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

This Watts Up .net Power Meter is still in the original Packaging, and has never been used. It is internet enabled and can be accessed via a web server. I have a Watts up Pro as well and its fantastic.

EKM Metering TCP/IP to Serial Converter RS232, RS422, RS485 Model Number: EKM iSerial v.2 Perfect for sub-metering and for remote automatic meter reading applications.

This listing is for a TDI RBL488-50-1000-4000 Dynaload, 10, 20 or 50 Volts, 100, 500, 1000 Amps, 4KW What you will get: TDI RBL488-50-1000-4000 Dynaload, 10, 20 or 50 Volts, 100, 500, 1000 Amps, 4KW 2 are available. One of these is missing one nut and one washer on the load inputs. I will try and source these in the next few days.

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.

QTY. 1. ECOM-AC PORTABLE EMISSION ANALYZER.

UNI-T UT136B Auto Range Digital Multimeter AC DC Frequency Resistance Tester

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

Range: 50 to 4000 fpm (0.3 to 20 m/s); 0 to 99,999 cfm Real-time or average CFM, velocity, temperature True velocity measurement - no air density correction required Simple one hand operation Easy to carry and operate Adjustable A(K) factor (open area of grille) Long battery life Built-in ? 3.93 in. vane Does not have a case.

Air Flow Anemometer, Air Flow Meter, Airflow Meter, Thermo-Anemometer, Thermal Anemometer, Wind Gauge, Wind-speed Meter, Wind Flow Meter, Handheld Anemometer, Air Velocity Meter

Air Flow Anemometer, Air Flow Meter, Airflow Meter, Thermo-Anemometer, Thermal Anemometer, Wind Gauge, Wind-speed Meter, Wind Flow Meter, Handheld Anemometer, Air Velocity Meter

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