台湾标准电机SEW仪器仪表--2811 LP Loop Testers

    
 
2811 LP   Loop Testers
2811 LP
FEATURES
 
 Displays mains voltage, scroll through menus.
 Checks wiring integrity (LEDs and dispaly).
 Single button operation.
 Auto-off/auto-ranging.
 Microprocessor controlled.
 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.
 60 Hz available.
 Display can be customized for special orders.
 60 Hz available on request.
  CAT II 250V.
SPECIFICATIONS
 
Loop Impedance Range L-E, L-N 20/200/2000 Ohm (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 20/200/2000 Ohm (Auto-Range)
Neutral Wire Return Resistance 20/200/2000 Ohm (Auto-Range)
Line Wire Return Resistance & Transformer Windings 20/200/2000 Ohm (Auto-Range)
PSC Current (L-N) Max 3kA
Operating Voltage 230V +/- 20%Hz
TYPICAL ACCURACY
Loop Impedance +/- 5%rdg+/-2dgt
PSC Current +/- 20%rdg+/-5dgt
Voltage +/- 1%rdg+/-1dgt
Operating-Temperature-Humidity -10 degree C to +40 degree C 80% max. relative humidity
Dimensions 170(L) x 120(W) x 95(D)mm
Weight Appox. 780g (battery is included)
Power Source 1.5V (AA) x 8 batteries
Accessories Test leads
Shoulder belt
Instruction manual
Batteries