Find great deals for Fluke A Digital Multimeter. Shop with confidence on eBay!. This unit is being sold “AS-IS”. Internal Battery Option. Unit works on battery or AC. Note battery probably will need charging. Did not test for battery life. This manual contains complete operating and maintenance instructions for the Fluke Models A and A Digital Multimeters. The information presented in.
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No additional import charges at delivery! Knowing that flhke is a problem. Cl is still not discharged i. Install the transistor, and connect the test fixture to the Multimeter see preceding paragraphs.
If the peak value is not more than three times the true-rms reading of your Multimeter, then the crest factor of the signal is 3.
Before starting the Calibration procedure, perform the Calibration Access procedure given earlier in this section. The test equipment required for both the performance test and calibration procedure is listed in Table Table lists the test points in the fljke. Measurement values given in Table referenced to ground at TP6. Refer to Section 4 for the procedure to change the ac line voltage setting. If any adjustments were made in this procedure, repeat Steps 1 through Range resistor U1 or R3.
During the read period, the controller can count from 0 to Verify that the level at TPl is between mV and 20 mV. If necessary, charge the battery of your Multimeter before removing the cord.
Slide the instrument through the mounting panel and into the case. Place your fingernail under the grey tabs on the display frame and lift them free of the screwposts on the display mounting bracket. On the UUT, select the range and replace the 1.
Slide the spring down the wire towards the Main PCB. This error voltage is charged on C2 where it is stored for the rest of the conversion cycle. The time it takes for the capacitor to discharge is measured. The controller now contains a digital count that is proportional to the level of the unknown input voltage. Pushing one switch will release the others.
Digital Multimeter A Equipment Fluke, John, Mfg. Co
The probe accessories are shown in Figure 5 and are described in the following paragraphs. Add fpuke watch list Remove from watch list. Olathe, Kansas Sprague Electric Co. All other specifications are equivalent to those given for the Multimeters in Section 1 of this manual.
Disconnect the power cord from rear of the instrument. Federal Supply Codes for Amp, Inc.
The Multimeter can be used with line voltage from 90V to V, 50 Hz or 60 Hz To select the proper line voltage configuration, refer to the AC Line Voltage procedure, given later in this subsection. Watch list is full. Any other input will result in an overrange condition.
Three rack mounting, kits are available foi: The battery power flhke is shown above the standard power supply on the schematic. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. These two circuit groups work together as follows: Mathematically, rms is defined as the square dluke of the mean of the squares of the instantaneous voltages.
Fluke A Digital Multimeter. Grasp the spring as shown in Figurepart B and turn counterclockwise until the spring comes completely free of the fuse holder.
Slide the instruments through the mounting panel and into their cases. Crest factors start at 1. Remove the fuse and holder. Touch and Hold allows voltage, resistance, and conductance readings to be held on the DMM display following the measurement.
Digital Multimeter 8012A
The line frequency, as set at the factory, is indicated on a decal attached to the bottom of your Multimeter. With the paper clip, pry the spring retainer free of the fuse holder as shown in Figurepart C.
Fuse is accessible from the front panel. Section 6 contains the theory of operation 801a the Rechargeable Battery Option. This test is recommended for incoming inspection, as a preventive maintenance check, and to verify the specifications.
The signal conditioner circuits also provide protection from transients and overrange conditions. Use the following procedure to verify the proper operation and accuracy of the AC Voltage function: Select the AC V function on the Multimeter.