awa_bridge.doc

INSTRUCTION BOOK NO. 56048R

UNIVERSAL BRIDGE A56048

Amalgamated Wireless (Australasia) Limited,

47 York Street,

SYDNEY.

56048R                                                                                                  (i)

INDEX

SECTION                                                                                                  PAGE NO.

1              DESCRIPTION:

                            1.1              Application                                                                      1.

                            1.2              Mechanical Description                                          1.

                            1.3              Performance Summary                                          1.

                                          1.3.1              Resistance Ranges

                                                        (0.1 to 10 ohms)                                          1.

                                          1.3.2              Capacitance Ranges

                                                        (10µµF. to 10µF.)                                          2.

                                          1.3.3              Inductance Range                                          2.

                                          1.3.4              Comparative Measurements              2.

                            1.4               Accuracy                                                                      2.

                                          1.4.1              All R and C Ranges                                          2.

                                          1.4.2              1.0 µF. and 1.0 ohms Ranges              2.

                                          1.4.3              EXT. Position                                          3.

                                          1.4.4              “%” Position                                                        3.

                            1.5              Technical Description                                          3.

                            1.6              Valve Complement                                                        5.

2. INSTALLATION:

                            2.1              Mains Voltage Adjustment                                          6.             

56048R                                                                                                (ii)

SECTION                                                                                                  PAGE NO.

                            2.2              Precautions                                                                      6.

3 METHOD OF USE:

                            3.1              Bridge Signal Source                                          7.

                            3.2              Calibration Check                                                        7.

                            3.3              Use of SENSITIVITY Control                            8.

                            3.4              Resistance Measurement                                          8.

                            3.5              Capacitance Measurement                                          9.

                            3.6              Measurement with External

                                          Standards in the EXT or

                                          “Open Bridge” Position                                          10.

                            3.7              Use of the “%: Scale                                          11.

                            3.8              Conductivity of Liquids                                          11.

4.              MAINTENANCE:

                            4.1              Valve Replacement                                                        12.

                            4.2              Voltages                                                                      12.

                            4.3              Adjustment of Trimmer Capacitors              ...