Thiết bị hiệu chuẩn điện năng Fluke 789

Range:

 0-1 A AC or DC

Resolution:

 1 mA

Accuracy:

 0.2% + 2 LSD (DC)

Range:

 0-30 mA

Resolution:

 0.001 mA

Accuracy:

 0.05% + 2 LSD

Range:

 0-20 mA or 4-20 mA

Resolution:

 0.05% of span

Drive Capability:

 24 V Compliance or 1200 Ω @ 20 mA

 to 19.999 kHz, 0.005% + 1 LSD

 Beeps for resistance < 100 Ω

Range:

 0-1000 V AC (true-rms) or DC

Resolution:

 0.1 mV to 1.0 V

Accuracy:

 0.1% Rdg + 1 LSD (VDC)

 to 40 MΩ, 0.2% + 1 LSD

 2.0 V shows diode voltage drop

 Yes

 Yes

 -20 ºC to 55 ºC

  -40 ºC to 60 ºC

 95% up to 30 ºC

 75% up to 40 ºC

 45% up to 50 ºC

 35% up to 55 ºC

 0.05 x (specified accuracy) per ºC (for temperatures < 18 ºC or > 28 ºC)

 Designed in accordance with IEC 1010-1, ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No. 1010.1-92

 IEC 1010-1 CAT III 1000 V

 IEC 1010-1 CAT IV 600 V

 1000 V rms

 50 x 100 x 203 mm (1.25" H x 3.41"W x 7.35" L)

 610 g (1.6 lbs)

 4 AA Alkaline batteries

 3 years

 140 hours typical (measurement), 10 hours typical (sourcing 20 mA)

 Random, 2 g, 5-500 Hz

 1 meter drop test