
| Construction | Die‑cast aluminum housing |
| Dimensions | 182.5 × 60 × 46 mm (7.2" × 2.4" × 1.8") |
| Product Weight | 0.9 lb (400 g) |
| Approvals | CE |