Phase Locked Loops
See Also: PLL
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Product
Three Phase Meter Test Board
MTB-3050
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TESCO’s MTB-3050 is a Three Phase Meter Test Board with every laboratory feature you could want along with metrology and software suitable for your production meter testing needs.
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Product
9KHz-2.1GHz, Spectrum Analyzer, Phase Noise<-98dBc/Hz, Amplitude Accuracy<0.7dB, 10.1" Color Display
T3SA3100
Spectrum Analyzer
9KHz-2.1GHz, Spectrum Analyzer, Phase Noise<-98dBc/Hz, Amplitude Accuracy<0.7dB, 10.1" Color Display.
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Product
Phase Noise Generator / Calibrator
PNG-A
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Noise eXtended Technologies S.A.S.
The PNG-A is a high precision generator used in Test and Measurement instruments calibration. It is a Signal Generator with precisely computed phase and amplitude noise characteristics. With its wide frequency offset range, 1Hz to 1 MHz offset, and its programmable Phase and Amplitude noise in real time, this is the ideal standard to calibrate phase noise analyzers, Signal Source Analyzers and Spectrum Analyzers.
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Product
Phase Monitoring / Potential Selector Relay
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This is a phase failure relay suitable for 3 phase supplies. The relay is designed to automatically change over from the primary supply to the secondary supply if any phase of the primary supply has faulted.
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Product
Two Channel Phase and Amplitude Noise Analyzer
DCNTS -190
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The DCNTS is a two channel Phase and Amplitude noise analyzer. Its dual demodulator architecture allows the system to use cross-correlation to cancel its internal noise and limitation; it is like comparing the outputs of 2 systems and only display the similarities while rejecting differences. Its main extension is the Residual Noise measurement front-end which includes all necessary hardware to automatically measure residual noise on 2-ports devices either in RF frequencies or microwave. It could be a frequency multiplier or divider, an amplifier or any other phase coherent input to output device.
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Product
Loop Powered Indicators
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DEVAR loop powered indicators are designed to easily convert any standard 4 to 20mA loop signal to readout directly in engineering units. Optional back-lit display available.
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Product
Field Calibrator of Three Phase Energy Meter
SY3640
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Hong Kong Songyang Industrial Ltd.
SY3640 three phase energy meter field calibrator is a high precious three phase energy reference meter; it uses the advanced technology and latest electronic components available in the world, and use high speed DSP as the main processor to ensure the accuracy and long time stability.
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Product
Non-Contact Type Phase Sequence Indicator
895 PR
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Standard Electric Works Co., Ltd
Protection class: IP40. Non-contact detector clips. No metal contact points to advocate greater safety. Two functions in one unit : open phase and phase sequence detection. Designed for checking a wider range of 3-phase power sources. LED display lights with buzzer indicator. Brightness button feature for better visibility in dimly lit areas or sunlight. Magnetic mounting feature.
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Product
Three Phase Secondary Current Injection Test Set
TEST-330B
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Beijing GFUVE Electronics Co.,Ltd.
Three phase secondary current injection test set is testing relay set, protective device, instruments, output ac dc current and voltage source, embedded Window XP system.
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Product
Phase Noise Analyzer
NXA-50
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This new NXA-50 is a sea-change in Phase Noise Test Systems. Making both residual and absolute noise measurements out to 50 GHz, this self-contained instrument uses either internal or external references with cross correlation for maximum dynamic range.
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Product
Portable Three Phase Electric Meter Test Bench
GF302D
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Beijing GFUVE Electronics Co.,Ltd.
The Portable Three Phase electric Meter test bench is used for grid corporation to cablibrate 3 phase electric meter error. It can test three meters error at one time.
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Product
MicroPhase I LRP - Dual Phase Voltage Detector / Phase Comparator
MP1-02P
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Hachmann Innovative Elektronik
MicroPhase I LRP is an easily operated phase comparator, dual voltage detector and maintenance tester. Its automatic, thorough self-test ensures reliable function. The permanently enabled interface-testers warn against defect interfaces. Thanks to the "LRP-switch" the threshold value can be lowered from 2,5 µA (HR, MR, LR and LRM) to 1,0 µA (LRP).
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Product
Phase Meter Current Shunts
610 and 650
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Clarke-Hess Communications Research
The Model 610 and 650 Current Shunts are specifically designed to operate with the Model 6000A Precision Phase Meter. These shunts are frequency tuned to have negligible phase shift (less than 5m) at 50/60Hz making them ideal for line frequency applications. They can also be idealized for other frequencies as specified by the user. Consult factory for details.
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Product
Short Circuit Loop Impedance Meter
AMZC-306
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Voltage measurement up to 750V and up to 250V with resolution 0,1V ; Measurements using Uni-Schuko adapter or test wires 1,2; 5; 10 and 20m ; Loop impedance measurement with resolution 0,01Ω and much more
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Product
Phase Noise Measurement Application
N9068A
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One-button measurements for analyzing phase noise in frequency domain (log plot) and time domain (spot frequency)Compatible with phase noise measurement personality in Keysight PSA and ESA spectrum analyzers Runs inside the PXA, MXA, EXA signal analyzers and MXE EMI receiver
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Product
Phase Rotation Indicator
9040
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The Fluke 9040 is effective for measuring phase rotation in all areas where three phase supplies are used to feed motors, drives and electrical systems. The Fluke 9040 is a rotary field indicator and can provide clear indication of the 3 phase via an LCD display and the phase rotation direction to determine correct connections.
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Product
Phase Testers
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Measurement on the voltage detection terminal and covered wireSafely used even for high-voltage bare wiresConsisting of the transmission and reception parts as well as the optical fiber wire connection those two parts
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Product
Phase Noise Analyzer
DCNTS
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Noise eXtended Technologies S.A.S.
The DCNTS is a two channel Phase and Amplitude noise analyzer. Its dual demodulator architecture allows the system to use cross-correlation to cancel its internal noise and limitation; it is like comparing the outputs of 2 systems and only display the similarities while rejecting differences.
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Product
Phase Sequence Motor Rotation Meter
PSMR1
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UEi Test & Measurement Instruments
Increase safety and speed for motor diagnosis. The PSMR1 combines two meters with three functions. It includes a 3-phase sequence indicator with a motor rotation tester.
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Product
Loop Powered Trip Amplifier With Dual Relay Output
SEM1636
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The SEM1636 monitors a (4 to 20) mA loop and provides two independent change over trip contacts set to trip at any point within the (4 to 20) mA range.
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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
Turns Ratio Meter 3 Phase
TR-MARK III 250V
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The TR-MARK III 250V is the successor of the famous TR-MARK III. Besides an extended test voltage up to 250V, it offers new features and increased accuracy to make it a perfect system. A color LCD with back lighting and touch screen increases handling and user comfort. Two USB interfaces make it easy to store measurements on external storage devices and transfer easily to a personal computer or download nameplate data of transformer to test.
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Product
- RS-232 to Current Loop Converter
Model 65A
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FEATURES: Active/Passive Loops; 20 or 60 mA. Operation; DC To 19.2 KBPS; Half/Full Duplex; Optically Isolated; DTE/DCE Selectable. The Model 65A is a small, versatile, RS-232 to Current Loop Converters for use with teletypes or computers providing local terminal input via a 20mA. (or 60 ma.) current loop. The Model 65 includes a wall mounted transformer and internal power supply circuitry.
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Product
Phase Sequence Indicators (Contact Type)
ST-860
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Standard Electric Works Co., Ltd
● Three functions in one unit: open phase, phase sequence and motor rotation indication. ● Large size alligator clips for easy clipping onto switch- boards terminals. ● Highly reliable. ● Identifies 3 phase sequence and open phase check.● Ideal for installing conveyor lines, pump systems and interconnected drivers.
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Product
3 Phase Voltage Transducer
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Converts a three phase, 600 VAC, 50/60 Hz power system to three proportional 0 to 5 volt DC outputs.
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Product
Phase Detectors
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High DC output versus phaseLow DC offsetRugged metal coaxial packageTiny surface mount packages, 0.38 x 0.50 x .023 in.
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Product
Digital Step Phase Shifter
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RF Lambda’s digital step phase shifters are designed to actively change the phase of an RF signal using digital TTL control signals. They are available in a variety of frequencies, phase shift ranges, and step sizes. Hermetically sealed options are available upon request.
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Product
4 Antenna Phase Controller
StackMaster
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This controller comes in two versions and is configurable to support all of the Array Solutions products. The version with the 11 output relays is meant to be used with the StackMaster and is described below.
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Product
Loop Meter
MZC-310S
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The MZC-310S is a professional portable meter for testing electrical installations with over-current circuit breakers. The instrument measures short-circuit L-PE, L-N and L-L loop and prospective short-circuit loop current. A measurements can be done either with low testing current (up to 42A) with 2-pole method or high testing current (up to 280A) with 4-pole method that enables measurements with very high accuracy and resolution.
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Product
Single Phase Socket Tester
K-280
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TESCO Knopp’s K-280 Single Phase Socket Tester is designed to detect short circuits, backfeed and wiring errors in a 120/240 volt, 3-wire, single phase self-contained meter socket.





























