一、概述
GDS-5B 型秒表檢定儀是一種多功能，綜合性的時(shí)間檢定自動(dòng)測(cè)試裝置，它能對(duì)機(jī)械秒表、電子秒表進(jìn)行進(jìn)行檢定。本儀器采用高穩(wěn)定度石英晶體振蕩器作為時(shí)間基準(zhǔn)，用AVR 單片機(jī)和TTL 集成電路為主要元件，大屏LCD顯示，旋轉(zhuǎn)編碼開關(guān)操作，滿足JJG237-2010《秒表檢定規(guī)程》的要求，是一種較理想和實(shí)用的秒表檢定儀。
二、技術(shù)指標(biāo)
1. 測(cè)量范圍
1ms------99999.9s
2. 測(cè)量誤差
秒表：± 3ms
3. 晶體振蕩器
準(zhǔn)確度：±5×10-7/日
三、工作條件
環(huán)境溫度：0~40℃
相對(duì)濕度：<80%
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,, 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
|
5MHz
|
Daily Aging
Rate
|
≤5×10-9/day
|
|
Second
Stability
|
≤1×10-10/s
|
Accuracy
|
≤1×10-7
|
|
Warm Up Time
|
12 hours
|
|
|
|
|
|
|
|
|
|
|
|
Connection of the calibrator
