Features

• Slim, ergonomic design
• Large, easy to read backlight display (324 and 325 only)
• Hold button
• 400 A ac current measurement (ac and dc current; 325 only)
• 600 V ac and dc voltage measurement
• True-rms ac voltage and current for accurate measurements on non-linear signals
• Resistance measurement to up to 40 k? with continuity detection
• Temperature and capacitance measurement (324 and 325 only)
• Frequency measurement (325 only)
• CAT IV 300 V/CAT III 600 V safety rating

Difference between models:

Fluke 323
Base Model:

• 400 A ac
• 600 V ac and dc
• True-rms
• Resistance
• CAT III 600 V, CAT IV 300 V

• Specifications
  		323	324	325
  AC current	Range	400.0 A	40.00 A/400.0 A	40.00 A/400.0 A
  	Accuracy	2 % ± 5 digits (45 Hz to 65 Hz) 2.5 % ± 5 digits (65 Hz to 400 Hz)	1.5 % ± 5 digits (45 Hz to 400 Hz) Note: Add 2 % for  position sensitivity	2 % ± 5 digits (45 Hz to 65 Hz) 2.5 % ± 5 digits (65 Hz to 400 Hz)
  DC current	Range	-	-	40.00 A/400.0 A
  	Accuracy	-	-	2 % ± 5 digits
  AC voltage	Range	600.0 V	600.0 V	600.0 V
  	Accuracy	1.5 % ± 5 digits	1.5 % ± 5 digits	1.5 % ± 5 digits
  DC voltage	Range	600.0 V	600.0 V	600.0 V
  	Accuracy	1.0 % ± 5 digits	1.0 % ± 5 digits	1.0 % ± 5 digits
  Resistance	Range	400.0 Ω/ 4000 Ω	400.0 Ω/ 4000 Ω	400.0 Ω/ 4000 Ω/ 40.00 kΩ
  	Accuracy	1.0 % ± 5 digits	1.0 % ± 5 digits	1.0 % ± 5 digits
  Continuity		≤ 70 Ω	≤ 30 Ω	≤ 30 Ω
  Capacitance		-	100.0 μF to 1000 μF	100.0 μF to 1000 μF
  Frequency		-	-	5.0 Hz to 500.0 Hz
  AC response		True-rms	True-rms	True-rms
  Backlight		-	Yes	Yes
  Data hold		Yes	Yes	Yes
  Contact temperature		-	-10.0 °C to 400.0 °C (14.0 °F to 752.0 °F)	-10.0 °C to 400.0 °C (14.0 °F to 752.0 °F)
  Min/Max		-	-	Yes
  Size	H x W x D (mm)	207 x 75 x 34	207 x 75 x 34	207 x 75 x 34
  	Max wire diameter	30 mm (600 MCM)	30 mm (600 MCM)	30 mm (600 MCM)
  	Weight	265 g	208 g	283 g
  Category rating		CAT III 600 V CAT IV 300 V	CAT III 600 V CAT IV 300 V	CAT III 600 V CAT IV 300 V