1. INTRODUCTION Item Supplied : 1. pH Indicating Controller Transmitter MS pH 97 2. Manual 3. Calibration Certificate (Page No. 17 of manual) 4. Test / Warrantee Certificate (Page No.19 of manual) Inspection : Check for mechanical damage due to possible improper handling during shipment. All claims for damage are to be made promptly to the shipper.
2. SAFETY INSTRUCTIONS General Instructions : This pH Indicating Controller Transmitter was carefully calibrated at the factory before shipment. When pH Indicating Controller Transmitter is delivered, visually check that no damage has occurred during transportation. Read this Manual carefully and understand instructions provided herein. In general, instruments from the manufacturer may only be installed, commissioned, operated and maintained by properly trained and authorized personnel.
3. TECHNICAL SPECIFICATIONS Instrument Name pH Indicating Controller Transmitter Make MicroSet Model No MS pH 97 Types of Input 1. pH Sensor through BNC 2. RTD PT 100 Temp. Sensor through Terminals 3 & 4 Supply 230V AC, 50 Hz Output 4-20 mA DC, MODBUS RS485 (Optional) Temperature Compensation...
TERMINAL CONNECTONS 1. Connect Power Supply 230 V AC to Instrument on back plate at Terminals 16, 15, 14(L,N,E). 2. Connect pH Sensor to BNC Connector on back plate. 3. Connect RTD PT 100 Temperature Sensor (if required) to Terminals 3 & 4 on back plate. (Please connect RTD PT100 Temperature Sensor AFTER Calibration Procedure.) 4.
6. CALIBRATION PROCEDURE Before starting Calibration Procedure, make sure Temperature is in Manual Mode at 25°C (When RTD PT100 Temperature Sensor is NOT connected, Temperature is in Manual Mode) Remove Protective cum storage cap of pH Sensor contaning Storage Solution.
7. TEMPERATURE COMPENSATION When RTD PT 100 Temperature Sensor is Connected, pH Indicating Controller Transmitter MS pH 97 automatically goes in Automatic Temperature Compensation Mode. When RTD PT 100 Temperature Sensor is Not Connected, pH Indicating Controller Transmitter MS pH 97 is in Manual Temperature Compensation Mode. For Temperature Display : For Temperature Setting in Manual mode:...
8. SLOPE Slope indicates health of pH Sensor. Generally slope between 70 and 115% is acceptable. If slope is below 70% or above 115%, you need to change the pH Sensor. 9. SETPOINT 1. You can use SPL1 & SPH1 for Low range controlling of pH If you enter SPL1 = 3.00 &...
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Similarly for setting of Setpoint SPH2, SPL2, SPH2. please refer below flow chart :...
10. MODBUS RS485 (Optional) This pH Indicating Controller Transmitter MODBUS communication is based on RS485 RTU. User can set the salve ID as per the requirement with following Specification, Baud Rate 9600 Slave ID 1 (default) Start Bit Data Bit Parity NONE Stop Bit...
10. SAFETY WARNING 1. Read Manual carefully and understand instructions & directions provided in this manual. 2. Installation, connections, commissioning and service shall be carried out by only qualified and authorized person. 3. To protect instrument from any external hazards, customer should take necessary care while preparing site ready before installation.
11. WARRANTEE CERTIFICATE MicroSet warrants each instrument to be free from defects in material & workmanship. This obligation to servicing or part returned to the company for that purpose & making good any parts thereof which shall be within warranty period, returned to the company under a written intimation & which to the company’s satisfaction to be found defective.
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