Mitutoyo U-WAVE-TC 264-621 Wireless Transmitter

Technical Overview

A 2.4 GHz wireless transmitter for Digimatic calipers with a 20m range. Features buzzer and LED data feedback, 400k transmissions from one CR2032 battery.

Key Features

Direct mounting behind caliper display eliminates restrictive cables
Dual feedback with audible buzzer and multi-color LED confirmation
Proprietary 2.4 GHz wireless protocol (IEEE 802.15.4 base)
Communication distance of up to 20 meters (within line of sight)
Supports Digimatic (6-digit) and Digimatic 2 (8-digit) automatic identification
High data transmission rate of 250 kbps over 15 selectable channels
Extremely low power consumption with up to 400,000 transmissions per CR2032 battery

Technical Specification Matrix

Parameter	Value
Wireless Communication Protocol	Proprietary (2.4 GHz by original specification based on IEEE 802.15.4)
Communication Distance	Approx. 20 m (within visible range)
Communication Frequency	2.4 GHz band (2.405 to 2.475 GHz, 15 channels, 5 MHz interval)
Transmission Output	2.5 mW (4 dBm) or below
Modulation Method	DS-SS (Direct Sequence Spread Spectrum)
Data Reception Indication	Buzzer and LED (green, red, orange)
Power Supply	Lithium battery CR2032 x 1
Battery Life	Approx. 400,000 transmissions
Communication Speed	250 kbps
Measuring Tool Compatibility	100, 150, 200, 300 mm standard or IP67 calipers
Communication with Measuring Tool	Digimatic (6 digits), Digimatic 2 (8 digits) automatic identification
Protection Level	N/A (Buzzer/LED Standard Model)
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	5.6 x 3.04 x 1.15

Industrial Applications

1. Automotive Component Precision Quality Control

In automotive manufacturing, inspectors must measure critical dimensions of machined metal parts like pistons or brake calipers. Using a digital caliper with the U-WAVE-TC transmitter allows inspectors to transmit values directly to a centralized Quality Assurance database. The 20m line-of-sight range enables mobility around large vehicle sub-assemblies.

Problem Solved

Eliminates the risk of manual data entry transposition errors on busy assembly lines, while the acoustic buzzer and LED confirm successful data logging in high-noise environments without requiring inspectors to look at a PC screen.

Digimatic2.4 GHz wirelessSPC data loggingAcoustic feedbackIEEE 802.15.4

2. High-Volume Assembly Line Inspection

For consumer electronics or precision medical device manufacturing, operators perform millions of linear tolerance checks daily. This transmitter provides instant 250 kbps data transfers to SPC software (like Mitutoyo MeasurLink or Microsoft Excel), helping track process capability (Cp/Cpk).

Problem Solved

Reduces inspection cycle time per part from several seconds (for manual typing or cable-tethered entry) to a single button press. The long CR2032 battery life ensures uninterrupted operation for up to 400,000 cycles, minimizing downtime.

Statistical Process ControlMeasurLink250 kbpsLow power consumptionDigimatic 2

3. Large-Scale Metal Fabrication Shop Measurements

In fabrication shops where huge metal sheets, tubes, or structures are measured at various workstations, inspectors must carry measuring tools to the workpiece. The transmitter connects to the caliper and stays behind the LCD display without adding bulky cables that could hook on sharp metal edges.

Problem Solved

Allows inspectors to move freely without being tethered by data cables to a workstation. The rigid, compact form factor (56 x 30.4 x 11.45 mm) fits cleanly behind the display to maintain ergonomic tool operability, preventing cable snags and potential gauge drops.

Cableless data transferCompact designCaliper integrationWireless transmitter2.4 GHz ISM band