一、概述
秒表檢定儀GDS-50，時間檢定儀是一種多功能，綜合性的時間檢定自動測試裝置，它能對機械秒表、電子秒表進行進行檢定。秒表檢定儀GDS-50，時間檢定儀采用高穩(wěn)定度石英晶體振蕩器作為時間基準，用R 單片機和TTL 集成電路為主要元件，大屏LCD顯示，旋轉編碼開關操作，滿足JJG237-2010《秒表檢定規(guī)程》的要求，是一種較理想和實用的秒表檢定儀。
二、技術指標
1. 測量范圍
1ms------99999.9s
2. 測量誤差
秒表：± 3ms
3. 晶體振蕩器
準確度：±5×10-7/日
三、工作條件
環(huán)境溫度：0~40℃ 相對濕度：<80%
FEATUR
Comply with national regulation of calibrating.
Auto time measuring device of multi-function and high synthis
with time base of crystal oscillator of high stability
With advanced FPGA technique and MCU integration control, quick rponse.
LED display with clarity interface, easy operation
suitable for metrological service, factory, academy and scientific rearch institution to calibrate all kinds of timer instruments
Dimension: 255mm×100mm×380mm
Weight: 4.9kg
SPECIFICATIONS
For mechanical swatch and electronic swatch calibrating | |||||||
Input Range T0 | 1s-99999s | Accuracy | ＜±（1×10-7×T0＋3ms） | ||||
For pointer swatch calibrating | |||||||
Input Range T0 | Continuous: 0.1s-99999s | ||||||
Accuracy | ＜±（Mains frequency accuracy×T0＋0.6ms） | ||||||
For millisecond swatch and dial swatch 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 | ||||||
