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| General Specifications |  
| Digital Display |  |  
| Low Battery Indication | 
|  | Displays a signal when the batteries are below their required voltage |  |  
| Power Source | 
|  | Three AAA IEC LR03 batteries |  |  
| Clamp Opening Size |  |  
| Jaw Diameter |  |  
| Dimensions (L x W x H) | 
|  | 6.39 in x 2.29 in x 1.20 in |  
|  | (162.4 mm x 58.25 mm x 30.5 mm) |  |  
| Weight | 
|  | approximately 13.5 oz (384 g) (batteries included) |  |  
| Auto Range |  |  
| Safety | 
|  | CE |  
|  | EN/IEC 61010-1 and IEC 61010-2-032 |  
|  | Measurement Category: 600V CAT III |  |    
| 317 Electrical Specifications |  
| Current AC | 
| Range | 40.00 A, 600.0 A |  
| Resolution | 0.01 A, 0.1 A |  
| Accuracy | 1.6% ± 6 digit (50-60 Hz) {40 A} |  
|  | 2.5% ± 8 digit (60-500 Hz) {40 A} |  
|  | 1.5% ± 5 digit (50-60 Hz) {600 A} |  
|  | 2.5% ± 5 digit (60-500 Hz) {600 A} |  
| Crest Factor add 2% into spec for CF > 2 | 3.0 Max @ 500 A, 2.5 Max @ 600 A |  
| AC response | rms |  |  
| Current DC | 
| Range | 40.00 A, 600.0 A |  
| Resolution | 0.01 A, 0.1 A |  
| Accuracy | 1.6% ± 6 digit (40 A) |  
|  | 1.5% ± 5 digit (600 A) |  |  
| Voltage AC | 
| Range | 600.0 V |  
| Resolution | 0.1 V |  
| Accuracy | 1.5% ± 5 digit (20-500Hz) |  
| AC response | rms |  |  
| Voltage DC | 
| Range | 600.0 V |  
| Resolution | 0.1 V |  
| Accuracy | 1% ± 4 digit |  |  
| Resistance | 
| Range | 400.0 Ω, 4000 Ω |  
| Resolution | 0.1 Ω, 1 Ω |  
| Accuracy | 1% ± 5 digit |  |  
| Continuity |  |  
| Inrush |  |  
| Frequency | 
| Range | N/A |  
| Accuracy | N/A |  
| Trigger Level | N/A |  |    
| 319 Electrical Specifications |  
| Current AC | 
| Range | 40.00 A, 600.0 A, 1000 A |  
| Resolution | 0.01 A, 0.1 A, 1 A |  
| Accuracy | 1.6% ± 6 digit (50-60 Hz) {40 A} |  
|  | 2.5% ± 8 digit (60-500 Hz) {40 A} |  
|  | 1.5% ± 5 digit (50-60 Hz) {600/1000 A} |  
|  | 2.5% ± 5 digit (60-500 Hz) {600/1000 A} |  
| Crest Factor add 2% into spec for CF > 2 | 3.0 Max @ 500 A, 2.5 Max @ 600 A, 1.4 Max @ 1000 A |  
| AC response | rms |  |  
| Current DC | 
| Range | 40.00 A, 600.0 A, 1000 A |  
| Resolution | 0.01 A, 0.1 A, 1 A |  
| Accuracy | 1.6% ± 6 digit (40 A) |  
|  | 1.5% ± 5 digit (600/1000 A) |  |  
| Voltage AC | 
| Range | 600.0 V |  
| Resolution | 0.1 V |  
| Accuracy | 1.5% ± 5 digit (20-500Hz) |  
| AC response | rms |  |  
| Voltage DC | 
| Range | 600.0 V |  
| Resolution | 0.1 V |  
| Accuracy | 1% ± 4 digit |  |  
| Resistance | 
| Range | 400.0 Ω |  
|  | 4000 Ω |  
| Resolution | 0.1 Ω |  
|  | 1 Ω |  
| Accuracy | 1% ± 5 digit |  |  
| Continuity |  |  
| Inrush |  |  
| Frequency | 
| Range | 5.0 - 500.0 Hz |  
| Accuracy | 0.5% ± 5 digit |  
| Trigger Level | 10 - 100 Hz ≥ 5 A, 5 - 10 Hz, 100 - 500 Hz ≥ 10 A |  |  The accuracy specifications aply at 73 °F ± 41 °F (23 °C ± 5 °C)
 Below 64 °F and above 82 °F (18 °C and above 28 °C) accuracy degrades at (0.1) times specification per °C.
 
 True rms for ac V and ac A accuracy is specified from 5% to 100% of range.
   
| Environmental Specifications |  
| Operating Temperature | 
|  | 14°F to 122°F (-10 °C to 50 °C) |  |  
| Storage Temperature | 
|  | -40 °F to 140 °F (-40 °C to 60 °C) |  |  
| Operating Humidity | 
|  | Non condensing (< 50 °F) (< 10 °C) |  
|  | 90 % RH (50 °F to 86 °F) (10 °C to 30 °C) |  
|  | 75 % RH (86 °F to 104 °F) (30 °C to 40 °C) |  
|  | 45 % RH (104 °F to 122 °F) (40 °C to 50 °C) |  
|  | (Without Condensation) |  |  
| Operating Altitude | 
|  | 1 mile (2000 meters) above mean sea level |  |  
| Storage Altitude | 
|  | 7 miles (12,000 meters) above mean sea level |  |  
| IP Rating |  |  
| Vibration Requirements | 
|  | Random MIL-PRF-28800F Class 2, 5-500 Hz, 30 minutes per axis |  |  
| Drop Test Requirements | 
|  | 3 ft (1 m) drop test, six sides, oak floor |  |  
| EMI, RFI, EMC | 
|  | Instrument unspecified for use in EMC field ≥ 0.1 V/m |  |  
| Temperature Coefficients | 
|  | 0.1x (specified accuracy)/ °C |  
|  | (<64 °F or > 82° F) |  
|  | (<18 °C or > 28 °C) |  |  |  |  |  |