標準電機Standard Electric Works Co., Ltd. -- SEW,Standard,TEST,Measuring Instruments,Telescopic Hot Stick,Test Lead,Mini Appliance Checker
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2811 LP

列印
  FEATURES
● Microprocessor-controlled.
● Displays and sound warning if external voltage
   present.
● Displays mains voltage, scroll trough menus.
● Checks wiring integrity (LEDs and display).
● Single button operation.
● Auto-off/auto-ranging.
● Combined prospective short circuit current, PSC
   and LOOP tester.
● Built-in carry case, test leads in separate pouch.
● Loop test for L-E and L-N and PSC.
● Voltage test L-N and L-E.
● Enables analysis of constituent components in L-E
   and L-N loops giving resistance of earth, neutral
   wire, live wire and transformer winding.
● Display can be customized for special orders.
● 60Hz available on request. 
  SPECIFICATIONS
 Loop impedance range
 L-E, L-N
 20/200/2000Ω (auto-range)
 Loop impedance test
 current
 12A at 230V / 50Hz
 Voltage measurement
 L-N, L-E
 80 to 250V AC/50Hz
 Earth wire/path return
 resistance
 20/200/2000Ω (auto-range)
 Neutral wire return
 resistance
 20/200/2000Ω (auto-range)
 Line wire return resistance
 & transformer windings
 20/200/2000Ω (auto-range)
 PSC current (L-N) max  3kA
 Operating voltage  230V±20V / 50Hz 
 Typical Accuracy
 Loop impedance  ±5%rdg ± 2dgt
 PSC current  ±20%rdg ± 5dgt
 Voltage  ±1%rdg ±1dgt
 Operating-temperature
                -humidity
 -10°C to +40°C  80% Max.
 relative humidity
 Dimensions  170(L) x 120(W) x 95(D)mm
 Weight (battery included)  Approx. 780g
 Power source  1.5V (AA) x 8
 Safety standard  EN 61010-1 CAT II 250V
 EN 61326-1
   
   
   
   
   
   
     
 


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