JOHN FLUKE MFG. CO., INC. 5790 CALIBRATION REPORT Calibration Shifts -- STORED vs. OLD Constants Printed on 1/12/26 at 21:34:10 Serial Number: 9962051 Report String: 5790A Software Versions: Main: 1.7 Inguard: 1.2 ------------------------------------------------------------------------ CALIBRATION DATES AND TEMPERATURES CAL TYPE ACTIVE DATE AND TEMPERATURE STORED DATE OLD DATE Zero : 12/17/25 19:32:25 @ 23.0 degC 12/17/25 1/30/19 Main Periodic : 12/27/19 13:00:50 @ 21.8 degC 12/27/19 1/23/19 Main Service : 4/5/14 13:17:28 @ 23.0 degC 4/5/14 4/5/14 Wideband : 12/27/19 20:58:39 @ 23.0 degC 12/27/19 4/6/18 ------------------------------------------------------------------------ MEASUREMENT SHIFTS NOTE: A positive shift means it takes a larger voltage to produce the same reading with the new constants than it did with the old constants. An *** indicates a point calibrated directly during periodic calibration. The I2 vs I1 shift pertains to measuring the same voltage at INPUT1 and INPUT2. A positive shift means the new INPUT2 measurement is smaller for the same INPUT1 measurement. 2.2 mV RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC +780.4 ppm (No Spec) *** - DC +619.2 ppm (No Spec) 10.0 Hz +704.5 ppm 2290.9 ppm +30.8 % 1.0 kHz +699.3 ppm 1010.9 ppm +69.2 % 20.0 kHz +698.8 ppm 1010.9 ppm +69.1 % *** 300.0 kHz +584.1 ppm 4118.2 ppm +14.2 % 500.0 kHz +552.2 ppm 5127.3 ppm +10.8 % 800.0 kHz +476.4 ppm 5927.3 ppm +8.0 % *** 1.0 MHz +404.1 ppm 5927.3 ppm +6.8 % I2 vs I1 @ 1.0 MHz -0.1 ppm 7 mV RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC +438.4 ppm (No Spec) *** - DC -115.4 ppm (No Spec) 10.0 Hz +165.8 ppm 1035.7 ppm +16.0 % 1.0 kHz +160.9 ppm 395.7 ppm +40.7 % 20.0 kHz +160.8 ppm 395.7 ppm +40.6 % *** 300.0 kHz +133.6 ppm 1771.4 ppm +7.5 % 500.0 kHz +135.6 ppm 2157.1 ppm +6.3 % 800.0 kHz +140.7 ppm 2857.1 ppm +4.9 % *** 1.0 MHz +145.3 ppm 2857.1 ppm +5.1 % I2 vs I1 @ 1.0 MHz +0.0 ppm 22 mV RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC +80.3 ppm (No Spec) *** - DC -9.5 ppm (No Spec) 10.0 Hz +40.2 ppm 349.1 ppm +11.5 % 1.0 kHz +35.4 ppm 169.1 ppm +20.9 % 20.0 kHz +35.3 ppm 169.1 ppm +20.9 % *** 300.0 kHz +13.9 ppm 991.8 ppm +1.4 % 500.0 kHz +24.1 ppm 1132.7 ppm +2.1 % *** 1.0 MHz +72.5 ppm 1672.7 ppm +4.3 % I2 vs I1 @ 1.0 MHz +0.0 ppm 70 mV RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC -31.6 ppm (No Spec) *** - DC +47.8 ppm (No Spec) 10.0 Hz +12.9 ppm 261.4 ppm +4.9 % 1.0 kHz +8.0 ppm 85.4 ppm +9.4 % 20.0 kHz +8.1 ppm 85.4 ppm +9.5 % *** 300.0 kHz +10.1 ppm 567.1 ppm +1.8 % *** 1.0 MHz +17.6 ppm 1185.7 ppm +1.5 % I2 vs I1 @ 1.0 MHz +0.0 ppm 220 mV RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC -20.6 ppm (No Spec) *** - DC +24.4 ppm (No Spec) 10.0 Hz +6.7 ppm 216.8 ppm +3.1 % 1.0 kHz +1.9 ppm 43.8 ppm +4.3 % 20.0 kHz +1.9 ppm 43.8 ppm +4.3 % 300.0 kHz +2.8 ppm 258.2 ppm +1.1 % *** 1.0 MHz +12.0 ppm 967.3 ppm +1.2 % I2 vs I1 @ 1.0 MHz +0.0 ppm 700 mV RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC -2.7 ppm (No Spec) *** - DC +2.0 ppm (No Spec) 10.0 Hz +4.5 ppm 212.1 ppm +2.1 % 1.0 kHz -0.3 ppm 33.1 ppm -0.9 % 20.0 kHz -0.3 ppm 33.1 ppm -0.9 % 300.0 kHz +0.0 ppm 165.7 ppm +0.0 % *** 1.0 MHz +2.9 ppm 908.6 ppm +0.3 % I2 vs I1 @ 1.0 MHz +0.0 ppm 2.2V RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC -0.3 ppm (No Spec) *** - DC +0.5 ppm (No Spec) 10.0 Hz +4.9 ppm 200.0 ppm +2.5 % 1.0 kHz +0.1 ppm 22.0 ppm +0.5 % 20.0 kHz +0.1 ppm 22.0 ppm +0.5 % 300.0 kHz +1.1 ppm 150.0 ppm +0.7 % *** 1.0 MHz +11.4 ppm 840.0 ppm +1.4 % I2 vs I1 @ 1.0 MHz +0.0 ppm 7V RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC +1.3 ppm (No Spec) *** - DC -1.2 ppm (No Spec) 10.0 Hz +4.9 ppm 200.0 ppm +2.5 % 1.0 kHz +0.0 ppm 22.0 ppm +0.0 % 20.0 kHz +0.1 ppm 22.0 ppm +0.5 % *** 100.0 kHz +1.7 ppm 80.0 ppm +2.1 % 300.0 kHz +3.1 ppm 180.0 ppm +1.7 % 500.0 kHz +6.9 ppm 380.0 ppm +1.8 % 800.0 kHz +16.3 ppm 1100.0 ppm +1.5 % *** 1.0 MHz +25.0 ppm 1100.0 ppm +2.3 % I2 vs I1 @ 1.0 MHz +0.0 ppm 22V RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC +0.8 ppm (No Spec) *** - DC -0.2 ppm (No Spec) 10.0 Hz +5.1 ppm 200.0 ppm +2.6 % 1.0 kHz +0.3 ppm 25.0 ppm +1.2 % 20.0 kHz +0.4 ppm 25.0 ppm +1.6 % *** 100.0 kHz +2.6 ppm 80.0 ppm +3.3 % 300.0 kHz +3.6 ppm 180.0 ppm +2.0 % 500.0 kHz +7.3 ppm 380.0 ppm +1.9 % *** 1.0 MHz +24.7 ppm 1100.0 ppm +2.2 % I2 vs I1 @ 1.0 MHz +0.0 ppm 70V RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC -1.0 ppm (No Spec) *** - DC +0.2 ppm (No Spec) 10.0 Hz +4.4 ppm 200.0 ppm +2.2 % 1.0 kHz -0.4 ppm 30.0 ppm -1.3 % 20.0 kHz -0.4 ppm 30.0 ppm -1.3 % *** 500.0 kHz +9.9 ppm 400.0 ppm +2.5 % *** 1.0 MHz +31.2 ppm 1100.0 ppm +2.8 % I2 vs I1 @ 1.0 MHz +0.0 ppm 220V RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC +0.0 ppm (No Spec) *** - DC +0.3 ppm (No Spec) 10.0 Hz +5.0 ppm 200.0 ppm +2.5 % 1.0 kHz +0.1 ppm 29.0 ppm +0.3 % 20.0 kHz +0.2 ppm 29.0 ppm +0.7 % *** 300.0 kHz +4.6 ppm 210.0 ppm +2.2 % I2 vs I1 @ 1.0 MHz +0.0 ppm 700V RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC -1.3 ppm (No Spec) *** - DC +1.1 ppm (No Spec) 10.0 Hz +4.7 ppm 200.0 ppm +2.4 % 1.0 kHz -0.1 ppm 39.0 ppm -0.3 % 20.0 kHz +0.2 ppm 39.0 ppm +0.5 % *** 100.0 kHz +8.5 ppm 400.0 ppm +2.1 % I2 vs I1 @ 100 kHz +0.0 ppm 1 kV RANGE DC Cal: INPUT1 AC Cal: INPUT1 FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** + DC -0.3 ppm (No Spec) *** - DC +0.1 ppm (No Spec) 10.0 Hz +0.9 ppm 200.0 ppm +0.5 % 1.0 kHz -0.1 ppm 37.0 ppm -0.3 % 20.0 kHz +0.3 ppm 37.0 ppm +0.8 % *** 100.0 kHz +10.4 ppm 400.0 ppm +2.6 % I2 vs I1 @ 100 kHz +0.0 ppm WIDE BAND 2.2 mV RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0640 % 0.5545 % -11.5 % *** 100.0 Hz +0.0558 % 0.5545 % +10.1 % *** 1.0 kHz -0.0152 % 0.5545 % -2.7 % *** 10.0 kHz +0.0261 % 0.5545 % +4.7 % *** 50.0 kHz +0.0049 % 0.5545 % +0.9 % *** 200.0 kHz -0.0994 % 0.5545 % -17.9 % *** 500.0 kHz +0.0005 % 0.5545 % +0.1 % *** 1.0 MHz -0.0158 % 0.6700 % -2.4 % *** 2.0 MHz -0.0179 % 0.6700 % -2.7 % *** 4.0 MHz +0.0370 % 0.7700 % +4.8 % *** 8.0 MHz -0.0585 % 0.7700 % -7.6 % *** 10.0 MHz -0.1866 % 0.7700 % -24.2 % *** 15.0 MHz -0.2697 % 0.9000 % -30.0 % *** 20.0 MHz -0.3350 % 0.9000 % -37.2 % *** 26.0 MHz -0.1268 % 1.3455 % -9.4 % *** 30.0 MHz -0.0545 % 1.3455 % -4.1 % WIDE BAND 7 mV RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0613 % 0.4714 % -13.0 % *** 100.0 Hz +0.0577 % 0.4714 % +12.2 % *** 1.0 kHz +0.0138 % 0.4714 % +2.9 % *** 10.0 kHz +0.0106 % 0.4714 % +2.2 % *** 50.0 kHz +0.0013 % 0.4714 % +0.3 % *** 200.0 kHz -0.0339 % 0.4714 % -7.2 % *** 500.0 kHz -0.0092 % 0.4714 % -2.0 % *** 1.0 MHz -0.0523 % 0.5557 % -9.4 % *** 2.0 MHz -0.0738 % 0.5557 % -13.3 % *** 4.0 MHz -0.0655 % 0.5857 % -11.2 % *** 8.0 MHz -0.1472 % 0.5857 % -25.1 % *** 10.0 MHz -0.2121 % 0.5857 % -36.2 % *** 15.0 MHz -0.2660 % 0.6557 % -40.6 % *** 20.0 MHz -0.3547 % 0.6557 % -54.1 % *** 26.0 MHz -0.2406 % 0.8557 % -28.1 % *** 30.0 MHz -0.1260 % 0.8557 % -14.7 % WIDE BAND 22 mV RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0857 % 0.4455 % -19.2 % *** 100.0 Hz +0.0405 % 0.4455 % +9.1 % *** 1.0 kHz +0.0189 % 0.4455 % +4.2 % *** 10.0 kHz +0.0104 % 0.4455 % +2.3 % *** 50.0 kHz +0.0020 % 0.4455 % +0.4 % *** 200.0 kHz -0.0213 % 0.4455 % -4.8 % *** 500.0 kHz -0.0135 % 0.4455 % -3.0 % *** 1.0 MHz -0.0554 % 0.5155 % -10.7 % *** 2.0 MHz -0.1064 % 0.5155 % -20.6 % *** 4.0 MHz -0.1378 % 0.5455 % -25.3 % *** 8.0 MHz -0.1753 % 0.5455 % -32.1 % *** 10.0 MHz -0.2162 % 0.5455 % -39.6 % *** 15.0 MHz -0.3016 % 0.6155 % -49.0 % *** 20.0 MHz -0.4011 % 0.6155 % -65.2 % *** 26.0 MHz -0.3470 % 0.8155 % -42.6 % *** 30.0 MHz -0.2575 % 0.8155 % -31.6 % WIDE BAND 70 mV RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0589 % 0.4286 % -13.7 % *** 100.0 Hz +0.0731 % 0.4286 % +17.1 % *** 1.0 kHz +0.0260 % 0.4286 % +6.1 % *** 10.0 kHz +0.0424 % 0.4286 % +9.9 % *** 50.0 kHz +0.0436 % 0.4286 % +10.2 % *** 200.0 kHz +0.0423 % 0.4286 % +9.9 % *** 500.0 kHz +0.0311 % 0.4286 % +7.3 % *** 1.0 MHz +0.0032 % 0.4786 % +0.7 % *** 2.0 MHz -0.0492 % 0.4786 % -10.3 % *** 4.0 MHz -0.0785 % 0.5286 % -14.9 % *** 8.0 MHz -0.0820 % 0.5286 % -15.5 % *** 10.0 MHz -0.1052 % 0.5286 % -19.9 % *** 15.0 MHz -0.1802 % 0.5786 % -31.1 % *** 20.0 MHz -0.2513 % 0.5786 % -43.4 % *** 26.0 MHz -0.1968 % 0.7786 % -25.3 % *** 30.0 MHz -0.1283 % 0.7786 % -16.5 % WIDE BAND 220 mV RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0267 % 0.3273 % -8.2 % *** 100.0 Hz +0.0374 % 0.3273 % +11.4 % *** 1.0 kHz +0.0374 % 0.3273 % +11.4 % *** 10.0 kHz +0.0196 % 0.3273 % +6.0 % *** 50.0 kHz +0.0178 % 0.3273 % +5.4 % *** 200.0 kHz +0.0156 % 0.3273 % +4.8 % *** 500.0 kHz +0.0116 % 0.3273 % +3.5 % *** 1.0 MHz -0.0183 % 0.3773 % -4.9 % *** 2.0 MHz -0.0527 % 0.3773 % -14.0 % *** 4.0 MHz -0.0911 % 0.4273 % -21.3 % *** 8.0 MHz -0.1685 % 0.4273 % -39.4 % *** 10.0 MHz -0.2214 % 0.4273 % -51.8 % *** 15.0 MHz -0.3564 % 0.4773 % -74.7 % *** 20.0 MHz -0.5419 % 0.4773 % -113.5 % *** 26.0 MHz -0.6555 % 0.6773 % -96.8 % *** 30.0 MHz -0.7223 % 0.6773 % -106.6 % WIDE BAND 700 mV RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0467 % 0.3286 % -14.2 % *** 100.0 Hz +0.0342 % 0.3286 % +10.4 % *** 1.0 kHz +0.0440 % 0.3286 % +13.4 % *** 10.0 kHz +0.0138 % 0.3286 % +4.2 % *** 50.0 kHz +0.0149 % 0.3286 % +4.5 % *** 200.0 kHz +0.0221 % 0.3286 % +6.7 % *** 500.0 kHz +0.0223 % 0.3286 % +6.8 % *** 1.0 MHz -0.0006 % 0.3786 % -0.2 % *** 2.0 MHz -0.0292 % 0.3786 % -7.7 % *** 4.0 MHz -0.0512 % 0.4286 % -11.9 % *** 8.0 MHz -0.0926 % 0.4286 % -21.6 % *** 10.0 MHz -0.1394 % 0.4286 % -32.5 % *** 15.0 MHz -0.2567 % 0.4786 % -53.6 % *** 20.0 MHz -0.4121 % 0.4786 % -86.1 % *** 26.0 MHz -0.5509 % 0.6786 % -81.2 % *** 30.0 MHz -0.6077 % 0.6786 % -89.6 % WIDE BAND 2.2V RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0424 % 0.3136 % -13.5 % *** 100.0 Hz +0.0402 % 0.3136 % +12.8 % *** 1.0 kHz +0.0442 % 0.3136 % +14.1 % *** 10.0 kHz +0.0167 % 0.3136 % +5.3 % *** 50.0 kHz +0.0190 % 0.3136 % +6.1 % *** 200.0 kHz +0.0232 % 0.3136 % +7.4 % *** 500.0 kHz +0.0240 % 0.3136 % +7.7 % *** 1.0 MHz +0.0011 % 0.3636 % +0.3 % *** 2.0 MHz -0.0165 % 0.3636 % -4.5 % *** 4.0 MHz -0.0303 % 0.4136 % -7.3 % *** 8.0 MHz -0.0793 % 0.4136 % -19.2 % *** 10.0 MHz -0.1223 % 0.4136 % -29.6 % *** 15.0 MHz -0.2547 % 0.4636 % -54.9 % *** 20.0 MHz -0.4328 % 0.4636 % -93.3 % *** 26.0 MHz -0.5970 % 0.6636 % -90.0 % *** 30.0 MHz -0.6678 % 0.6636 % -100.6 % WIDE BAND 7V RANGE FREQUENCY STORED vs OLD 90 DAY ABS SPEC % OF SPEC *** 10.0 Hz -0.0302 % 0.3071 % -9.8 % *** 100.0 Hz +0.0422 % 0.3071 % +13.7 % *** 1.0 kHz +0.0719 % 0.3071 % +23.4 % *** 10.0 kHz +0.0197 % 0.3071 % +6.4 % *** 50.0 kHz +0.0204 % 0.3071 % +6.6 % *** 200.0 kHz +0.0179 % 0.3071 % +5.8 % *** 500.0 kHz +0.0160 % 0.3071 % +5.2 % *** 1.0 MHz -0.0046 % 0.3571 % -1.3 % *** 2.0 MHz -0.0254 % 0.3571 % -7.1 % *** 4.0 MHz -0.0338 % 0.4071 % -8.3 % *** 8.0 MHz -0.0988 % 0.4071 % -24.3 % *** 10.0 MHz -0.1473 % 0.4071 % -36.2 % *** 15.0 MHz -0.2648 % 0.4571 % -57.9 % *** 20.0 MHz -0.4305 % 0.4571 % -94.2 % *** 26.0 MHz -0.5633 % 0.6571 % -85.7 % *** 30.0 MHz -0.6111 % 0.6571 % -93.0 % ---------------------------- END OF REPORT -----------------------------