Testo 605-1 Handheld Humidity Dewpoint Monitor is a rugged psychrometer that features a 1/2 inch probe that can easily fit into a duct for quick measurements.

Testo 506-3 digial manometer, the small and practical differential pressure meter with a switchable measurement range is ideal for tuning heating systems and burners (measures gas flow pressure and flue draft).

Testo 318-36-T TestoView Fiber Optic Inspection Scope has been re-designed for easier examination of areas normally hidden from sight. It is ideal for internal inspection of furnaces, ducts, A/C systems, interior structures, between walls and many other HVAC and industrial applications. Testo 318-36-T TestoView fiberscope fiber optic inspection scope, with probe length of 914 mm, enables the easy and time-saving diagnosis of maintenance and repair problems.

Testo 174 Temperature Data Logger is ideal for accompanying transports. The 174 mini temperature data logger is simply placed beside the product e.g. in aeroplanes, containers, refrigerated rooms etc. and constantly monitors the fluctuations in temperature unobtrusively.

Testo 174 Temperature Data Logger Starter Set is ideal for accompanying transports. The 174 mini temperature data logger is simply placed beside the product e.g. in aeroplanes, containers, refrigerated rooms etc. and constantly monitors the fluctuations in temperature unobtrusively. Testo 174 Starter Set temperature data logger includes: logger, docking station, software, lock and USB data transfer cable.

Testo 318-18-T TestoView Fiber Optic Inspection Scope has been re-designed for easier examination of areas normally hidden from sight. It is ideal for internal inspection of furnaces, ducts, A/C systems, interior structures, between walls and many other HVAC and industrial applications. Testo 318-18 fiberscope fiber optic inspection scope, with probe length of 914 mm, enables the easy and time-saving diagnosis of maintenance and repair problems.

Bacharach Informant 2 19-8043 HVAC Refrigerant Leak Detector Kit  is a unique instrument capable of detecting refrigerant leaks as well as combustible gas leaks with quick and easy sensor swapping (Combustible gas sensor not included in this kit). The Bacharach Informant 2 19-8043 features automatic sensitivity adjustments, hydrophobic filter to prevent moisture contamination, audible ticking and visible LED indicators, rapid response time, and more.

Bacharach 2820 Carbon Dioxide Gas Analyzer features compact and lightweight design, and provides fast and accurate CO2 measurements. This Carbon Dioxide Analyzer uses a maintenance free dual wavelength pressure and temperature compensated sensor. This model has a powerful internal pump for extracting samples and comes with a flexible rubber probe and water trap. Also features built in data-logging for storing gas readings in memory, which can later be downloaded to a personal computer via its integral IrDA communications link and the optional BACH-COM software.

Bacharach 2835 Carbon Dioxide Gas Analyzer includes the measurement of CO2, Barometric Pressure, Temperature and Relative Humidity. This model features data logging, charge-and-run capability, a user-zero function for all gases, and an internal pump for remote sampling. Bacharach 2835 Carbon Dioxide Gas Analyzer is small enough to fit in the palm of your hand, remarkably easy to use, and are ideal for trend analysis and record keeping.

The Bacharach 24-7229 ECA 450 Combustion Analyzer conducts accurate combustion and emissions tests that will help you meet environmental regulations and ensure your equipment is burning efficiently. The Bacharach 24-7229 ECA 450 measures Oxygen, Carbon Monoxide, Nitric Oxide, Nitrogen Dioxide and Sulfur Dioxide, as well as combustibles, temperature and draft. It also calculates combustion efficiency, excess air, carbon dioxide, NOx (Nitrogen Oxides) and pollution units.

Bacharach 24-8400 ECA 450 Combustion Analyzer Kit conducts accurate combustion and emissions tests that will help you meet environmental regulations and ensure your equipment is burning efficiently. Bacharach 24-8400 ECA 450 measures Oxygen, Carbon Monoxide, Nitric Oxide, Nitrogen Dioxide and Sulfur Dioxide, as well as combustibles, temperature and draft. It also calculates combustion efficiency, excess air, carbon dioxide, NOx (Nitrogen Oxides) and pollution units.

Greenlee 802K Digital LAN Cable Tone and Trace Kit is a classical tone and probe kit with improved performace.  The filter probe that comes with Greenlee 802K eliminates electric or AC hum and makes wire identification an easy job, even near the lights or power sources.  The LED light also helps to identify lines or wires in a bundle, when the light is not so bright.  The filter probe comes with a carbon-plastic tip to prevent a chance of creating a short.  The tone and probe kit is designed to withstand work in a hard environment, and comes in a nice soft carrying case, wh