




Multispan RPM Series Digital RPM Indicator | 4-Digit Display | Proximity/Micro Switch Input | 100–270V AC
Multispan RPM Series Digital Tachometer – RPM-1201 / RPM-2201 / RPM-3201 / RPM-4201
Digital RPM indicators with 4-digit LED display, pulse-based input, and wide AC supply range for accurate motor and machine speed monitoring.
The Multispan RPM Series—RPM-1201, RPM-2201, RPM-3201, and RPM-4201—are compact and accurate digital RPM indicators designed for real-time speed monitoring of motors and rotating machinery. With a 4-digit LED display and compatibility with pulse-based proximity or micro switch sensors, these indicators fit seamlessly in industrial panels and OEM machinery.
Key Features
Wide RPM Range: Measures 4 to 5000 RPM reliably
4-Digit LED Display: Clear visibility with a 7-segment red LED
Pulse-Based Input: Works with proximity sensors or micro switches
Wide Voltage Range: 100–270V AC, suitable for all industrial panels
Multiple Panel Sizes: Available in 96×96, 72×72, 48×96, and 48×48 formats
Durable Enclosure: Designed for harsh industrial conditions
Real-Time Monitoring: Instant RPM updates
Easy Panel Mounting: Standard clamp-type installation
Technical Specifications (Table)
| Specification | Details |
|---|---|
| Models | RPM-1201, RPM-2201, RPM-3201, RPM-4201 |
| RPM Range | 4–5000 RPM |
| Display | 4-digit red LED |
| Input Type | Proximity Sensor / Micro Switch (pulse input) |
| Supply Voltage | 100–270V AC, 50/60 Hz |
| Mounting Type | Panel Mount |
| Sizes | 96×96 / 72×72 / 48×96 / 48×48 mm |
| Enclosure | Industrial-grade casing |
| Accuracy | High-speed pulse calculation |
| Output | Display only (no relay) |
| Indications | Real-time RPM |
Applications
Motor and spindle RPM monitoring
Conveyor and rotating drum speed display
Printing, textile & packaging machinery
Production line speed diagnostics
Fan, blower, and impeller monitoring
OEM machinery requiring RPM indication
What’s in the Box?
1 × Multispan RPM Indicator (selected model)
Panel mounting clamps
Installation & wiring guide
Warranty card
FAQ
Q1. What sensors are supported?
Proximity sensors and micro switches that generate pulse output.
Q2. What RPM range does it measure?
From 4 to 5000 RPM.
Q3. Are the models different in function?
All models work identically; only panel size and mounting dimension differ.
Q4. Is the display real-time?
Yes, it updates speed continuously based on pulse frequency.
Q5. Can it be used in a 230V AC panel?
Yes, it supports 100–270V AC, making it suitable for all standard industrial setups.