FEATURES
Comply with national regulation of calibrating.
Auto time measuring device of multi-function and high synthesis
with time base of crystal oscillator of high stability
With advanced FPGA technique and MCU integration control, quick response.
LED display with clarity interface, easy operation
suitable for metrological service, factory, academy and scientific research institution to calibrate all kinds of timer instruments
Dimension: 255mm×100mm×380mm
Weight: 4.9kg
SPECIFICATIONS
For mechanical stopwatch and electronic stopwatch calibrating
Input Range T0 1s-99999s Accuracy <±(1×10-7×T0+3ms)
For pointer stopwatch calibrating
Input Range T0 Continuous: 0.1s-99999s
Trigger: 1s-99999s
Pause: 0.1s-99999s
Accuracy <±(Mains frequency accuracy×T0+0.6ms)
For millisecond stopwatch and digital stopwatch calibrating
Input Range T0 1×102μs ~1×109μs Accuracy <±(1×10-7×T0+3μs)
Crystal Oscillator
Nominal Frequency 10MHz Daily Aging Rate ≤5×10-9/day
Second Stability ≤1×10-10/s Accuracy ≤1×10-7
Warm Up Time 12 hours