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Amprobe
Amprobe TACH20 Combo Tachometer
Quote on request
No online payment · add lines to RFQ BOM
TACH20: optical 1–99999 rpm; contact 1–19999; ±0.02%; surface speed. RFQ kit.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Accuracy
±0.02% of reading ±1 digit
Rotation Optical
1 to 99,999 rpm (non-contact infrared)
Rotation Contact
1 to 19,999 rpm (mechanical)
Surface Speed
0.10 to 1,999 m/min; 0.40 to 6,550 ft/min (Ø0.1 m wheel)
Length Measurement
0 to 99,999 m / ft / in
Sensing Distance Optical
max 600 mm (24 in)
Fits rotational and surface-speed checks where you need an Amprobe TACH20—infrared non-contact to 99,999 rpm and contact to 19,999 rpm with ±0.02% of reading ±1 digit.
Key advantages
- Optical RPM — 1–99,999 rpm infrared non-contact
- Contact RPM — 1–19,999 rpm mechanical
- Accuracy — ±0.02% of reading ±1 digit
- Sensing distance — Optical up to 600 mm (24 in)
- Units — rpm plus m/min, ft/min, in/min, m/s, ft/s; length modes
Typical applications
- Motor / fan RPM checks.
- Conveyor surface speed.
- Maintenance length / rate measurements.
Selection guide
- Wheel size — 0.1 m / 6 in / 12 in
- Reflective tape stock
- Contact tips included
Common mistakes
- Optical aim beyond 600 mm.
- Wrong wheel diameter setting for surface speed.
- Skipping reflective tape prep.
When to RFQ / what to tell us
- Kit contents needed.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 33553 |
| Brand | Amprobe |
| Model | TACH20 |
| Product type | Tachometer |
| Type | Contact / non-contact combo tachometer (Amprobe TACH20) |
| Optical RPM | 1–99,999 rpm (infrared non-contact) |
| Mechanical RPM | 1–19,999 rpm (contact) |
| Accuracy | ±0.02% of reading ±1 digit |
| Sensing distance | Optical up to 600 mm (24 in) |
| Surface speed | m/min, ft/min, in/min, m/s, ft/s via contact wheels |
| Memory | Max/Min/Avg + last reading |
| Power | 2 × AA |
Documents
FAQ
Q: Optical range? A: 1–99,999 rpm; sensing distance to 600 mm.
Q: Accuracy? A: ±0.02% of reading ±1 digit.
Q: What should I send for a quote? A: Quantity, accessories, ship-to.
Links
| Parameter | Value |
|---|---|
| Accuracy | ±0.02% of reading ±1 digit |
| Rotation Optical | 1 to 99,999 rpm (non-contact infrared) |
| Rotation Contact | 1 to 19,999 rpm (mechanical) |
| Surface Speed | 0.10 to 1,999 m/min; 0.40 to 6,550 ft/min (Ø0.1 m wheel) |
| Length Measurement | 0 to 99,999 m / ft / in |
| Sensing Distance Optical | max 600 mm (24 in) |
| Memory | MAX / MIN / AVG / last reading auto-store |
| Battery | 2 × AA 1.5 V LR6 |
| Operating Temperature | 0 to +50 °C (32 to 122 °F) |
| Dimensions | 175 × 60 × 28 mm (7 × 2.5 × 1 in) |
| Weight | 250 g (0.55 lb) |
| Agency | CE |