Zhengzhou Megumi instrumentation companies long-term supply circuit the process of testing instrument, multi-function calibrator, resistor current and voltage signal generator, the thermocouple calibrator, the victory of the whole series of loop calibrator. Cost-function is a company agent MMB multimeter partner, is a multi-functional reflux calibrator, five half display, eight output signals for only 1000-2000 yuan. The technical indicators used in the following output accuracy: see table below (should be at least 10 minutes warm-up) 
 Functional range set range resolution accuracy (23 ± 5 ° C per year) 
 ± (% reading + offset) Remarks 
 V 100mV-10.00mV ~ 110.00mV 10uV ± (0.01% +10 uV) 
 1V 0 ~ 1.2000V 0.1mV ± (0.01% +0.1 mV) the maximum output current of 0.25mA 
 10V 0 ~ 12.000V 1mV ± (0.01% +2 mV) maximum output current of 2.5mA 
 Voltage output to the file output resistance ≤ 0.5Ω, 1V, 10V files capacitive load drive capability of not less than 470uF, the 100mV file capacitive load drive capability of not less than 1uF 
 mA 
 The Source 20mA output 
 0 ~ 24.000 1uA ± (0.02% +2 uA) load capacity 19V 
 mA, the Sink-20mA analog transmitters 
 0 ~-24.000 1uA ± (0.02% +2 uA) external power supply 5 ~ 28V 
 Electricity 
 Resistance 400Ω 400.00Ω 0.01Ω ± (0.015% +0.1 Ω) 0.1 ~ 0.5mA excitation current 
 Accuracy does not contain lead resistance 
 (0.1mA inspire additional the 0.25Ω error) 
 ± (0.015% +0.05 Ω) 0.5 ~ 3mA excitation current 
 Accuracy does not contain lead resistance 
 4kΩ 0 ~ 4000.0Ω 0.1Ω ± (0.015% +0.3 Ω) 0.05 ~ 0.3mA excitation current 
 Accuracy does not contain lead resistance 
 (0.05mA inspire additional the 0.5Ω error) 
 Heat 
 Electricity 
 Pt100 resistance -200 ℃ ~ 850 ℃ 0.1 ℃ -200 0 ℃: 0.3 ℃ Pt100-385 temperature scale 
 Pt100, Cu50 ± 1mA excitation current; Pt1000 ± 1mA excitation current 
 Loop process inspection instrument, multi-function calibrator, resistor current and voltage signal generator, the current voltage source, thermocouple calibrator, the victory of the whole series loop calibrator. 1000-2000 $ price range, cost, function are the agent of the company MMB multimeter partner, is a multi-functional reflux calibrator, five half display, eight output signals 
 Zhengzhou Megumi Instrument Co., Ltd. 
 Address: Guancheng District 200 meters south of 
 Phone: 0371-66227105,53769167 
 0371 -66,227,105 
 Contact: Naidu 13,017,693,918 
 QQ: 792 634 100 
 Web site: http://www.5117hm.com