WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM WK7200 USER’S MANUAL Water Quality Test Kit INTRODUCTION: Thank you for selecting model WK7200 microprocessor-based waterproof Water Quality Test Kit. It is used to measure a wide range of pH, ORP, Conductivity, TDS, Salinity and Temperature with a replaceable electrode. Please read and follow the manual carefully.
WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM FEATURES: • Large LCD displays Temperature along with either pH or ORP or Conductivity or TDS or Salinity simultaneously • Waterproof to IP-57 standard • It floats on water • Automatic Temperature Compensation (ATC) • Degree °F/°C switchable COND ORP TDS Salt and unit pH, mV, µS, mS, ppm, ppt, °F, °C for • Icon PH easy recognition while selecting function modes • Displays MIN/MAX value and Data hold • Low battery indicator • Automatically shuts off af
WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM DEVICE DESCRIPTION: Lanyard Connection Battery Compartment Cap Main Display Hold/MIN & MAX Button Function Mode Button pH Electrode Module Power/Calibration Button Soaking Bottle Electrode Collar Protective Cap Electrode Module Sensor Tip Sensor Protective Cap Page 3
WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM DISPLAY DESCRIPTION: FUNCTIONS OF KEYBOARD: POWER/CALIBRATION 1. Press button to switch power On or Off 2. Press and hold button to enter calibration mode FUNCTION MODE 1. Press button to select the desired measurement mode Conductivity, TDS, or Salinity during insert Conductivity cell 2. Press and hold button to change degree °F or °C HOLD/MIN&MAX 1. Press button to enter Hold mode 2.
WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM OPERATING PROCEDURE: ACCESSORIES Upon receiving the shipment, inspect the container and equipment for any signs of damage. Verify that you have received all the items listed below: Meter, Conductivity cell, Buffer Solution pH 4 & 7, Standard Solution 1413 S/cm, Soaking Solution, Lanyard, Battery (installed), Instruction manual, Carrying case. Optional: ORP electrode PREPARATION 1.
WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM ＜ Conductivity ＞ 1. Make sure the sensor is Conductivity cell, or check that the icon COND , TDS or Salt appears in the LCD display. 2. Dip the conductivity cell into the standard solution 1413 µS/cm. Stir gently and wait until the display is stabilized. Press and hold button to enter calibration mode until the icon CAL appears in the display, and flashes 1413 µS/cm.
WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM FUNCTIONS MODE 1. Press button to enter the Hold function mode. The icon HOLD will appear, and the reading value shown in the display can be locked. Return to measurement mode by pressing the button again. 2. Press and hold button to enter the Maximum and Minimum function mode until the flash icon of MAX and MIN appears In the display. The value of maximum and minimum will show in the display while pressing button lightly.
WK7200 Manual-FINAL 8-18-08:Layout 1 8/15/08 11:52 AM Calibration Certificate This certificate guarantees that this product has been inspected and tested in accordance with the published specifications. The instrument has been calibrated by using equipment which is already calibrated to standards traceable to International standards. Model: WK7200 Serial no.
