Manufacturer of test, measurement, and control instruments internationally. The company offers data loggers, fiberscopes, force gauges, gas detectors, hygrometers, level indicators, manometers, megohmmeters, metal locators, multimeters, oscilloscopes, pressure gauges, recorders, scales, tachometers, thermometers, and timers. It also offers air velocity, angle, flow, light, panel, power, sound level, vibration, and clamp meters.