SEW-Taiwan

Sew 1851 IN

FEATURES
● Measures insulation (MΩ), Continuity (Ω) and AC voltage.
● Three insulation test voltages(DC V) : 250V, 500V, 1000V.
● 3½ digital LCD (2000 counts).
● 68 × 34mm (2.677” × 1.338” ) large LCD display.
● Automatic circuit discharge.
● Test insulation at rated voltage into a 1mA load.
● 210mA short circuit testing current for continuity.
● External voltage warning indication.
● Fuse protection.
● BS 16 edition
 
  SPECIFICATIONS
 
Insulation Resistance    
Test voltage (DC V) 250V / 500V 1000V
Measuring ranges 0-200MΩ  0-2000MΩ
Resolution 1 count / 100kΩ 1 count / 1MΩ
Accuracy ±(1.5%rdg+5dgt) ±(3%rdg+3dgt)
(under 1GΩ/2000MΩ)
±(5%rdg+3dgt)
(under 2GΩ/2000MΩ)
Output voltage on
open circuit
Rated test Voltage +10%
Output current 1mA DC
Power consumption 250mA 
Continuity    
Measuring range 0-20Ω    0-2kΩ
Accuracy ±(1.5%rdg+5dgt) ±(1.5%rdg+3dgt)
Resolution 0.01Ω     
Buzzer sound below under 10Ω
Open circuit terminal
voltage
4V DC min.
Short circuit terminal
current
210mA DC min.
Power consumption Approx.160mA
AC Voltage    
Range 0-500V AC 
Resolution 1V
Line frequency range 40-120 Hz
Accuracy ±(1.5%rdg+3dgt)
General    
Display 3½ digit (2000 counts)
Dimensions 170(L) × 165(W) × 92(D)mm           
Weight
(battery included)
Approx. 1040g   
Power source 1.5V (AA ) × 8
Safety standard EN 61010-1 CAT III 500V
EN 61326-1

Location

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