Specifications
Voltage DC Range: 0 - 600.0 V
Accuracy: 1% ± 5 counts 
 
Fluke 336/337 
Range: 0 - 600.0 V
Accuracy: 1% ± 5 counts (20-100 Hz), 6% ± 5 counts (100-400 Hz)
AC Response: True-rms 
 
Fluke 337 
Range: 0 - 999.9 A
Accuracy: 2% ± 3 counts 
 
Fluke 337 
Range: 0 - 999.9 A
Accuracy: 2% ± 5 counts (10-100 Hz), 6% ± 5 counts (100 - 400 Hz)
Crest Factor(50/60 Hz): 3 @ 500A, 2.5 @ 600A, 1.42@1000 A, add 2% for CF>2
AC Response: True-rms 
 
Fluke 334/335/336/337 
Range: 0 - 600.0 Ω, 6001 - 6000 Ω
Accuracy: 1.5% ± 5 counts
 
Frequency Fluke 337 
Range: 5 - 400Hz
Accuracy: 0.5% ± 5 counts
Trigger Level: 10-100 Hz >= 5A, 5-10 Hz, 100-400 Hz >=10A
 
Inrush Current Fluke 334/335/336/337 
Integration Time: 100 ms
 
Continuity  <= 30 Ω 
 
MIN/MAX  Fluke 337 only
 

Environmental Specifications
Operating Temperature   -10 °C to +50 °C, -14 °F to 122 °F
 
Storage Temperature   -40ºC to +60ºC, -22 °F to 140 °F
 
Operating Altitude  2,500 meters max, 6,500 ft max
 
Temperature De-rating  Add 0.1 x specified accuracy for each ºC above 28ºC or below 18ºC (above 82.4°F or below 64.4°F)
 

Safety Specifications
Safety Rating  IEC 1010-2-032, 600V CAT III
 

Mechanical & General Specifications

Fluke 336/337 
 250mm x 80mm x 40mm (9.875" x 3.125" x 1.625")
 
Weight   310 g (11oz)
 
Warranty  Three years
 
Battery Life  Alkaline approximately 150 hours continuous
 Automatic low battery indicator
 
Backlight  Fluke 334/335/336/337
 
Display Hold  Yes