Telephone Line Test
See Also: Telephone Line, Telephone Line Testers
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Product
15T Telemetry Running Line Monitor
RLM15T-3.0-T
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The DLM 15T Telemetry Running Line Monitor measures the tension on a ropepassing through its three wheels. Typically used in cable laying and winch operationsto measure and record line tension. The robust and wireless design has become anindustry standard.
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Product
RCD Loop Line
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Digital measuring instrument for RCD testing with Loop and Line resistance measurement also without tripping the RCD.
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Product
LAN and telephone wiring testers
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Measurement and analysis instruments for the deployment of telephony networks, Ethernet, and generally telecommunications networks via copper cable.
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Product
Loop A Line Products
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Cable pair tracing and a lot more, Loop-a-Line products can remotely control a far end device (the oscillator) for up to 20km of cable. Using a Loop-a-Line allows the linesman to remotely change the state of the oscillator to any of five different states. Therefore eliminating the need for multiple journeys along the cable path.
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Product
Video Cross Line Generator
CL5410
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The CL5410 can generate up to 4 lines at once and each line may be on a horizontal or vertical axis. This allows the CL5410 to replace the CL5400C, CL5404C and CL5405C and retain all of the functionality of each unit and more. The CL5410 is built on a new platform and allows a wide variety of options to be selected in the menu system. However, even with the enhanced menus, the CL5410 still has the same legendary ease of use like our previous models. That means enough buttons to change commonly used setting easily without the hassle of a menu..
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Product
Very Compact Linear Line Array Loudspeaker
LINA
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Easily the smallest and lightest in the series, LINA and its companion control element 750‑LFC bring the inherent linearity, low distortion, and exceptional power-to-size ratio of LEO Family technology to a wider range of applications and venues.
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Product
Telephone Attenuators & RFI Filters
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Despite the growth in digital and fiber systems, many telephone companies still require basic line treatment products. Wilcom's hard-to-find line treatment products help the telecommunications industry deliver the performance the customer expects. Products include line powered amplifiers and RFI filters.
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Product
NI Real-Time Test Cell Reference System
780590-35
test
VeriStand Full Development License with NI Standard Service , Include 1 Year SSP
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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
Single-in-Line Reed Relays
Series 113
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SIL relays - Requires a small area of only 0.15 x 0.5 inches (3.8mm x 12.5mm). 10 Watts Form A or 3 Watts Form C switches. Smallest Form C reed relay
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Product
EPON OLT ( Optical Line Termination )
OLT-1840
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Hangzhou Huatai Optic Tech. Co., Ltd.
OLT-1840's Optical Line Terminal (OLT) adopts GiGA Ethernet Passive Optical Network (EPON) technology. It is a compact chassis with L2/L3 GiGA switching and routing function. All the functional components are modularized design and it supports hot-plugging with plugging and playing. 1~8 pieces of GiGA optical port or electrical port are optional in the uplink port, which provides a direct optical interface for the Ethernet/IP network core. 40 pieces of EPON optical port are optional in the down link port. Through a passive optical Network (PON), an optical Network unit link (ONU),it can provide final transmission with bandwidth up to 1Gbps for the user.
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Product
xDSL Line Qualifier
ELQ 2+
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2,2 MHz Test Set for the qualification of ADSL & SHDSL lineswith data rate calculation. TDR & Bridge for cable fault location.
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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
Line Tester
CAT 1 TEST
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Monacor International GmbH & Co.
Line tester for continuity testing of Cat 5, Cat 6 and ISDN network cables*Connection test with LED display for 8 individual wires and shielding*Continuity, miswire, open, short, crossover, and ground detection*Connector compatibility with the following modular plugs: RJ45 (8P8C), RJ12 (6P6C), RJ11(6P4C, 6P2C)*Network standards supported: Token Ring, 10Base-T, 10Base-T2, 285A, TIA568A/568B*Separate receiver for particularly long and complex cables*The main unit and separate receiver can be attached to one another using a guide rail on the side*Power supply via 9 V block battery (not included)*Supplied with protective bag
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Product
Power Line Purpose Tester
LX-221A+
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Shenzhen Lian Xin Technology Co., Ltd.
·Meet UL, VDE, CSA, SAA, T-MARK, KS. IRAM, CCC and other countries’ standards .·Used to test single – ends ,double –ends ,three-ends power supply cords.·Auto and continuous test in COND,Insulation Resistance ,Leakage Current, Line-to-line Hi-pot(inside HV), Leaking copper(outside HV), relative length,·Auto test the fine and detective goods, tested qualified ones can be be ejected by ejector pin and marked , automatic cutting defective products， and alarmed with voice prompt and light,·Provide with RS 232 interfaces, can communicate with PC, easy to upgrade,·Provide personalized customization according to different requirements.
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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
Resistance Bridges - AccuBridge® Line
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Measurements International Ltd.
The Resistance Ratio Bridge from Measurements International is the next generation replacement. Measurements International is pleased to release the next generation room temperature Direct Current Comparator Resistance Ratio Bridge.
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Product
Electronic Line Stretchers
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Simplify VCO measurements with controlled phase shifts from 180 to 1300 MHzOver 360° phase shift of the reflected signalNormalized and stable magnitude of the reflected signalVoltage controlled for automated applications
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Product
Telephone Line, PCM and Other Copper Wire Tester
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Wuhan Sunma Technology Co., Ltd.
SunmaFiber Tel Line, PCM and Other Copper Wire Tester is developed for the fault testing of local telephone circuit using internationally advanced measuring technique in connection with the current situation of domestic telephone network. The instrument is of portable structure, and specially designed for the use of telecom and exchanger room operating staffs, line attendants, mobile phone servicing staffs and etc.
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Product
Narrow Band Digital Signal Delay Lines
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Advanced Science and Novel Technology, Co., Inc.
Narrowband (11GHz-17GHz) tunable clock phase shifterDelay adjustment range of 140psExhibits low jitter and limited temperature variation over industrial temperature range100MHz of bandwidth for the phase adjustment tuning portsIdeal for high speed proof-of-concept prototypingFully differential CML input interfacesFully differential CML output interface with 800mV single-ended swingLinearized data output for minimized undershoot/overshootSingle +3.3V or -3.3V power supplyPower consumption: 0.91WFabricated in SiGe for high performance, yield, and reliabilityStandard MLF/QFN 24-pin package
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Product
Analyzer for Safety Agency Production Line Testing
HypotULTRAIII
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Ethernet Communication CardUSB/RS-232, GPIB & Printer InterfacesData Storage CardInterconnection to Modular Scanning MatrixOptional 10 Volt Analog InterfaceStorage of up to 50 setups with 30 steps per setupPatented SmartGFI® functionPatented prompt and hold functionPatented CAL-ALERT® functionPatented VERI-CHEK® functionReal Current measurementDual Continuity test modesBuilt-in security settingsLine and Load regulation
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Product
PCB Transmission Line Field Solver
Si9000e
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With its fast, accurate, frequency-dependent transmission line modelling, the new Si9000e is designed to model transmission line loss, impedance at given frequencies and extract full transmission line parameters over a wide range of popular PCB transmission lines (over 90 structures).
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Product
AC Power Line EMI Filters
CleanSweep®
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CleanSweep® filters block EMI on power lines (both common and differential modes) and, uniquely, in ground, from reaching sensitive equipment. They also reduce EMI "backflow" from a "noisy" source that otherwise would end up on your AC power network.
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Product
3-Axis Non-Robotic Automated Testing System
AT3
Test Instrument
The Instron AT3 is a space-efficient, highly adaptable 3-axis mechanical testing platform designed for automated execution of tensile, compression, flexural, and lap shear tests. Built to comply with a broad spectrum of ASTM and ISO standards, it’s well-suited for evaluating materials such as plastics, elastomers, thin films, foils, and metals. The system streamlines the entire testing workflow from specimen measurement and handling to strain measurement and specimen disposal—enabling users to load up to 160 samples and let the AT3 take care of the rest. Boost productivity, reduce manual intervention, and achieve consistent, dependable results with every test cycle.
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Product
Semiconductor Testers
Test Instrument
Our integrated team of semiconductor test innovators delivers a complete system tailored to achieve your specific objectives, incorporating:Test strategyHardware designSoftware development and integrationManufacturingInstallationProgram managementOngoing support
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Product
16 Port Phone Line Simulator (FXS) Adv
SIM-16FXS-A
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This unit has 16 analog phone lines (FXS) making it a perfect tool for testing VoIP gateways, IVR, modems, access servers, audio conference equipment or anything that requires phone lines. Telephone line simulator acts like a "telephone company in a box" providing dial tone, ring voltage and all advanced phone line features such Caller ID, Call Waiting, Call Hold, Three Way Calling and many others.
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Product
SparkFun Line Sensor Breakout
QRE1113 (Digital)
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This version of the QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the amount of reflection. This tiny board is perfect for line sensing when only digital I/O is available, and can be used in both 3.3V and 5V systems.
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Product
RS-232 Fiber Optic Auto Powered Line Driver
Model 9271
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The Model 9271 RS-232 Fiber Optic Auto Powered Line Driver features a standard DB9 interface for maximum performance and reliability of data transmission over glass fiber, eliminating the need for serial to nine-pin adapters. In addition, it brings effective data communications to manufacturing environments. I
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Product
Motor Vehicle Inspect Lines Engineer Program
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Foshan Analytical Instrument Co, Ltd.
It is suitable for measurement of motor vehicles equipped ignition engine with max total mass more than 3500kg. Including the dual idle speed method test. Meet the requirement of GB18285-2005"Limits and Measurement Methods for Exhaust Pollutomts from Vehicles Equipped Igintion Eigine under Two-speed Idle conditions and simple Driving Mode Conditions". The system can select the prompt mode of the dirver mode or the prompt mode of lattice screen.
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Product
Guidance Laser with Remote In-Cab Line Adjust
GL3000P
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The GL3000P Guidance Laser uses an ultra high visibility green laser to establish visual line control for the vehicle driver. Used for highway paint striping, asphalt distributors, road wideners, pavement profilers, or virtually any application requiring vehicle line control. GL3000P model is for truck cab mounting.
