MA-500

THERMAL COUPLER ADAPTER - The MA-500 is designed to bridge a thermocouple probe to the standard input jacks of a digital multimeter or thermometer. It serves as a mechanical and electrical interface, translating the specialized connection of a temperature probe (typically a mini-thermocouple plug) into the dual-banana plug format required by diagnostic equipment - This adapter was prominently bundled and utilized as a standard or optional accessory for several vintage NTE and ECG test instruments, including:DM-500 (3 ¾ Digit LCD Digital Multimeter)DM-21 and DM-59 Digital MultimetersDT-205 Digital Thermometers