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GDS-50秒表檢定儀由深圳市智慧源電子有限公司提供；
GDS-50秒表檢定儀是一用的時(shí)間檢定儀，供各級(jí)*，工廠，院校及科研單位檢定各種秒表、毫秒儀，機(jī)械秒表等，性能符合檢定規(guī)程的要求。
技術(shù)指標(biāo)：
1、 檢定電子秒表和機(jī)械秒表：
在1－99999秒內(nèi)可任意置數(shù)
準(zhǔn)確度±（2＊10－7＊輸出時(shí)段）秒±0.003秒
2、 檢定電子毫秒儀（正負(fù)兩組輸出）
在1－99999秒內(nèi)可任意置數(shù)，zui小輸出100微秒
準(zhǔn)確度±（2＊10－7＊輸出時(shí)段）秒±0.003秒
3、 檢定電秒表（適合新規(guī)程JJG237-95）
在1－99999秒內(nèi)可 任意置數(shù)
指針式準(zhǔn)確度：電同步＜±0.6毫秒
數(shù)字式準(zhǔn)確度：±（2＊10－7＊輸出時(shí)段）秒±0.006秒
Introduction
The calibrator is a precision instrument calibrating mechanical stopwatch, electronic stopwatch, and 405/407/408/415/417 type pointer electric stopwatch. The SF2001 stopwatch calibrator is compliant with the stopwatch calibration procedure JJG 237-2010 issued by the National Metrological Bureau. It could be used at metrological department at all levels, factory, institutions and all research institutes to calibrate electric stopwatch (405,407,408,415/417), mechanical stopwatch and digital quartz electronic stopwatch. The instrument is fully digitally controlled, high reliability,high accuracy, complete functions, convenient operation, and strong anti-interfere
ability.
GDS-50 stopwatch calibrator and its accessories:
1)GDS-50 stopwatch calibrator 1 piece
2) Three-core power cord 1 piece
3) Dual banana plug test lead 2 pieces
4) BNC-banana test lead 1 piece
5) Soft copy of User’s Guide 1 piece
Main Parameter
1.1 Crystal Oscillator
Nominal frequency: 5MHz
Daily aging rate: ≤5×10 -9 /day
Second stability: ≤5×10 -10 /s
Accuracy: ≤1×10 -7
Warming-up time: over 2 hours
1.2 Calibrate mechanical stopwatch and electronic stopwatch (T0 is inputted calibration period of time)
Input range: T 0 :1s-99999s
Accuracy: better than ±(1×10 -7 ×T 0 +3ms)
1.3 Calibrate electric stopwatch
Pointer:
Input range:
Continuous: T 0 :0.1s-99999s
Trigger state: T 0 :1s-99999s
Pause state: T 0 :0.1s-99999s
Accuracy: better than ±(commercial power frequency accuracy×T 0 +0.6ms)
1.4 Calibrate millisecond counter and digital electric stopwatch
Input range: T 0 :1×10 2 µs-1×10 9 µs
Accuracy: better than ±(1×10 -7 ×T 0 +3µs)
The SF2001 calibrator is fully compliant with the mechanical stopwatch and digital quartz stopwatch calibration procedure, electric stopwatch calibration procedure, and electronic millisecond counter calibration procedure, issued by the National Metrological Bureau.
2.1 Working conditions
Voltage: 220(1±10%)V;
Frequency: 50(1±5%)Hz;
Power consumption: <60VA;
Temperature : 0~40℃;
Humidity: <80%
2.2 Mechanical characteristics
Dimension: 329mm×283mm×155mm Weight: 3.7kg
2.3 Operation characteristics: Input with keys, menu display
2.4 Display mode: LCD display,English menu
2.5 Technique: With SMT technique and large-scale IC, the calibrator is of high reliability, small volume and long service life.
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