Xi'an Changhui Automation System Co. Ltd.   

A sales company in Hongkong Changhui Automation System Co. Ltd. Hongkong Changhui Automation System Co. Ltd. was established in the northwest region, responsible for the SWP series intelligent digital control instrument, intelligent digital display electric meter, color paperless recorder, monochrome paperless recorder, intelligent vortex street flowmeter, electromagnetic flowmeter, flow totalizer, RF admittance an instrument, multi-channel patrol inspection and control instrument, pressure transmitter, integrated temperature transmitter, compensation wire, electric actuator, electric control valve, electric control valve, electric single seat control valve, WR series, WZ series thermocouple, thermal resistance, WSS series of double metal thermometer, pressure gauge and other products in the northwest region to promote sales and pre-sales customer service and technical advisory services. To undertake the design, installation, installation, commissioning and other services of the instrument automation control project. Hongkong Changhui instrument limited company supplies Hongkong Changhui SWP recorder, Chang Hui SWP paperless recorder, Chang Hui SWP color paperless recorder, Chang Hui, Chang Hui SWP SWP display instrument control regulation instrument. < > Chang Hui SWP pressure transmitter, SWP meter, Chang Hui Chang Hui SWP digital display and other main products types among them, the key recommendation of products SWP Hongkong Changhui SWP-FJC control system, SWP Hongkong Changhui SWP-DP/DT speed / line speed display control instrument, SWP Hongkong Chang Hui SWP-C/T406 with set count / time display control instrument, Hongkong Chang Hui SWP-T61 (type 3351) metal capacitive sensor, SWP-LCD series intelligent instrument SWP-LCD-NLT natural gas flow totalizer SWP-LED digital display control instrument / column display control instrument SWP-LCD-R paperless recorder SWP color flow totalizer paperless recorder SWP color paperless recorder SWP-MSR100 small color paperless record Recorder SWP-LED dual loop digital display control instrument / column display control instrument SWP-LCD-NP32 PID programmable controller SWP-LED multi-channel patrol inspection and control instrument SWP-LCD-PID self-tuning controller SWP-PID self-tuning control instrument /PID bargraph display control instrument SWP-LCD-PID self-tuning controller (external set or valve position control) SWP-PID self tuning / column display SWP series digital control instrument, light pole, double circuit and liquid crystal display control series digital display instrument SWP-C901/801/701/401/101-00 digital display control (alarm) instrument SWP-C903/803/703/403/-01 digital display control instrument SWP-C103-01 dual digital display control instrument SWP-D903/803/703/403/103-01 four limit control instrument SWP-C904/804/704-01 three limit control instrument SWP-C404-01 dual input digital display SWP-D921/821/721/421-00 dual input digital control instrument (four independent alarm output) SWP-D923/823/723-01 dual input number Word control instrument (two independent alarm output) SWP-D423-01 single loop bargraph display SWP-T801-00 single loop controller SWP-T803-01 single loop light beam control instrument (four independent alarm output) SWP-T804-01 double loop double loop SWP-T821-00 bargraph display light controller SWP-T823-01 with printing digital display instrument SWP-RD801-00PID light valve regulator (relay positive, reverse control, analog output) SWP-T825-02PID light valve regulator (relay, inversion of control, analog output) SWP-T825-022 thin current input Zener safety grid SWP-8085/8086 thin current output Zener safety grid voltage output SWP-8087/8088 thin Zener safety gate SWP-8089/8090 integrated temperature transmitter SWP-T101-TC/TR electrical power galvanic resistance / AC / DC / AC SWP-AC/DC-C901/801/401 voltage / current meter DC voltage / current meter (with alarm) SWP-8067-EX AC power Table SWP-8081/8083-EX (Dan Xiang) AC power meter (Dan Xiangdai alarm) SWP-8085/8086 AC power meter (three) SWP-8087/8088 (three-phase AC power meter with alarm) SWP-8089/8090 AC power factor meter SWP-T101-TC/TR AC power factor meter (with alarm) SWP-202-SX-B /Q-A/B/C/D AC power frequency SWP-20SHA AC power frequency cycle table (with alarm) SWP-20PCA AC power centralized display control instrument (with alarm) SWP-20LCD dry type transformer temperature controller (220DC external Dan Xiang fan /380DC external three-phase fan) SWP-8047/8035 Dan Xiang phase-shifting trigger SWP-8036/8039 phase-shift trigger SWP-8067/8068 frequency, speed, timing, counting, count / speed / velocity / frequency / frequency (with SWP-RP-C901/801/401-00 tachometer tachometer alarm) SWP-RP-C903/803/403-01 counter SWP-TC-C901/801/401-00 counter (alarm) SWP-TC-C903/803/403-01 Set the counter / timer display control instrument SWP-NC/NT-403 frequency of / speed / velocity line display control instrument SWP-DF/DP/DT-403 fluorescent display display instrument SWP-V801-00-23 fluorescence PID regulator SWP-V805-02-23 fluorescent display totalizer control instrument SWP-VL801-02 fluorescent display flow totalizer control instrument (temperature compensation with alarm) monochrome SWP-VL802-02 no paper recorder