Zhengzhou, where to sell MMB [process calibrator]? How is the quality? Address Telephone Telephone :0371-55676313 MMB process calibrator voltage current resistance thermocouple, pulse output of eight different output accuracy: see table below (at least after 10 minutes of warm-up) Function Range Range Resolution Accuracy (23 ± 5 ℃ per year) ± (% of reading + offset) Remarks V 100mV-10.00mV to 110.00 10uV ± (0.01% +10 uV) 1V 0 to 1.2000V 0.1mV ± (0.01% +0.1 mV) Maximum output current of 0.25mA 10V 0 to 12.000V 1mV of ± (0.01% +2 mV) maximum output current of 2.5mA voltage output file output resistance ≤ 0.5Ω, 1V, 10V file capacitive load drive capability of not less than 470uF the 100mV file capacitive load drive capability of not less than 1uF mA Source 20mA output 0 ~ 24.000mA 1uA ± (0.02% +2 uA) load capacity 19V mA Sink-20mA analog transmitter 0 ~-24.000mA 1uA ± (0.02% +2 uA) external power supply 5 to 28V Resistance 400Ω 0 ~ 400.00Ω 0.01 Ω ± (0.015% +0.1 Ω) 0.1 ~ 0.5mA accuracy of the excitation current does not contain lead resistance (the additional incentive 0.1mA 0.25 Ohm error) ± (0.015% +0.05 W) 0.5 to 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 incentives, additional Maximum 0.5Ω error) thermal resistance Pt100 -200 ℃ ~ 850 ℃ 0.1 ℃ -200 ~ 0 ℃: 0.3 ℃ Pt100-385 temperature scale Pt100, Cu50 ± 1mA excitation current; Pt1000 ± 1mA excitation current (Pt100 0.1mA incentive, attach a maximum of 0.6 ° C error; additional incentive PT1000 0.05mA maximum of 0.2 ° C error) Accuracy does not contain lead resistance from 0 to 400 ° C: 0.4 ° C from 400 to 850 ° C: 0.6 ° C Pt1000 -200 ° C to 850 ° C 0.1 ° C -200 to 100 ° C: 0.2 ° C from 100 to 300 ° C: 0.4 ° C from 300 to 850 ° C: 0.6 ℃ Cu50 -50 ℃ ~ 150 ℃ 0.1 ℃ -50 ~ 150 ℃: 0.5 ℃ thermocouple R -40 ° C to 1760 ° C 1 ° C -40 to 100 ° C: 1.5 ° C using ITS-90 temperature scale precision cold junction compensation error is not included in to 10Vp-p square wave, low level 0V, the level of accuracy of ± 10% and 50% duty cycle load> 100k switching output can be divided into continuous output switch the, switch count output indicators with continuous pulse output, pulse counting mode output maximum switch current and voltage: +28 V/50mA 1kHz 10kHz external supply power 24V ± 10% maximum output current of 25mA, short circuit protection Zhengzhou Megumi Instrument Co., Ltd. Contact: Gujingli Tel 0371 -55,676,313 Business QQ : 2417674438 Address: Zhengzhou City, South Street, West Street intersection (30 meters) of the south of the main entrance of Tube City Committee Website: www.hm5117.cn