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Fluke III Series Calibration Information Manual
Fluke III Series Calibration Information Manual

Fluke III Series Calibration Information Manual

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A l l t e s t I n s t r u me n t s , I n c .
5 0 0 C e n t r a l A v e .
F a r mi n g d a l e , N J 0 7 7 2 7
P : ( 7 3 2 ) 9 1 9 - 3 3 3 9
F : ( 7 3 2 ) 9 1 9 - 3 3 3 2
a l l t e s t . n e t
s s a l e s @ a l l t e s t . n e t
T h e t e s t & me a s u r e me n t
e q u i p me n t y o u n e e d a t
t h e p r i c e y o u w a n t .
A l l t e s t c a r r i e s t h e w o r l d ' s l a r g e s t s e l e c t i o n o f
u s e d / r e f u r b i s h e d b e n c h t o p t e s t & me a s u r e me n t
e q u i p me n t a t 5 0 % t h e p r i c e o f n e w .
O O u r e q u i p me n t i s g u a r a n t e e d w o r k i n g , w a r r a n t i e d , a n d
a v a i l a b l e w i t h c e r t i f i e d c a l i b r a t i o n f r o m o u r i n - h o u s e s t a f f
o f t e c h n i c i a n s a n d e n g i n e e r s .
• 1 0 + f u l l t i me t e c h n i c i a n s w i t h o v e r 1 5 0 y e a r s o f
s p e c i a l i z a t i o n
• 9 0 d a y w a r r a n t y & 5 d a y r i g h t o f r e t u r n o n a l l
e q u i p me n t
• • 1 - 3 y e a r w a r r a n t i e s f o r n e w a n d
p r e mi u m- r e f u r b i s h e d e q u i p me n t
• E v e r y u n i t t e s t e d t o O E M s p e c i f i c a t i o n s
• S a t i s f a c t i o n g u a r a n t e e d
Y o u h a v e p l a n s , w e w i l l h e l p y o u a c h i e v e t h e m.
A n y p r o j e c t . A n y b u d g e t .
t
G e t a q u o t e t o d a y !
C C a l l ( 7 3 2 ) 9 1 9 - 3 3 3 9 o r e ma i l s a l e s @a l l t e s t . n e t .

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Summary of Contents for Fluke III Series

  • Page 1 T h e t e s t & me a s u r e me n t e q u i p me n t y o u n e e d a t t h e p r i c e y o u w a n t . A l l t e s t I n s t r u me n t s , I n c .
  • Page 2: How To Contact Fluke

    Introduction This document contains specifications, general maintenance information, and performance tests for the Fluke 70, 73, 75, 77, 21, and 23 Series III Multimeters (collectively called the Series III Meters). How to Contact Fluke To contact Fluke, call one of the following telephone numbers: 1-888-99FLUKE (1-888-993-5853) in U.S.A.
  • Page 3 7x, 2x Series III Calibration Information Accuracy specifications are given as: ±([% of reading] + [number of least significant digits]) Table 1. Specifications Maximum Voltage Between any Terminal and Earth Ground: Rated Voltage Display Digital: 3,200 counts, updates 2.5/sec Analog: 31 segments, updates 25/sec Response Time of Digital Display: V ac:...
  • Page 4 Multimeters Specifications Table 1. Specifications (cont.) Function Range Accuracy ±(0.3%+1) 3.200 V, 32.00 V, 320.0 V ±(0.4%+1) 600 V ±(0.4%+1) 1000 V (23/77) ±(0.3%+1) 320.0 mV ±(2%+2) 3.200 V, 32.00 V, ±(2%+2) (45 to 500 Hz, 3.2V range. 320.0 V, 600 V ±(2%+2) Other ranges 45 to 1 kHz) 1000 V (23,77)
  • Page 5 7x, 2x Series III Calibration Information Table 1. Specifications (cont.) Function Input Impedance (Nominal) ), m ), ( >10 MΩ, <50 pF Common Mode Rejection Ratio (1 kΩ Normal Mode Rejection Unbalanced) ), m ) >120 dB at dc, 50 Hz, or 60 Hz >60 dB at 50 Hz or 60 Hz >60 dB dc to 60 Hz Open Circuit Test Voltage...
  • Page 6: Pca Access And General Maintenance

    Multimeters PCA Access and General Maintenance PCA Access and General Maintenance Warning To avoid electrical shock, remove the test leads before opening the case, and close the case before operating the meter. To prevent fire, install fuses with the rating shown on the back of the meter. Caution To avoid contaminating the pca with oil from the fingers, handle it by the edges or wear gloves.
  • Page 7 7x, 2x Series III Calibration Information Decal Window CAUTION SUBJECT TO DAMAGE BY Knob Assembly STATIC ELECTRICITY Case, Top (Model 73 only) 11 Amp Fuse (Model 73) Window, LCD Shield, Top LCD, Assembly Screw 4-24 Battery, 9V Main Printed Circuit Assembly Screw 4-14X3/8 (Model 73 only) 630 mA Amp Fuse...
  • Page 8 Multimeters Display Access CAUTION SUBJECT TO DAMAGE BY STATIC ELECTRICITY Decal Window Knob, Switch Top Case Window Mask Shock Absorber Spring, Detent Elastomeric Keypad Cover, Internal Adapter, Shaft Shield, AC Screw PCA Main Resister Network Fuse 630 mA (21,75) 440 mA (23,77) Switch Fuse 11 Amp Screws...
  • Page 9: Performance Tests

    Instrument Type Recommended Model Multi-Product Calibrator Fluke 5500A Performance tests are recommended for incoming inspection, periodic maintenance, and for verifying the specifications. If the instrument fails any part of the test, calibration and/or repair is indicated. In the performance tests, the Series III Meters are referred to as the unit under test (UUT).
  • Page 10: Dc Voltage Test

    Multimeters Performance Tests pm4f.eps Figure 3. Display (70/73 display) pm6f.eps Figure 4. Display (21/23/75/77 display) DC Voltage Test Warning Connect the ground/common/low side of the DC calibrator to COM on the UUT. 1. Set the UUT function switch to VDC, and connect the DC Voltage Calibrator output to the W and COM input terminals of the UUT.
  • Page 11: Ac Voltage Test

    7x, 2x Series III Calibration Information Table 3. DC Voltage Test Model Step DC Input Voltage 70, 73, 75, 21 77,23 +2.7V 2.691 to 2.709V DC 2.691 to 2.709V DC +27V 26.91 to 27.09V DC 26.91 to 27.09V DC +270V 269.1 to 270.9V DC 269.1 to 270.9V DC +600V...
  • Page 12: Diode Test

    1. Set the UUT to the Diode Test function. Note On Fluke 5100 series calibrators, activate the 50 Ω divider override. On Fluke 5500A calibrators, lock voltage to the 33V range. 2. Apply an input from the DC Voltage Calibrator of +.090V dc to the W and COM input terminals of the UUT, and verify that the beeper is on.
  • Page 13: Replaceable Parts

    7x, 2x Series III Calibration Information Table 5. DC mA Test Step Input Current Display Reading +27 mA 26.57 to 27.43 DC +200 mA 196.8 TO 203.2 DC DC Amps Test (21/23/73/75/77 Only) 1. Set the DC Current Calibrator to standby and connect it to the 10A and COM input terminals of the UUT.
  • Page 14 Multimeters Replaceable Parts...

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