About the 0-51476-31
The 0-51476-31 is a Frequency Meter Calibrator Board produced by Reliance Electric. This card has four signal diodes and two orange and black Zenner style diodes. The 0-51476-31 card uses six light blue carbon film style resistors, two mauve carbon film style resistors, a large circular orange varistor style resistor, a small blue trimmer style variable resistor, and five fusible resistors that are half white and half red with there capability marked on the outside. The 0-51476-31 has two polypropylene capacitors with there limits printed on the outside, along with a small polyester style capacitor and a small PCB mount electrolytic capacitor. The calibrator board uses a single integrated circuit to store all of its programming details. The 0-51476-31 card features a large transformer in one corner. This transformer is reinforced to the circuit board using a zip tie. The transformer has a black wire and a dark blue wire coming out of it. These wires are then connected to the black connection port on the opposite edge of the card and secured using an eye hook connector on the end of each wire and a screw. There are two gray wires also connected to the port using eye hook connectors and screws. To secure the 0-51476-31 card in place using the two holes drilled in the very center of the card. Each part is individually labeled with a letter and a number. The card also features the part number 0-51476-31 printed on it with Reliance Electrics company logo, on the edge near the transformer.
