User manual HANNA INSTRUMENTS HI 983321-0

[. . . ] If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. These instruments are in compliance with the directives. SPECIFICATIONS Range Resolution Accuracy (@ 20°C) HI 983321 CE DECL OF CONF 0. 00 to 19. 99 ppm 0. 01 ppm ±2% f. s. Setpoint Adjustable through multiturn trimmer PRELIMINARY EXAMINATION Remove the instrument from the packing material and examine it carefully. If any damage has occurred during shipment, immediately notify your Dealer or the nearest Hanna Customer Service Center. The meter is supplied with: · Instruction manual; · Mounting brackets. [. . . ] LED indicators on the front panel identify whether the controller is in set or measurement mode, and if alarm is active. Recommendations for Users Before using these products, make s the environment in which they are u residential areas could cause unacc equipment. The metal band at the e static discharges. Avoid touching this m ESD wrist straps should be worn to a electrostatic discharges. Any variatio plied equipment may degrade the in To avoid electrical shock, do not use measurement surface exceeds 24 VA minimize any EMC interferences. To avoid damage or burns, do not pe ovens. dify the design, construction and appear- http://www. h ESCRIPTION ANEL 3. Probe Connection: follow the above diagram and connect the colored wires of probe cable as indicated. It is recommended to connect the shield (P5) to avoid any interference. Press the "MEAS" key. The LCD will show the TDS value of the solution in ppm unit. Any initial variation on readings may be due to temperature compensation. The "ALARM" LED will light up when the alarm contact is losed, to indicate an TDS value higher than selected setpoint. CALIBRATION This meter is factory calibrated. If re-calibration becomes necessary, a calibration solution has to be prepared with the help of HI 9034 TDS-meter (or similar). Recommended conductivity value of calibration solution should be around 13 ppm. Make sure the meter is in the measurement mode (the "MEAS" LED lights on). Immerse the probe in the prepared solution. Shake briefly and wait for reading to stabilize. Using a small screwdriver adjust the calibration trimmer until the meter displays the required TDS value on the LCD. The display will show the default or previously adjusted value for the setpoint. Using a small screwdriver, adjust the "SET" trimmer until the required limit value is displayed. PROBE MAINTENANCE HI 98332 OPERATIONAL GUIDE POWER CONNECTION HI 983321-0 Connect a 2-wire power cable to the terminal strip while paying attention to the correct positive and negative contacts (12 VDC). [. . . ] Install the probe in the fittings or immerse it in the solution to be monitored, while making sure that metal pins are completely submerged. Front view of the panel-mounted unit ys the set value ys the measured value tact is activated ANEL I 983321-1 15/230 VAC 230 VAC 115 VAC Neutral Protection Earth lly protected by a 400 mA fuse Side view of the panel-mounted unit Supplied adjustable location brackets allow the controller to slide into the cutout and will hold the unit securely in place. 95 mm (3. 74") is the minimum amount of space required to install the controller. Panelmounted unit assembling view ACCES To improve probe performance and prolong its life, it is recommended to clean it regularly. · Immerse the tip of the probe in HI 7061 Cleaning Solution at least for one hour. · If a more thorough cleaning is required, brush the metal pins with very fine sandpaper. [. . . ]