Line Fault Indicators
See Also: Overhead Line
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Product
Flow Indicator
Qualitrol 092
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Designed to indicate “pump on” and “pump off” conditions within a forced cooling system. Select models also indicate flow direction. Up to two SPST or SPDT switches are available for control and/or alarm functions. Large dial face provides easy viewing and is magnetically coupled to the flange assembly allowing leak free replacement if damaged.
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Product
Digital Tap Position Indicator With Voltage Display
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NMC's Digital Tap Position indicator with Voltage Display, type: TX-202, is used to indicate the Tap Position of the Power Transformer with On Load Tap Changer as well as also indicates the voltage.
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Product
DMX Line Tester
DMXTSTR
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The DMX Line Tester instantly displays the presence of +/- data on DMX lines and feed-through connectors. It serves as a perfect pocket sized tool for troubleshooting DMX512 cabling.
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Product
Programmable Delay Line Instruments
The XT Series
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Our most precise programmable delay line instruments featuring Colby's patented trombone technology
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Product
Phase Rotation Indicator DX2
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STB Electrical Test Equipment, Inc
From the company who builds the popular analog ground fault detector comes the newest phase rotation indicator on the market. No other manufacturer offers a phase rotation indicator like STB's DX2 that will read up to 5kV! The phase rotation indicator is used to determine the phase sequence of three-phase voltages. This meter is most commonly used for phasing-in a power line which has supplied power to motors and plants. It is essential for testing departments of public utility systems for laboratory and field testing. The convenient and durable carrying case allows user to safely transport the unit to wherever the job takes them.
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Product
Ferrite Indicator
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The Ferrite Indicator is a simple, rugged, non-destructive inspection instrument developed for laboratory, shop and field use. The GO, NO-GO feature permits instant acceptance testing of austenitic stainless weld metals. The Indicator requires no external standards, no adjustments, no visual readings and is unaffected by position. It performs equally well on sheets, plates, rods, irregular shaped objects and individual parts of complex components. It is effective in locating areas of high or low Ferrite content heterogeneous products.
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Product
VDSR Line Qualifier
ELQ 35
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25 kHz to 35 MHz selective/wideband Level Meter & Generator, with Spectrum Analyser with Z/RL/LCL Bridge
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Product
Temperature Indicators
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Thermometers of displacement of the hand 90˚Mb 72 20 - 1000˚ / J /Mb.
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Product
Line Tester
LT51
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The LT51 Line Tester is a portable handheld battery powered instrument for Data, DSL, Telephone, Voice Copper Line testing. It combines the features of several pieces of test equipment such as a Level Meter / Spectrum Analyser, Distortion Analyser, Oscillator, Handheld DMM and TDR in the one small lightweight package.
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Product
Sequence / Rotation Indicators
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Phase Sequence and Motor Rotation meter detects live phase and sequence orientation of three phase power sources and industrial equipment conductors to ensure proper installation. Motor rotation function identifies rotational direction of industrial equipment such as motors, compressors and generators. Non-Contact Motor Rotation feature determines rotation of running single-phase and three-phase motors without the use of leads.
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Product
Fault Injection and White-Box Testing
VectorCAST/Probe
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VectorCAST/Probe is integrated with the full family of VectorCAST tools allowing probes to be inserted during Unit, Integration, or System Testing. The probe insertions are controlled by the same technology that controls our code coverage instrumentation, which ensures that the probes function correctly regardless of the compiler, target processor, or run-time environment.
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Product
Single-in-Line Reed Relays
Series 115
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SoftCenter construction Highest quality instrumentation grade switches Plastic package with internal mu-metal magnetic screen They take up the minimum of board area, conservingboard space Insulation resistance greater than 1E12 Ohms 100% tested for dynamic contact resistance for guaranteed performance 5 or 12 Volt coils with optional internal diode
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Product
Megawatt Large Display Indicator
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Signals & Systems India Private Limited
Large display indicator measures and displays the Megawatt from inputs like 63.5VAC, 4-20mA and data received from other equipment. It meets high accuracy of 0.1% to measure Megawatt. The large display is for clear visibility of the MegaWatt reading from a long distance. It is equipped with high bright red color 7segment displays. These are commonly used in Power plants, Substations, Manufacturing units and Field environments to provide direct Megawatt measurements.
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Product
Motor&Phase Rotation Indicator
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Precision Mastech Enterprises Co.
A diagnostic tool used to identify the sequence or \(A,B,C\)) of a 3-phase power supply and determine the proper direction of rotation for 3-phase motors.
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Product
Advanced Line Protection System
ALPS
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ALPS is a multi-function digital protective relay system intended toprovide distance protection for HV or EHV transmission lines. It maybe applied on or adjacent to series compensated lines. It is availablefor single or three phase tripping applications. Typical operatingtimes are to 1 cycle.
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Product
Digital Indicator for Strain Gauge Sensors
AD-4530
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Low cost digital indicator for various applications. Suitable for measurement of load, pressure, torque, tension and more at an affordable price.Digital Zero (DZ) stores zero data at any measurement point. This function can also be used to tare weight. Measurement can simply be restarted when it was interrupted by a loss of power.Power on zero function adjusts to zero when the power is turned on.Digital filter provides stable measurement results.Digital span calibration. Easy calibration just by inputting the rated output of a sensor. No need to use a mass.
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Product
Microwave Delay Line
E501
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The Eastern OptX Series E501 / Microwave Delay Line is a high performance turnkey solution for radar and communications market. The E501 allows for ultra wide bandwidth, low loss, high isolation and immunity from EMI and EMP with timedelays up to 250 usec at frequencies up to 18 GHz.
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Product
PXI Differential Fault Insertion Switch Modules
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Pickering's PXI Differential Fault Insertion Switch Modules support multiple channels of two-wire serial interfaces. Each channel can simulate an open fault in either or both wires, a short between both wires or a short to externally applied fault conditions. *Two module types are available: Two wire fault insertion module suitable for CAN Bus and FlexRay.*High bandwidth two wire fault insertion module suitable for Gigabit Ethernet, AFDX and BroadR-Reach.
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Product
Digital Tap Position Indicator With Counter Display
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Our Digital Tap Position indicator with Counter Display is used to indicate the Tap Position of the Power Transformer with On Load Tap Changer as well as also indicates the counts of the tap changer.
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Product
Ground Fault Protection Monitors
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The Earth Fault Resistance Monitor (EFREM) and the Rotor Health Monitor (RHM) provide wireless rotor ground fault and temperature monitoring for generators and motors. The systems replace older slip ring contact ground fault detectors on any synchronous generator or motor.
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Product
Phase Sequence Indicators (Contact Type)
ST-850
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Standard Electric Works Co., Ltd
● Two functions in one unit: open phase and phase sequence detection.● Lamps let you determine at-a-glance if phase is open.● Large size alligator clips for easy clipping onto switch-boards terminals.● Checks a wide range of 3-phase power sources.● Special test leads length are available on request.● Push button switch is designed to minimize damage due to negligence.
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Product
Vertical Speed Indicators
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Is an instrument which indicates the rate of climb or descent of an aircraft.
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Product
LED Indicators
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The "semi-analog" LED indicators display the measured value using 71 LEDs. These indicators are designed to withstand very strong vibrations yet have the familiar look of an analog indicator.
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Product
Water Level Indicator With Alarm Acknowledgement
IM1731
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We offer Water Level Indicator with Alarm Acknowledgement to our clients.
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Product
Line Protection
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Schweitzer Engineering Laboratories, Inc.
SEL transmission line protection relays provide subcycle line differential and multizone distance protection for a secure, reliable, and high-speed solution. Their fault-locating capabilities allow you to efficiently dispatch line crews to quickly isolate line problems and restore service faster.
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Product
Phase Sequence Indicators (Contact Type)
855 PR
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Standard Electric Works Co., Ltd
● Two functions in one unit: open phase and phase sequence detection.● Lamps let you determine at-a-glance if phase is open.● Large size alligator clips for easy clipping onto switch-boards terminals.● Checks a wide range of 3-phase power sources.● Special test leads length are available on request.● Push button switch is designed to minimize damage due to negligence.
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Product
Laser Fault Locator
FOD 111
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The Laser Fault Locator FOD 111 is a Laser Source with an output power of 1 mW in SM or MM fiber. It works from two AAA batteries. The universal adapter allows to use the Laser Fault Locator FOD 111 with all popular connectors without changing the adapter. If you need to test a patchcord, to find fiber breaks, or identify one fiber from ten - this instrument is for you!
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Product
Line Mounted Fault Indicator
LineTroll 110Eμ
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Linetroll 110E contains magnetic and electric field sensors surveying line current and line voltage. The magnetic sensor automatically adapts to line current, detecting preset current increases. The electric field sensor is monitoring the presence of line voltage. The sensor signals are processed and compared with user set alarm criterias.
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Product
Full Range Auto-Ranging Voltage Indicator
ARVI
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This smart new-generation instrument makes hot-line voltage testing easier than ever. Its state-of-the-art electronics eliminate the need for a selector switch.
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Product
Ground Fault Locator
GFL-1000
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The GFL-1000 ground fault locator is used to pinpoint faulty grounding where electrical cables have breakage and lost to the ground. The GFL-1000 is recommended by NERC PRC-005-2 to inspect for unintentional grounds for VLA, VRLA and NiCad batteries every four calendar months. Included software allows for data management analysis.





























