User manual HANNA INSTRUMENTS HI 983314-0

[. . . ] OPERATIONAL GUIDE POWER CONNECTION HI 983314-0 and HI 98331400 Connect a 2-wire power cable to the terminal strip while paying attention to the correct positive and negative contacts (12 VDC). HI 983314-1 Connect a 3-wire power cable to the terminal strip while paying attention to the correct earth, neutral and line contacts (115/230 VAC). [. . . ] TAKING MEASUREMENTS Attach the resistivity probe to the meter and immerse it in the solution to be monitored while making sure that the metal pins are completely submerged. The corresponding led will light up to indicate that you are operating in measurement mode. The resistivity value of the solution will be displayed on the LCD in M/cm unit. SELECTING SETPOINT The meter allows to select the setpoint value that will act on the alarm contact. The corresponding led will light up and the display will show the default or previously selected value. Adjust the SET trimmer on the front panel by using a small screwdriver, until the required setpoint value is displayed. Adjust the calibration trimmer on the top of the meter until the resistivity value of calibration solution is displayed. ERROR MESSAGES Problems with probe connections, or temperature too low to assure correct reading. MECHANICAL DIMENSIONS AND ASSEMBLING OF PANELMOUNTED UNIT The supplied adjustable location brackets allow the controller to slide into the cutout of the panel, and will hold the unit in place. 95 mm (3. 74'') is the minimum of space required to install the controller. CE DECLARATION OF CONFORMITY SELECTING TEMPERATURE COEFFICIENT The reading is automatically corrected for temperature variations by using the linear compensation method: R 25=Rt(1+(t-25)) where Rt is the resistivity at the temperature t. The temperature coefficient is selectable through the jumpers on rear panel. To select = 4. 5%/ºC, close the jumper on the left: To select = 3. 5%/ºC, close the upper jumper: To select = 2. 4%/ºC, close the lower jumper: Note : if the coefficient 4. 5%/ºC is selected, a minimum measurement temperature of 10ºC is suggested to maintain the best accuracy of the meter. ACCESSORIES HI 3314 Resistivity probe HI 710005 12 VDC power adapter, US plug HI 710006 HI 710012 HI 710013 HI 710014 12 12 12 12 VDC VDC VDC VDC power power power power adapter, European plug adapter, Australian plug adapter, Southern Africa plug adapter, UK plug HI 731326 Calibration screwdriver (20 pcs) HI 740146 Mounting brackets Recommendations for Users Before using these products, make sure that they are entirely suitable for the environment in which they are used. [. . . ] To avoid electrical shock, do not use these instruments when voltage at the measurement surface exceeds 24 VAC or 60 VDC. To avoid damage or burns, do not perform any measurement in microwave ovens. ISTR983314R1 12/2001 [. . . ]