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STANDARD ELECTRIC WORKS CO.,LTD.
MEASURE WITH PRECISION
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Loop Testers
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