TSI Alnor AVM430, AVM440 Specifications
VELOMETER® THERMAL
ANEMOMETERS
MODELS AVM410, AVM430,
AND AVM4 40
Model AVM410
The Model AVM410 is a solid choice for a digital Air Velocity Meter,
without compromising accuracy or precision. Excellent for troubleshooting
HVAC systems and conducting commissioning work.
Models AVM430 and AVM440
The Model AVM430 and AVM440 are like having multiple meters for
the price of one, yet they are simple to operate. Purchase instruments
with a straight or articulated probe–all in one compact package.
Model AVM440
Features and Benets
(Models AVM410, AVM430 and AVM440)
+ Accurate air velocity measurement
+ Large, easy to read display
+ Calibration certicate included
Features and Benets
(Models AVM430 and AVM440)
+ Simultaneously measures temperature, velocity and ow
+ Displays up to three measurements simultaneously
+ Calculates volumetric ow, and actual/standard velocity
+ Articulated probe versions available
+ Data logging and LogDat2™ downloading software included
+ Measures humidity (AVM440), dewpoint and wet bulb temperature
Applications
+ HVAC system performance
+ Commissioning
+ Plant maintenance
+ Critical environment certication
+ Duct traverses
+ Face velocity measurement
SPECIFICATIONS
VELOMETER® THERMAL ANEMOMETERS
MODELS AVM410, AVM430 and AVM440
Velocity
Range (AVM410) 0 to 4,000 ft/min (0 to 20 m/s)
Range (AVM430, AVM440) 0 to 6,000 ft/min (0 to 30 m/s)
Accuracy (AVM410
whichever is greater
Accuracy (AVM430, AVM440)
whichever is greater
Resolution 1 ft/min (0.01 m/s)
Duct Size (AVM430, AVM440)
Dimensions 1 to 250 inches in increments of 0.1 in.
(1 to 635 cm in increments of 0.1 cm)
Volumetric Flow Rate (AVM430, AVM440)
Range Actual range is a function of velocity,
and duct size
Temperature
Range (AVM410, AVM430) 0 to 200°F (-18 to 93°C)
Range (AVM440) 14 to 140°F (-10 to 60°C)
Accuracy
Resolution 0.1°F (0.1°C)
Relative Humidity (AVM440 only)
Range 5 to 95% RH
Accuracy
Resolution 0.1% RH
Wet Bulb Temperature (AVM440 only)
Range 40 to 140°F (5 to 60°C)
Resolution 0.1°F (0.1°C)
Dew Point (AVM440 only)
Range 5 to 120°F (-15 to 49°C)
Resolution 0.1°F (0.1°C)
Instrument Temperature Range
Operating (Electronics) 40 to 113°F (5 to 45°C)
AVM410 Operating (Probe) 0 to 200°F (-18 to 93°C)
AVM 430 Operating (Probe) 0 to 200°F (-18 to 93°C)
AVM440 Operating (Probe) 14 to 140°F (-10 to 60°C)
Stora ge -4 to 140°F (-20 to 60°C)
Data Storage Capabilities (AVM430, AVM440)
Range 12,700+ samples and 100 test IDs
Logging Interval (AVM430, AVM440)
1 second to 1 hour
Time Constant (AVM430, AVM440)
User selectable
3
4
)1&2
±5% of reading or ±5 ft/min (±0.025 m/s),
1&2
±3% of reading or ±3 ft/min (±0.015 m/s),
±0.5°F (±0.3°C)
±3% RH
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)
Meter Weight with Batteries
0.6 lbs. (0.27 kg)
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. (19.8 cm)
Diameter of Articulating Knuckle 0.38 in. (9.7 mm)
Power Requirements
Four AA-size batteries or AC adapter
AVM410
Velocity range 0 to 4,000 ft/min
(0 to 20.00 m/s)
Velocity range 0 to 6,000 ft/min
(0 to 30.00 m/s)
Temperature
Flow
Humidity, wet bulb, dew point
Probe
Variable time constant
Manual data logging
Auto save data logging
Statistics
Review data
LogDat2 downloading software
Certicate 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 4,000 ft/min (0.15 m/s through 20 m/s) for
the Model AVM410, and 30 ft/min through 6,000 ft/min (0.15 m/s through 30 m/s) for Models
AVM430 and AVM440.
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.
LogDat2 is a trademark and Alnor, TSI, the TSI logo and Velometer
are registered trademarks of TSI Incorporated.
Specications subject to change without notice.
+
+ + +
Straight
+ + +
AVM430,
AVM430-A
+ +
+ +
Straight or
-A articulated
+ +
+ +
+ +
+ +
+ +
AVM440,
AVM440-A
+
Straight or
-A articulated
+
Alnor Products, TSI Incorporated
Visit our website at www.alnor.com for more information.
USA Tel: +1 800 874 2811
India Tel: +91 80 67877200
Printed in U.S.A.P/N 2980555 Rev C ©2014 TSI Incorporated
China Tel: +86 10 8219 7688
Singapore Tel: +65 6595 6388
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