Sper Scientific Instruments | Environmental Measurement Instruments – Sper Scientific Direct
User Manual for Sper Scientific Instruments models including: 870007 Inline Dissolved Oxygen Analyzer, 870007, Inline Dissolved Oxygen Analyzer, Dissolved Oxygen Analyzer, Oxygen Analyzer
Online Water Quality Monitors Sensors – Sper Scientific Direct
Online Industrial Dissolved Oxygen Meter – Sper Scientific Instruments
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DocumentDocument870007 Inline Dissolved Oxygen Analyzer User Manual Sper Scientific Instruments Catalog Technical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Installation and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Size ....................................................... 2 Installation ....................................................... 2 Wiring ....................................................... 3 Operation Interface ................................................... ..... 4 Measurement Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Setting ....................................................... 6 Setting menu ....................................................... 6 Unit ....................................................... 7 4-20mA ....................................................... 7 Communication ...................................................... 7 Temperature ....................................................... 8 Simulation ....................................................... 8 Relay1 ....................................................... 9 Relay2 ....................................................... 9 Relay3 ....................................................... 9 Storage ....................................................... 10 Date&Time ....................................................... 10 Language ....................................................... 10 Backlight ....................................................... 11 Factory data reset ....................................................... 11 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Parameter Calibration ................................................... 12 Zero Calibration ....................................................... 13 Saturated Calibration .................................................... 13 Given Value Calibration ................................................... 14 Factory data reset ....................................................... 14 History Waveform Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Introduction Industrial Inline Dissolved Oxygen Analyzer offers excellent functionality, stable performance, easy operation, low power consumption along with the highest safety and reliability. The dissolved oxygen analyzer can be widely used in industrial application such as thermal power generation, chemical industry, metallurgy, environmental protection, pharmaceutical, biochemical, food and tap water. Technical Features 1) Extremely quickly and precision dissolved oxygen sensor. 2) It is suitable for harsh application and maintenance-free. 3) Provides two ways of 4-20mA output for dissolved oxygen and temperature. 4) With data recording function, user easy to check history data and history curve. Technical Specifications Specifications Name Shell Power Supply Power Consumption Output Relay Size Weight Protocol Range Accuracy Waterproof Level Storage Environment Working Environment Details Inline Dissolved Oxygen Analyzer ABS plastic 90V ~ 260V AC 50/60Hz 4W Two 4-20mA output tunnels, RS485 5A/250V AC 5A/30V DC 144mm×144mm×104mm 0.9kg Modbus RTU 0.00 mg/L ~20.00 mg/L 0.00 % ~200.00 % -10.0 ~100.0 ±1%FS ±0.5 IP65 -40~70 0%~95%RH (non-condensing) -20~50 0%~95%RH (non-condensing) 1 Installation and Wiring SIZE Installation 2 Wiring 3 Operation Interface There are 2 modules in the main panel of the dissolved oxygen measuring instrument, LED LCD display module and button module. Users can set and adjust the parameters of the instrument through the 5 buttons on the panel. Picture 1 Operation Interface Set/Exit button Select/Shift button Up button Down button Confirm button LED screen 4 Measurement interface Enter the main measurement interface after the start-up animation. When the instrument is working normally, the LED display shows the following content. Picture 2 Main interface Measurement value Unit Temperature Real-time date Real time Measurement status 4-20mA corresponding value of dissolved oxygen Relay status Mode 5 Setting Press "Set/Exit Button" to enter the password input interface. Picture 3 Password Enter settings: Enter the password "3700" to enter the setup menu. Picture 4 Setting Menu 6 3.1 Unit In this menu, users can change the measurement method. Picture 3.1 Unit 3.2 4-20mA In this menu, users can change the corresponding value of 4-20mA and set the corresponding effective range. Picture 3.2 4-20mA 3.3 ModbusRTU communication In this menu, users can change the communication address and rate. Picture 3.3 ModbusRTU communication 7 3.4 Temperature In this menu, users can set the temperature offset and manually set the temperature. Picture 3.4 Temperature 3.5 Simulation In this menu, users can simulate the 4-20mA current output. The current output can be verified by simulating the measurement of the IO1 (measured value) and IO2 (temperature) ports. The release relay is closed. The relay is simulated and verified. Picture 3.5.1 Simulation1 Picture 3.5.2 Simulation2 8 3.6 Relay1 In this menu, users can switch the relay 1 function, set the parameter alarm upper limit value, alarm return difference value, and alarm delay time. Picture 3.6 Relay1 3.7 Relay2 In this menu, users can switch the relay 2 function, set the parameter alarm lower limit value, alarm return difference value, and alarm delay time. Picture 3.7 Relay2 3.8 Relay3 In this menu, users can set the relay 3 function, set the cleaning time and cleaning cycle. Picture 3.8 Relay3 9 3.9 Storage In this menu, users can set the storage function (default off), clear storage memory and recording interval. Picture 3.9 Storage 3.10 Date&Time In this menu, users can change date and time according to different time zone. Picture 3.10 Date&Time 3.11 Language Users can choose English or Chinese according to need. Picture 3.11 Language 10 3.12 Backlight In this menu, users can change the backlight mode of the LCD screen. The backlight can be always on or delayed off (the default is delayed off), the backlight brightness can be changed (brightness level 1-5, brightness increases), and the contrast can be changed. Picture 3.12 Backlight 3.13 Factory data reset In this menu, users can restore the current output and relay to the factory parameters. Picture 3.13 Factory data reset 11 Calibration Press "ESC" to enter the password input interface. Picture 5 Password Enter calibration menu: Enter the password "3900" to enter the calibration menu. Picture 6 Calibration menu 4.1 Parameter Calibration In this menu, users can manually change the parameters of atmospheric pressure and salinity. Picture 4.1 Parameter Calibration 12 4.2 Zero Calibration In this menu, users shall put the electrode into anaerobic water. When the value comes stable, press `Enter' buttom. Picture 4.2 Zero Calibration 4.3 Saturated Calibration In this menu, users shall put the electrode into air. When the value comes stable, press `Enter' buttom. Picture 4.3 Saturated Calibration 13 4.4 Given Value Calibration Put the electrode in the measuring liquid of known concentration, set it to the ppb value of the solution of known concentration, and press the confirm key. Picture 4.4 Given Value Calibration 4.5 Factory data reset In this menu, users can restore the calibration parameters to the factory parameters. Picture 4.5 Factory data reset History Data Display Press "ESC" to enter the password input interface. Picture 7 Password 14 Enter History Data Display: Enter the password "1300" to enter the History Data Display. Press the up and down keys to switch the display. It can store up to 1000 records and overwrite automatically if reach maximum. Picture 8 History Waveform Display Press "ESC" to enter the password input interface. Picture 9 Password Enter Waveform Display: Enter the password "1400" to enter the Waveform Display. Press the up and down keys to switch the display. Picture 10 Waveform Display 15 Appendix Communication protocol Communication parameters: Baudrate:4800, 9600, 19200(9600default) Serial data format: 8N1(8 data bits, No parity, 1 stop bit) Function code: 03 Device address: Dissolved oxygen analyzer defaults to 3 Register definition: Register Definition R/W Remarks address(Dec) 0 Temp R 1 DO R 2 nA R ×0.1sint16 ×0.01mg/Luint16 ×0.01nAuint16 3 Saturation R ×0.1%uint16 8 RTU Address R/W Modbus communication addressDO defaults 3. 9 Baudrate R/W 48009600192009600 as default Examples of communication formats: Data reading instruction Addr. + Func. + Register start address + Number of Registers read + CRC check code (Hex) e.g. Tx:03 03 00 01 00 01 D4 28 Address Func. Register start address Number of Registers read CRC check code 03 03 0001 0001 D428 Data return instruction: Address + Func. + Data length + Data + CRC check code (Hex) e.g. Rx:03 03 02 00 DF 80 1C Address Func. Data length DO value 16 CRC check code 03 03 02 00DF 801C The hexadecimal number DF is converted to decimal by a calculator (programmer mode) to obtain the value 223. The actual value contains 2 decimal places, then the actual value is 223×0.01= 2.23 Electrode parameter table of Online Dissolved Oxygen Analyzer Type DOG-209FA DO Range 0.00mg/L~20.00mg/L Temperature Range 0.0~60.0 Accuracy 3%±0.5 Withstand pressure 0.06MPa Waterproof level IP68/NEMA6P Polarization time 60min Deviation ±0.1mg/L Sper Scientific Instruments www.sperdirect.com 17