TSI 9535, 9535-A, 9545, 9545-A Specification
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VELOCICALC
®
Air Velocity Meters
Models 9535, 9535-A, 9545 and 9545-A
The Models 9535 and 9545 air velocity meters are like having
multiple meters—for the price of just one. These meters
simultaneously measure and data log several ventilation
parameters using a single probe with multiple sensors. Both
models measure velocity, temperature and calculate flow. The
Model 9545 also measures relative humidity, and calculates
dew point, and wet bulb temperature. Models 9535 and 9545
have telescopic straight probes; Models 9535-A and 9545-A
have telescopic articulated probes.
Model 9545
Ventilation Test Instruments
Features and Benefits
Simple to operate
Accurate air velocity measurement
Simultaneously measure temperature and velocity
Displays up to three measurements simultaneously
Measures humidity (Model 9545 and 9545-A)
Calculates volumetric flow and actual/standard velocity
Data log 12,700+ samples and 100 test IDs
LogDat2TMdownloading software included
Articulated probe versions available (9535-A and 9545-A)
Applications
HVAC system performance
Commissioning
Plant maintenance
Critical environment certification
Duct traverses
ENERGY AND COMFORT
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Meter Weight with Batteries
0.6 lbs. (0.27 kg)
Meter Probe Dimensions
Probe Length 40 in. (101.6 cm)
Probe Diameter of Tip
0.28 in. (7.0 mm)
Probe Diameter of Base
0.51 in. (13.0 mm)
Articulating Probe Dimensions
Articulating Section Length
7.8 in. (19.7 cm)
Diameter of Articulating Knuckle
0.38 in. (9.5 mm)
Power Requirements
Four AA-size batteries or AC adapter
ENERGY AND COMFORT
Specifications
VELOCICALC Models 9535 and 9545
Velocity
Range 0 to 6,000 ft/min (0 to 30 m/s)
Accuracy
1&2
±3% of reading or ±3 ft/min (±0.015 m/s),
whichever is greater
Resolution 1 ft/min (0.01 m/s)
Duct Size
Dimensions 1 to 250 inches in increments of 0.1 in.
(1 to 635 cm in increments of 0.1 cm)
Volumetric Flow Rate
Range Actual range is a function of velocity and duct
size
Temperature
Range (9535 and 9535-A)
0 to 200 °F (-18 to 93°C)
Range (9545 and 9545-A)
14 to 140°F (-10 to 60°C)
Accuracy
3
±0.5°F (±0.3°C)
Resolution 0.1°F (0.1°C)
Relative Humidity (9545 only)
Range 0 to 95% RH
Accuracy
4
±3% RH
Range 0.1% RH
Instrument Temperature Range
Operating (Electronics)
40 to 113°F (5 to 45°C)
Model 9535 Operating (Probe)
0 to 200°F (-18 to 93°C)
Model 9545 Operating (Probe)
14 to 140°F (-10 to 60°C)
Storage -4 to 140°F (-20 to 60°C)
Data Storage Capabilities
Range 12,700+ samples and 100 test IDs
Logging Interval
1 second to 1 hour
Time Constant
User selectable
External Meter Dimensions
3.3 in. x 7.0 in. x 1.8 in. (8.4 cm x 17.8 cm x 4.4 cm)
Ventilation Test Instruments
TSI Incorporated
- 500 Cardigan Road, Shoreview, MN 55126-3996 USA
USA Tel: +1 800 874 2811 E-mail: info@tsi.com Website: www.tsi.com
UK Tel: +44 149 4 459200 E-mail: tsiuk@tsi.com Website: www.tsiinc.co.uk
France Tel: +33 491 95 21 90 E-mail: tsifrance@tsi.com Website: www.tsiinc.fr
Germany Tel: +49 241 523030 E-mail: tsigmbh@tsi.com Website: www.tsiinc.de
Sweden Tel: +46 8 595 13230 E-mail: tsiab@tsi.com Website: www.tsi.se
India Tel: +91 80 41132470 E-mail: tsi-india@tsi.com
China Tel: +86 10 8260 1595 E-mail: tsibeijing@tsi.com
Contact your local TSI Distributor or visit our website
wwwwww..ttssii..ccoomm
for more detailed specifications.
P/N 2980569 Rev A Copyright © 2007 by TSI Incorporated Printed in U.S.A.
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9535,
9535-A
9545,
9545-A
Velocity
••
Temperature
••
Flow
••
Humidity, wet bulb, dew point
•
Probe
Straight or
-A articulated
Straight or
-A articulated
Variable time constant
••
Manual data logging
••
Auto save data logging
•
Statistics
••
Review data
••
LogDat2 downloading software
••
Certificate of Calibration
••
1
Temperature compensated over an air temperature range of 40 to 150°F (5 to 65°C).
2
The accuracy statement begins at 30 ft/min through 6,000 ft/min (0.15 m/s through 30 m/s).
3
Accuracy with instrument case at 77°F (25°C), add uncertainty of 0.05°F/°F (0.03°C/°C) for change in
instrument temperature.
4
Accuracy with probe at 77°F (25°C). Add uncertainty of 0.1% RH/°F (0.2% RH/°C) for change in probe
temperature. Includes 1% hysteresis.
Specifications are subject to change without notice.
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