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

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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