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paperless recorder,digital recorder,data logger,paperless chart recorder.. INPUT SIGNAL Analog Input: Thermocouple BRSKETJW RTD Pt100Cu50 Voltage 05V 15V 0100mv 020mv Current 010mA 420mA Pulses Input: Rectangular Wave, Since Wave or Triangle Wave Attitude≥4V Frequency 020KHz OUTPUT SIGNAL. Analog Output: Current 010mA (Load≤750Ω) 420mA (Load≤500Ω) Voltage 05V (Load≥250KΩ). 15V (Load≥250KΩ). Pulses Output: Relay Contact:AC220V/3A or DC 24V/5A (Resistance Load) SCR Output:400V/0.5A SCR Output:530V/0.05A. Power Output: 24VDC/30mA ACCURACY: 0.5%FS±1 digit or 0.2% FS±1 digit ....... SMALL SIGNAL CUT OFF:025.5%FS MEASUREMENT RANGE:-1999999999 digit. SAMPLING PERIOD: 1 Second. RECORDING RATE: Between 1 Second to 4 Minutes, selection of total 240 steps, by second SCREEN DISPLAY: Lighted Background Large Screen Liquid Crystal Display (LCD)Graphic Display Screen. It can display English/Chinese characters, aphetic letter, numeric, process curves and light spot. Operation of the keypad on the front panel will change screen, search historical data backwards and forwards, adjust contrast of the screen display and change screen time axis settings, etc. PARAMETERS SETTING: English/Chinese menu prompt, front panel keypad setting or higher level peripheral setting through communication port, password protected parameters setting. ALARM FUNCTION: Every channel can set up to 4 alarm, every alarm can select high alarm or low alarm,setting alarm output delay timing, alarm dead band, relay contact output (using 4 relay repeatedly),alarm buzzer output ,as well as external alarm horn contact and automatic change to alarm screen. Every channel will keep the latest 16 alarm information . CONTROLS: Select ON/OFF relay contact output with dead band(AC220V/3A) COMMUNICATION OUTPUT: RS232/485 Baud Rate 120057600pbs(TTL electric level rightside port) Baud Rate 120019200pbs(with optical isolationrear panel port) PRINTING: Connect to panel mount, desktop micro printers or wide-range printer with serial port connection (i.e.LQ-300K)printing historical data or curves. PROTECTION: Parameters setting permanentlywith WATCHING DOG circuit. SCREEN SAVER: In order to save life of the LCD screen ,the screen will be automatic shutoff, if no keypad is operated for a period of time .The display will be back with pressing any keypad. LANGUAGE : ENGLISH/CHINESE ENVIRONMENT: Ambient Temperature 050 Relative Humidity≤90%RH Avoid strong corrosive gases Power Supply AC90AC220V+10-15% 5060Hz POWER COMPSUNSION : 25W WEIGHT: Approx. 2700g. INSTALLATION:Dimensions:144×144×240mm Cutout Size :138×138mm Mounting: guided mounting rails..