Skip to Main Content
  • Instrumart
Instrumart logo
  • Products
  • Brands
  • Applications
  • Lab
  • Blog
  • Account
  • Email Us
  • 1-800-884-4967
  • What can we help you find?

    Can’t find what you’re looking for? Contact one of our engineers today. We’re open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
    • 1-800-884-4967
    • Email Us
    • Live Chat
  1. Air Velocity Meters

TSI Alnor VelociCalc 9525 Air Velocity Meter

Intrinsically safe meter air velocity with 3" retractable probe.

TSI Alnor VelociCalc 9525 Air Velocity Meter
TSI Alnor VelociCalc 9525 Air Velocity Meter
Retired products cannot be ordered
Please view the Air Velocity Meter category page to find a replacement

View Company Reviewsby Trustpilot
Part Number
  • 9525
Manufactured
  • Made in the USA
Includes
  • FREE Ground Shipping on orders of $1,000 or more
  • FREE Lifetime Tech Support
Questions?
Call 1-800-884-4967 or email sales@instrumart.com. Open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.
Trustpilot

Overview

Features

  • Accurate air velocity measurement suitable for 0 to 2,000 ft/min (0 to 10 m/s)
  • Integrated 3” retractable probe attachment
  • Large, easy to read display
  • Intrinsically safe. UL listed for use in Class I Groups C and D, Class II Groups E, F and G and Class III when used with alkaline batteries.
  • NIST-traceable calibration certificate included
  • Weighs 0.6 lbs (0.27 kg)

Description

The TSI Alnor VelociCalc 9525 air velocity meter is an economical, intrinsically safe digital meter typically used for face velocity measurements in fume hoods, spray booths or for IAQ and ventilation system checks. The VelociCalc 9525 utilizes a 3" retractable probe and is UL listed as intrinsically safe for use in hazardous locations for Divisions 1 and 2 in Class I, Groups C and D; Class II, Groups E, F and G; and Class III.

With an accuracy of ±5% of reading or ±5 ft/min (±0.025 m/s), TSI Alnor VelociCalc 9525 air velocity meters measure air velocity over a range from 0 to 2000 ft/min (0 to 10 m/s). Results are shown on the easy to read LCD display. The TSI Alnor VelociCalc includes a certificate of calibration.

The TSI Alnor VelociCalc 9525 air velocity meter ships complete with:

  • Hard carrying case
  • 4 alkaline batteries
  • Operation and service manual
  • Calibration certificate
The TSI Alnor VelociCalc 9525 Air Velocity Meter Specifications:
Air Velocity Range 0 to 2,000 ft/min (0 to 10 m/s)
Accuracy ±5% of reading or ±5 ft/min (±0.025 m/s), whichever is greater
Resolution 1 ft/min (0.01 m/s)
Probe Length 3.1"
Probe Diameter 0.25" at tip
0.25" at base
Power Requirements 4 AA batteries

Documents

Documents

  • TSI Alnor VelociCalc 9525 Air Velocity Meter Data Sheet PDF (1.7 MB)
  • TSI Alnor VelociCalc 9525 Air Velocity Meter Manual PDF (355 KB)
  • TSI Alnor HVAC Assessment Handbook (1.7 MB)
  • TSI Alnor Indoor Air Quality Handbook (1.3 MB)

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET

Rhys D. headshot Rhys D.
Applications Engineer
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
David S. headshot David S.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
David S. headshot David S.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer

Recently Viewed

TSI Alnor VelociCalc 9525 Air Velocity Meter
TSI Alnor VelociCalc 9525 Air Velocity Meter
United States Canada Mexico
Shop
Products
Brands
Applications
Support
Customer Service
Ask a Question
Live Chat
Track Order
Fraud Prevention
Financing
Our Company
Blog
About Us
Contact Us
Jobs
Travel Information
Our Team
Privacy Policy
Accessibility Statement
Connect
1-800-884-4967
sales@instrumart.com
Instrumart
35 Green Mountain Dr
S Burlington, VT 05403 US
Mo-Th 8:00am to 5:30pm ET
Fr 8:00am to 5:00pm ET
Join Us on Facebook
Follow Us on X

Instrumart is a member of a family of industrial stores

Instrumart Compressor World Pump World BioPharm World Filtration World Motion World Qualitrol Engineered Solutions Wholesale Air Pipe
© Instrumart 2025

Family of Industrial Stores

Welcome to our family of stores, your go-to source for a wide selection of commercial and industrial products in the flow control and automation sectors. Each store features a curated range of specialized industrial solutions, with many items designed to complement each other, ensuring you can find everything you need for your specific application. Explore the stores below to discover our extensive product offerings for your business needs.

  • Instrumart

    Shop Industrial and Laboratory Instruments.

    Shop Now!
  • Compressor World

    Shop Compressed Air Equipment.

    Shop Now!
  • Pump World

    Shop Industrial, Water, and Waste Water Pumps.

    Shop Now!
  • BioPharm World

    Shop Sanitary Process Solutions and Products.

    Shop Now!
  • Filtration World

    Shop Industrial Filters.

    Shop Now!
  • Motion World

    Shop Motion Control and Process Automation Systems.

    Shop Now!
  • Qualitrol

    Shop Remanufactured or Repair Automation Products.

    Shop Now!
  • Engineered Solutions

    Shop Custom Engineered and Manufactured Systems.

    Shop Now!
  • Wholesale Air Pipe

    Shop Air Piping.

    Shop Now!