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Handheld instruments


uilding on the previous methane- detecting GF77 camera release, FLIR now offers two lens types for finding a wider variety of gases with just one camera. The new FLIR GF77 Gas Find IR Series


Versatile uncooled gas detection B


provides professionals with the flexibility to use one uncooled gas detection camera for gas detection and thermal inspections across chemical and industrial manufacturing, electric power utilities, natural gas supply chain, food and agricultural, and public safety. The most notable feature updates include visualising a completely new category of gases in sulfur hexafluoride, ammonia, and ethylene. The GF77 Series also offers IR high-temp ranges, increased temperature measurement accuracy and improved inspection flow/reporting with optional add-ons for FLIR Thermal Studio Pro and FLIR Route Creator. The versatile GF77 does more than visualise


gases; this ergonomic, easy to use camera is calibrated for IR temperature measurement, so inspectors can use it as part of predictive maintenance programs, such as verifying tank levels and searching for electrical or mechanical issues without the need to change a lens.


NEW LENS OPTIONS The GF77 Gas Find IR Series offers two types of lenses—low-range (LR) and high-range (HR)—in a standard 25° field of view or as a 6° telephoto lens. The LR lens has a built-in 7– 8.5 μm wavelength filter for visualizing methane, nitrous oxide, sulfur dioxide, R-134a, and R-152a. The HR lens filters the 9.5–12 μm wavelength for visualising sulfur hexafluoride, ammonia, and ethylene. Professionals have the option to purchase the lens combination that meets their needs, the GF77-LR, the GF77-HR or the GF77 with both the LR and HR lenses. Further, each lens is calibrated to a specific camera body at the time


to quickly and safely identify live wiring and detect magnetic fields in a range of applications. All models feature a bright LED torch at the point of measurement, together with both audible and visual indication making them ideal for all types of work area including locations that are poorly lit and have limited line of sight. The extended clear probe tip makes it easier to identify the source of the live voltage or magnetic field through improved access and brighter indication. Both NC2 Non-contact Voltage Detector and NC4 Dual Sensitivity Non-contact Voltage Detector make it simple to detect the presence


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of purchase to visualise the gases of interest and measure temperature accurately. For customers who already own a GF77 and


would like to expand its capabilities, the FLIR service centre can calibrate any new lens purchased for that specific device.


IMPROVED CAMERA OPTIONS The GF77 Gas Find IR Series now includes a broader temperature detection range, from -20 °C to 500 °C, with improved accuracy of +/- 3 °C, down from +/- 5 °C, within the full temperature range. The optional on-board routing capability, Route Creator, allows end- users to simplify surveys by pre-planning the route that includes a list of assets that need to be inspected at each location, reducing the risk


of missing an asset that could lead to an unexpected failure. The reporting add-on, Thermal Studio Pro, offers an easy final comprehensive report option.


FLIR Systems www.flir.com NON-CONTACT VOLTAGE AND MAGNETIC FIELD DETECTION


artindale Electric’s latest NC Series of Non-Contact Testers enable electricians and maintenance teams


of AC voltages in cabling, sockets and connectors. The sensitivity of the NC2 has been optimised for 230V single and three phase systems making it ideal for identifying and tracing live mains cables in trunking and connectors. The NC4 features two sensitivity ranges which can be set according to the application and is suitable for both mains and lower voltage systems down to 12V. The Non-contact Magnetic Field Detection


capabilities of the NC1 Non-contact Solenoid/Magnetic Field Tester and NC3 Non- contact Voltage and Magnetic Field Tester can be used for checking the operation of relays and solenoid valves in a wide range of machinery. This feature saves valuable time by allowing testing without having to dismantle equipment


or control panels. For the dual function NC3 a bright red LED indicates voltage and a yellow LED magnetic fields. Suitable applications for both the NC1 and NC3 include trouble shooting and servicing of control equipment in process industries, energy, transportation and pneumatic and hydraulic systems. www.martindale-electric.co.uk


October 2020 Instrumentation Monthly


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