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GAO Tek Handheld Time Analyzer

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The time analyzer is a handheld instrument designed for field testing in time synchronization system of IP-bearer network. It can perform the high-precision measurement, analysis on time synchronous system based on IEEE 1588v2 protocol, and is applicable to measurement, evaluation, analysis of synchronous devices, IP RAN, PTN, OTN, TD-SCDMA, TD-LTE, etc.

  • Portable and light-weight
  • 5 inches (0.127 m) color capacitance touch screen with menu-driven operation, friendly GUI and simple operations.
  • Comply with IEEE, ITU-T relevant standards on time synchronization technology and measurement criterion
  • Hi-precision design, high resolution of PTP time-stamp up to 1ns, high resolution of time measurement up to 0.1ns
  • High-precision design and high measurement accuracy & solutions on all performance indexes
  • Practical and reasonable design in functions, especially to meet the needs of field engineering opening, check and acceptance, as well as daily maintenance
  • Test results, TOD message, PTP message, Screen shots, etc, can be exported to U-disk directly for analysis, storage, and backup conveniently
  • Sets up satellites rapidly after switching on, to ensure good test efficiency
  • Upgrade embedded software for free

Technical Specifications

Built-in GPS Receiver L1 frequency range C/A code 12-channels
1 PPS accuracy 15 ns (1 sigma)
Built-in BD Receiver B1 frequency range 72-channels, 1561MHz
1 PPS accuracy 30 ns

ASCII (Baud rate: 2400, 4800, 9600, 19200, 38400)


Accuracy of GPS-disciplined Chip-Scale Atomic Clock 1.5X10-11 (TAU=100s)
Accuracy of GPS-disciplined OCXO 5X10-11 (TAU=100s)
Resolution of Time Measurement 0.1ns
Input Ports of Time Measurement 1PPS+TOD RS422
NTP (Client): 100/1000 BASE-T, 100BASE-FX,1000BASE-SX/LX/ZX
1588v2PTP (Slave) 100/1000BASE-T,100BASE-FX,1000BASE-SX/LX/ZX,Unicast, Multicast
Output Ports of Time Measurement 1PPS+TOD RS422, RS485
External Time Input Port 1PPS
Communication Port USB, 10/100BASE-T (RJ45)
Rechargeable Battery Li-ion battery, continuous working for 6 hours above
Recharge Time Approx. 2 hours
Charger Input AC100~240V
Output DC8.4V/2A
GAO Test console Software Supported by WINXP/VISTA/WIN7
Display 5 inches (0.127 m) color capacitance touch screen, 800×480
Operating Temperature 14o F ~122o F (-10℃~50℃)
Storage Temperature -22o F ~158o F (-30℃~70℃)
Humidity 5%~95% non-condensing
Dimensions (L×W×H) 9.84 in x 4.33 in x 2.76 in (250mm×110mm×70mm)
Weight (Including batteries) 2.43 lb (1.1kg)
Standard Configurations
Time Analyzer 1set
GPS Antenna (Mushroom


GPS Antenna Bracket 1pcs
GPS Antenna. 1pcs
Parallel Network Cable 1pcs
Coaxial Cable 2pcs
Parallel Network Cable (Direct Connection) 2pcs
CSAC or OCXO (Built-in) 1pcs
AC Charger 1pcs
Li-ion Rechargeable Batteries (Built-in) 1pcs
GAO Test console software setup CD 1pcs
TestManagerPro Setup CD(User Manual) 1pcs
User Guide 1pcs
Portable Carrying Case 1pcs
Quality Certificate Card 1pcs
Maintenance Card 1pcs
Packing List 1pcs

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