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Full featured, handheld T1 test set at an affordable price Instantaneous detection and display of framing, line coding, errors, alarms, level, frequency and more Transmits and receives common Bit Error Rate Test (BERT) patterns and includes all common loop codes, including HDSL

Protect yourself and other technicians by using this simple device to test conductive objects Avoid exposure to high voltage electrical shock Compact, lightweight and easy to use Assists with OSHA compliance Recommended for use in the field when working near potentially dangerous objects including: Transformer cases Circuit breaker housing Power ground wires Street light fixtures Mobile homes Metal frameworks Metal conduit Pedestals Newly-driven ground rods Metallic siding homes Electrical machinery

● No user’s assembled parts.● Dual color-coded scale (%, Vac).● Neon indicator when >1200Vac.● Lightweight, robust & compact.● Carry case included.● Compare between phases.● Measure and test phase to earth.● High quality fiberglass wound rod.● Self powered operation. No battery required.● DC version available.● Measure phase to phase.● Hi immunity to interference fields.● Suitable for indoor and outdoor use.● Current is limited to ±1 milli-ampere.● Grounded or ungrounded systems.● Meets IEC 61481 (excludes PC44K).

Designed to proof:     -Phasing sticks.     -High voltage detectors (contact type only, not to be used with non contact proximity detectors.)     -High voltage and voltage testers.● Battery operated.● Led indicates when power is “ON”.● Small and hand-held.● Quick connection with normal 4mm test leads.

● Excellent shock resistance.● Rugged nylon moulding.● Auto on (when voltage detected).● Excellent drop resistance.● Good vibration resistance.● Loud sound alarm indication.● Built-in proving and self-test circuit.● High bright color-coded LEDS.● Works from standard 9V battery.● Interchangeable contact electrode.● Use in all whether conditions.● Compatible with all link sticks.● Lightweight, robust & compact.● Models available from 11kV to 132kV.● Suitable for indoor and outdoor use.● Self(auto on) or manual arming.● Easy access to batteries.● Customized threshold on demand.● Auto off (if no voltage detected).

● 8 voltage settings: 240Vac, 2kV, 6kV, 11kV, 22kV, 33kV, 132kV, and 275kV.● High bright LED visual indication.● Sound indication.● Easy-to-prove method.● Self-test selection.● Use 3 × 1.5V “C” batteries.● High impact nylon casing.● Non-contact work by proximity.● Compatible with most link sticks.● Lightweight, robust, & compact.● Suitable for indoor and outdoor use.● Detects low voltage on any systems.● Easy access to batteries.● No special parts needed.● Meets EN 61326-1  EN 55011  EN 61000-4-2  EN 61000-4-3● United States Design Patent : US D474, 705 S● Special ranges are available upon request.

● 2 ranges for selection ( 2 function buttons )   LOW : 50V~1.5kV   Press the LOW button, 277 HP is ready for low voltage detection.   HIGH : 1.5kV~132kV   Press the HIGH button, 277 HP is ready for high voltage detection.● Power consumption:   Off : Less than 5uA    Low voltage detection mode: Less than 40mA    High voltage detection mode: Less than 40mA●  Circuit test function    Press the Test button to make sure the whole circuit is working well    before testing actual high voltage circuits.●  Optional accessory:    HS-175 Telescopic hot stick (triangle-type)    HS-120 Hot stick

● 2 ranges for selection : LOW 50V~1.5kV                                             HIGH 1.5kV~132kV ● There is no power consumption in off mode : 0uA● Nice mechanical slide switch for function selection :  HIGH / OFF / LOW    ● The power consumption in low voltage detection mode : Less than 20mA● The power consumption in high voltage detection mode : Less than 20mA● Bright LED and audible alarm sound when voltage is present.● Lightweight, robust and compact.● Efficient and easy to use● Users have to use the Hot Stick when test high  voltages between 1.5kV~132kV.● SEW provides nice optional accessories of  Hot Sticks HS-175 and HS-120 for high voltage detection.● Optional accessories :   HS-175 Telescopic hot stick (triangle-type)   HS-120 Hot stick