4000 / 20 for sale, brand-new and used.

The testo 310 residential combustion analyzer represents a new class of instruments for Testo and provides exceptional value and expanded capabilities in combustion testing. The 310 sets a new standard in reliable combustion tuning with its rugged housing, simple design and advanced sensor technology. The easy-to-read backlit display shows more measurements which provides a more complete picture of the combustion process.

Measuring, analyzing and solving environmental problems is paramount for the successful HVAC service technician. The EM20 Thermo Anemometer diagnoses and solves air flow problems in HVAC systems

4 in 1 Digital Thermometer Light Humidity Sound Meter w/ Computer Interface NEW !!! This is a brand new CEM DT-2232 certified industrial digital multi-function environment meter. This 4-i

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DT-61 6-in-1 Industrial Thermometer Light Humidity Sound Meter NCV Multimeter NEW DT-61 6-in-1 Industrial Thermometer Light Humidity Sound Meter NCV Multimeter NEW!! Product Description This is a brand new CEM DT-61 meter from Ruby Electronics.&n

Adtech AX/4000 400620 4 Slot Portable Chassis No accessories, software or manual includedNo cards. Chassis only

Adtech AX/4000 OC-3c/STM-1 Multimode Interface 4000305 Analyzer Module 400500 No accessories, software or manual included See actual picture

Adtech AX/4000 ATM 25.6 Interface 4000310 with Analyzer Module 400500 No accessories, software or manual included See actual picture

Adtech AX/4000 Control Module Timestamp Generator Board 400503 No accessories, software or manual included See actual picture

I purchased this new and used it twice. It comes with carry bag,

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Model # AA20031 SPECIFICATIONS: Output Voltage: 20 Volts Output Watts: 70 Watts Output Amp: 3.5 Amps Input Voltage: 100-240V 50/60 Hz (Worldwide Compatible) Power Cable Part # 01045D Inspiron 2500,2600,2650,3700,3800,4000,4100,4150,4200,5000,5000e,7500,8000,8100,8200. And Latitude C Series, CP,CPi,CPiA,CPiD,CPiR,CPm,CPt,CPtC,CPtS,CPtV,CPx,CPxH,CPxJ,CS,CSR, CSXCP,C400,C500,C510,C540,C600,C610,C640,C800,C810,C840,X200,Xpi