Guildline's NEW 3210 Series of Thermometry Auto-Switch with Pre-Heat automates temperature measurements including fixed points and thermometer calibrations. Up to eight PRTs or other temperature devices can be connected with individually programmable DC currents from 20 µA to 150 mA.
Guildline Instruments NEW 7223CT-2S Series of Precision AC Current Transformers provides very accurate AC current measurements at high current and for high voltages. The 7223CT-2S is part of the 7223CT Series which are Commercially Available High Precision, Low and High Voltage, AC Current Instruments Capable of Measurement Accuracy <5 part-per-million (ppm) – Accuracies No Other Manufacturer Provides!
Guildline's 6624CT-3000 DC High Current Transformer provides very accurate DC current measurements up to 3000 Amperes. The direct current transformer is designed with an open window to pass a single cable, set of cables, or buss bar that carry the direct current to be measured. The 6624CT-3000 High Current DC Current Transformer produces an output current that varies directly with the input current in three ranges.