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The M-4000 series is a full, five function instrument which measures room conditions and the performance of HVAC equipment - heaters, blowers, furnaces, air conditioners, fume hoods, clean rooms etc.

Contractors, quality assurance staff, operating engineers and building inspectors now have an easy-to-use instrument which will quickly evaluate system design and equipment performance.

The M-4000 can be used for a wide range of applications, from simple temperature, humidity and air velocity readings to complex multi-outlet computations of BTU's, system balancing or total outlet/output calculations.

Best of all, the HVAC Analyzer is extremely easy to use when compared to most air velocity and CFM instruments.

The M-4000 is a hand-held instrument and eliminates the need for cumbersome hoods or carrying multiple measurement instruments.

It comes with a high impact plastic carrying case and a Limited One Year Warranty.


Instrument case: High impact plastic
Display: Large easy to read LCD (4 digit 3/4" h)
Touch Pad: Large push buttons
Operating Voltage: 9 V DC (alkaline battery 9 volts)
Battery Life: Approx. 8 hours continuous use
Temperature Range: 32° F to 149° F (0° C to 65° C)
Temp. Accuracy: +/-2° F
Temp. Response Time: 5 Seconds
Humidity Range: 10% to 95%
Humidity Accuracy: +/-3%
Humidity Response Time: 10 Seconds
Air Velocity Range: 1.0 to 49 ft/sec.
Air Velocity Accuracy: +/-3% or +/- 1 digit
Velocity Response Time: Instantaneous
Weight: 15 Ounces (430 G)
     Digital Instrument: 8" x 3.5" x 2" (20.3 x 8.9 x 5 cm)
     Probe (Sensor): 6.75" x 3" x 2" (17.1 x 7.6 x 5 cm)

Ordering Information

Item No. Description Features Dimensions
35268 M-4000 Batch Analyzer Measures BTU/Air Velocity/Temp./CFM/Humidity 14"x3-1/4"x12-1/2"

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