964 Thermoanemometer Straight Probe by TSI

HVAC Accessory Manufacturer: TSI Alnor
964 Thermoanemometer Straight Probe by TSI
964 Thermoanemometer Straight Probe by TSI
964 Thermoanemometer Straight Probe by TSI

The TSI 964 Thermoanemometer Straight Probe is a plug-in probe for the VelociCalc 9565-P meter, designed to measure air velocity, temperature, and humidity in one tool. It’s ideal for duct traverses, fume hood face velocity checks, filter testing, cleanroom verification, and HVAC commissioning.

With a velocity range of 0 to 9,999 ft/min (0–50 m/s), temperature from 14 to 140°F (-10 to 60°C), and humidity from 5 to 95% RH, the 964 delivers accurate, repeatable results. Its straight, telescoping design allows easy placement across ducts and diffusers.

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About This Product

The TSI 964 Thermoanemometer Straight Probe is a plug-in probe for the VelociCalc 9565-P meter, designed to measure air velocity, temperature, and humidity in one tool. It’s ideal for duct traverses, fume hood face velocity checks, filter testing, cleanroom verification, and HVAC commissioning.

With a velocity range of 0 to 9,999 ft/min (0–50 m/s), temperature from 14 to 140°F (-10 to 60°C), and humidity from 5 to 95% RH, the 964 delivers accurate, repeatable results. Its straight, telescoping design allows easy placement across ducts and diffusers.

Exposure Hazards This Equipment Detects

Air Velocity (CFM / ft/min)

CAS: N/A
Learn More
Updated on March 09, 2026
PEL TWA
no limits assigned
REL TWA
no limits assigned
TLV TWA
no limits assigned

Humidity (% RH)

CAS: N/A
Learn More
Updated on March 09, 2026
PEL TWA
N/A
REL TWA
N/A
TLV TWA
N/A

Temperature (°C / °F)

CAS: N/A
Learn More
Updated on March 09, 2026
PEL TWA
N/A
REL TWA
N/A
TLV TWA
N/A

Equipment Specifications

Key Specs

  • Velocity Range: 0 to 9,999 ft/min (0 to 50 m/s), ±3% of reading or ±3 ft/min accuracy
  • Temperature Range: 14 to 140°F (-10 to 60°C), ±0.5°F accuracy
  • Humidity Range: 5 to 95% RH, ±3% RH accuracy
  • Resolution: 1 ft/min, 0.1°F, 0.1% RH

Battery Life & Data Storage (with VelociCalc 9565 meter)

  • ~12 hours continuous use on 4 AA batteries
  • Stores 26,500+ samples and 100 test IDs (each with multiple measurement types)

Manufacturer Resources

Documents

Manufacturer documentation is available upon request. Please contact our team for manuals, safety guides, and technical specifications.

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