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Selected Products of Fujian Wide Plus Precision Instruments Co., Ltd.
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Double-loop digital / light column display controller adopts advanced microprocessors for smart control, and it is suitable for display and control for many variables such as temperature, humidity, pressure,liguid level, instantaneous flow, speed, and so on, as well as can carry out the linear calibration with high accuracy for various non-linear input signals.It can separate display and control simultaneously for two-loop signals which can be different signal. input ports all have universal signal input, it can realize light switching between various input signal (thermocouple, thermo-resistance, standard voltage / current signals) by making simple selection on instrument menu. Such feature greatly improves its universality and reliability.It adopts high brightness LED display and high resolution light column display (proportionality display) to makes the measurement or control value more clear and visual. The display mode includes: double screen Digital display, Double screen Digital + Double light column display; control mode: double channel independent each other relay control / alarm output or analog transmitting output.Output loops all adopt the photoelectric isolation, its anti-interference ability is strong. And it can also carry serial communication interfaces.
8K series intelligent digital/light column display controller, This series products adopt surface package modularization craft, output loops all adopt photoelectric isolation, independently supply, have improved anti-reference ability.Adopt up-to-day non-jumper technique makes the input port to gain universal signal input function, users can realize light switching between multi input signal (various thermocouple, thermo-resistance, remote pressure, mV, standard voltage / current signal) only need by change internal parameters, so has improved the universality and reliability of instrument
Main technical parametersInput signal Switched quantity·Uarious independent each other contact signals (On/off)TTL levelStandard TTL level of 0∼5 V, high level alarm Output signal switched quantity output: ·relay control output-On/off (with backlash) ·Contact capacity: AC 220V/3A; DC24 V/5A (resistive load)communication output: ·standard serial both-way communication interface ·communication mode: RS-232C, RS-485 ·baud rate 300∼9600 bps (free set up) ·(only model X803 has communication function)Characteristicsmeasuring channel ·8-channels (in digital alarm, instrument users can shut any channel which are not using)display mode ·LED of 0.8 inch high brightness displays the operation state for all channels. ·Displays all channels operation state by planar luminotron tube ·Displays LED operation stateAlarm mode ·sound alarm: 220 V/8W electric bell (self-provided by users), buzzer (built-in instrument) · Flash alarm: flash alarm for current alarm channel.Alarm output ·Relay contact capacity: AC220V/3A; DC24V/5A (resistive load)Silencing test users self-provide the panel silencing button and external connection silencing test button Parameter set ·Digital set on gently-touched panel keystroke; ·permanent storage of parameter set value even after breaking off. ·Parameters set value can be locked with cipher code
Main technical parametersInput signal switched input passive contact switched input (normally open/normally closed)level input control signal for acoustics usage, high level signal ≥4 VOutput signal switched output ·Output a pair of passive normally open contact switch (which will be closed when alarms), contact action synchronizes with sound alarm ·DC level output signal > 4 V ·Passive switched output (normally open: which will be closed when alarms) ·Contact capacity: 3A/24VDC, 0.7 A/110 VAC resistive loadCharacteristicsmeasured channel ·single channelsilencing test ·external connecting silencing test button functiondisplay mode · incline luminotron operation state indication · planar luminotron operation state indication.Operation environmentambient temperature 0∼50relative humidity ≤ 85% RH, without dew and corrosive gaspower supply DC24 V ±5%, input resistance ≤50 Ωpower consumption 1.8 W when alarm,when without alarm 0.1W
Characteristicscaliber: DN10DN2000electrode: 316, Hb, Hc, Ti, Ta, Ptliner: PTFE, PFA, F46medium: conductity liquid (including solid/liquid)measuring error: ±0.3%, ±0.5%, ±1.0% flow (distinguish by caliber)flow: 0.510 m/s flange: international standard GB9115 or as per users' requirement)rated pressure: 0.6 MPa∼4.0 MPa (distinguish by caliber)degree of protection: IP65, IP67, IP68 output signal: 0∼20 mA output, frequency/pulse outputcommunication: RS485, RS232supply power: 220 VAC, 24VDC
Main featuresHigh accuracy, little temperature impactzero automatic regulation Stability: micro differential pressure: 0.02%FS/year Usual differential pressure: 0.025%FS/year Control parameter cipher locked, make sure security.Weight lightly, small volume The ratio of measuring range is bigSoftware compensationWhile changing range may not introduce pressure The failure self-diagnosis Waterproof, dust-proof, shockproof, explosion-proof, corrosion-proofLinear and evolution output combine·Field bus HART protocol communication
Technical parameters·Working pressure6.4 MPa, 16 MPa, 32 MPa·Working mediumgas, liquid, stream·Working environmentenvironmental temperature: -40∼+90 medium temperature: ≤200·Weight 1.6 kg Installation and operationThree valve units can be installed to either vertical pipe line or horizontal pipe line. When install, first the two ellipse oval flange on positive-negative pressure measuring container of transmitter would be take off, then take three valve units install on transmitter, turn tighten four screws, final take ellipse oval flange solidly install on three valve units. Installation dimension: (1) Four hole central distance of valve ends:54×41.3 (mm)(2) Four hole diameter of valve: connect to side of instrument positive-negative pressure container 4-φ12
