| Message: | 1. Overview
The new GDS-5B quartz watch tester is suitable for precisely testing all kinds of clock circuits with crystal oscillator working at 32.768KHz and 1Hz, for example: quartz clocks、electronic watt-hour meter、motherboard、temperature controller、timer、electronic weigher and electronic cash register with timer function.
GDS-5B has five stalls:
ppm：part per million, accurate to 0.1ppm
s/d：seconds/day, accurate to 0.01 seconds
s/m：seconds/month, accurate to 0.1 seconds
s/y：seconds/year
F:32.768KHz frequency deviation
Compared with the same type of products from other companies, our GDS-5B has the following advantages:
with a more sensitive sensor in it to receive weak signal;
taking non-contact method;
thinner shell making it more easy to use and more suitable for the pipeline;
with advanced CPU and TCXO(Temperature Compensated Crystal Oscillator);
with a 16-level signal strength indicator;
with the function of alarming, and the user can set alarming range;
easy setting procedure;
accuracy is better than 0.2ppm;
extra：RS232 to connect GDS-5B to a computer
2. Features
measuring objects: quartz clock、electric meter and clock circuit board
voltage:85V-135V 170-250V AC 50Hz-60Hz
testing frequency: 32.768KHz 1Hz
measurement period :1s、2s、5s、10s、20s、32s、60s
reference frequency:16.384MHZ TCXO
testing accuracy: better than 0.2ppm
range: ppm：part per million; s/d：seconds/day; s/m：seconds/month; s/y：seconds/year; F:32.768KHz frequency deviation
signal strength indicator:16 level indicator
alarming setting range:±200ppm
volume: 13cm×27cm×29cm
display mode: four-digit LCD display
extra: RS232 to connect GDS-5B to a computer
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