Technel represents Guildline Instruments a well-respected manufacturer of quality metrology instrumentation for over 50 years. Their products are in daily use in national metrology labs, military standards labs and manufacturers' calibration laboratories throughout the world. Products shown below include air and liquid temperature baths, high-accuracy electrical and temperature bridges, teraohmmeters and complete turn-key automated electrical metrology systems. Guildline also produces day to day metrology instrumentation including standard resistors, AC and DC shunts and power analyzers.