Tempo 263LX Visual Fault Finder is used to quickly locate bending loss and breaks in optical fibers, and to identify bad connectors. This fiber optic visual fault finder's 635nm red laser makes fiber breaks and bending losses easily visible.

Tempo 510LS Visible Invisible Light Detector and Fault Locator is designed to identify both multimode and single-mode fibers. The Tempo 510LS features simple-to-use one-button operation, audible and visual indicators, +25dBm to -55dBm sensitivity, and detection of visible and invisible light wavelengths from 630nm to 1600nm.

Tempo T160L Visual Fault Finder pinpoints cable breaks and bad connections in both single-mode and multimode fiber. This fiber optic fault finder's quick connect interface adapts to all standard PC and APC polished 2.5 mm ferruled connectors without adapters.

General Tools Instrument DM8200 Digital Manometer provides select psi, inH2O, bar, mmHg, ozin2, kgcm2, kPa, ftH2O, inHg, cmH2O & mbar. This digital manometer has digital display gauge or differential pressure.

General Tools Instrument DM8230 Digital Manometer provides select psi, inH2O, bar, mmHg, ozin2, kgcm2, kPa, ftH2O, inHg, cmH2O & mbar. This digital manometer has digital display gauge or differential pressure.

General Tools DS400RC Digital Refrigerant Scale measures lb., oz. & kg. This digital refrigerant scale has a heavy duty load cell for built-in overload protection. Formerly Mannix Instrument. Discontinued product and replaced by General Tools DS300RC.

General Tools GPK060 Gas Pressure Test Kit measures Natural gas (methane) or LP gas pressure across appliance manifolds. This ac manifold gauge tests gas stoves, furnaces, dryers and other gas appliances and can also be used for other non-corrosive gases. Formerly Mannix Instrument.

Yellow Jacket 69225 Micro Infrared Thermometer quickly measures -27° to 428°F (-33° to 220°C) with distance to spot ratio of about 1:1. This micro infrared thermometer is the most compact infrared thermometer available.

General Tools WA300 Water Purity Tester checks the purity of water (water conductivity). This water quality tester measures the conductivity value (ranging from 0 - 2000 uS). Formerly Mannix Instrument.

General Tools WPT100 Water Purity Tester tests the irons, bacterium and toxic elements in the water quickly. This water quality tester identifies the quality of drinking water within three seconds. Formerly Mannix Instrument. Discontinued product.

Yellow Jacket 69200 Digital Thermometer features single "K" type input. This digital thermometer provides Max/Min and hold temperature readings.

Extech PH100 ExStik Handheld pH Tester is designed as a unique stick-style pH meter. The Extech PH100 features the "RENEW" function to indicate when the pH electrode should be replaced, a "CAL" function to indicate when the unit requires recalibration, automatic temperature compensation, and an analog bargraph to help reveal trends in acidity or alkalinity.