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Milli-Vib - Vibration Sensor

Milli-Vib - Vibration Sensor

Product catalog summary

Product Overview
The Milli-Vib is a robust vibration sensor designed for continuous monitoring of vibration levels in industrial environments. It features a compact, IP66 stainless steel enclosure and is approved for use in hazardous areas (ATEX, IECEx, UKEx Zone 20, and Class II Div 1).

Key Features

Monitors RMS velocity in the range of 0-25 mm/s.
Operates as a 2-wire, 4-20mA loop-powered sensor.
Includes a 3/4” NPT conduit fitting and a 1/4” – 28 Female UNF mounting thread.

Part Numbers and Accessories

VIBMIL21V4CAI - Standard sensor model.
VIBMILM6 and VIBMILM8 - Thread adaptors for different mounting requirements.

Application and Installation
The sensor is designed for easy installation with a 1/4”-28 UNF female mounting thread. It should be mounted vertically along the Y-axis of the machinery for optimal sensitivity. The sensor is loop-powered and outputs a linear 4-20mA signal proportional to the vibration velocity.

Technical Specifications

Power Supply: +15 VDC to +24 VDC (+10%).
Power Dissipation: 0.56 Watts Max.
Frequency Range: 4-20 mA proportional to measuring range.
Maximum Load: 600 Ohms at 24 VDC.
Operating Temperature: -40 °C to +50 °C.
Dimensions: Height 72 mm x Width 27 mm.
Mounting Torque: 8 Nm.
Cable: 3m long, with 2 or 4 cores 24 AWG.

Approvals
The Milli-Vib sensor is approved for use in hazardous locations, including ATEX, IECEx, UKEx Zone 20, and Class II Div 1 Groups E, F & G (US & Canada).

Catalog excerpts

PRODUCT DATASHEET Milli-VibVibration Sensor APPLICATION VIBMIL is a vibration sensor designed for continuous monitoring of vibration levels in industrial environments. It is current loop powered accelerometer and delivers accurate vibration RMS velocity using a 420 mA output. Built with a stainless-steel enclosure, including a 3/4” NPT thread for conduit connection. METHOD OF OPERATION The VIBMIL is equipped with female 1/4”-28 UNF female mounting thread, allowing the use of a screw, stud, or mounting stud to secure the sensor to the desired application. The sensor is supplied with a 1/4”-28 UNF set screw as standard. Optional converters to M8 and M6 male threads are available. To achieve maximum sensitivity, mount the sensor vertically along the Y-axis of the machinery. To ensure accurate readings and proper functioning of the VIBMIL, securely fix it to a level surface during installation. Implement the 2 wire, loop powered accelerometer into the desired control system and measure the linear output from 4 - 20mA proportional to the sensors measuring range. FEATURES ► Robust, compact, IP66 Stainless Steel enclosure ► Monitors RMS velocity in mm/s ► Measuring range 0-25 mm/s ► 2 wire 4-20mA loop powered sensor ► 3/4” NPT conduit fitting ► 1/4” - 28 Female UNF mounting thread. ► ATEX, IECEx, UKEx Zone 20 Approved ► Class II Div 1 Approved PART NUMBERS/ACCESSORIES ► VIBMIL21V4CAI - Milli-Vib Vibration Sensor 1/4"-28UNF - No Temp. - NRTL / ATEX / IECEx / UKEx ► VIBMILM6 - VIBMIL 1/4”-28 UNF Male to M6 Male thread Adaptor ► VIBMILM8 - VIBMIL 1/4”-28 UNF Male to M8 Male thread Adaptor Copyright © 2023 4B Group. All rights reserved. Information is subject to change or modification without notice. Refer to instruction manual for installation information. CRD021224

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PRODUCT DATASHEET Milli-Vib WIRE DESCRIPTION TECHNICAL SPECIFICATIONS Power Supply Power Dissipation Measuring Range Frequency Range Maximum Load Power-on Time Operating Temp Dimensions Mounting Thread Mounting Torque Housing Material Cable Approvals + 15 VDC to +24 VDC (+10%) 0.56 Watts Max • 0 - 25 mm/s RMS Velocity (VIBMILxlxVxx) 4 - 20 mA proportional to Measuring Range 600 Ohms at 24 VDC Supply Voltage < 10 sec -40 °C to +50 °C Height 72 mm x Width 27 mm 1/4”-28 UNF female thread (supplied with 1/4”-28 UNF set screw) 8 Nm Stainless Steel 3m (9.8 ft) long, with 2 or 4 cores 24 AWG ATEX, lECEx,...

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