User manual HANNA INSTRUMENTS HI 983318-0

[. . . ] Note: Conserve all packing material until the instrument has been observed to function correctly. Any defective item must be returned in its original packing. Manufacturers since 1978 These Instruments are in Compliance with the CE Directives WARRANTY These meters are warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions. The probe is warranted for a period of six months. This warranty is limited to repair or replacement free of charge. [. . . ] Power supply, wiring and selection are made via the plugin terminal blocks on the rear panel. 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 sure that they are entirely suitable for the environment in which they are used. Operation of these instruments in residential areas could cause unacceptable interferences to radio and TV equipment. The metal band at the end of the probe is sensitive to electrostatic discharges. Avoid touching this metal band at all times. During operation, ESD wrist straps should be worn to avoid possible damage to the probe by electrostatic discharges. Any variation introduced by the user to the supplied equipment may degrade the instrument's EMC performance. To avoid electrical shock, do not use these instruments when voltage at the measurement surface exceeds 24 VAC or 60 VDC. Use plastic beakers to minimize any EMC interferences. To avoid damage or burns, do not perform any measurement in microwave ovens. ISTR983318R4 12/01 Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice. http://www. hannainst. com FUNCTIONAL DESCRIPTION FRONT PANEL Keypad SET MEAS HI 983318 TDS CONTROLLER 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. OPERATIONAL GUIDE POWER CONNECTION The "ALARM" LED will light up when the alarm contact is closed, to indicate a TDS value higher than selected setpoint. When the alarm contact is closed, the "ALARM" LED will be lit. CALIBRATION HI 983318 LAYOUT Front view of the panel-mounted unit 73mm 2. 87" 79mm 3. 11" To display setpoint To display measurement ppt 0. 00 . . . 10. 00 ppt ALARM Trimmers CAL For calibration SET To adjust setpoint LEDs SET MEAS ALARM HI 983318-0 Connect a 2-wire power cable to the terminal strip while paying attention to the correct positive and negative polarities (12 VDC). CAL SET Make sure the meter is in the measurement mode (the MEAS" LED lights on). Immerse the probe in HI7038 (6, 44 ppt) calibration solution or another solution with a known g/L value. 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 with the cables connected. 42mm 1. 65" 49mm 1. 93" 0. 25/4mm 0. 01/0. 160" ADJUSTABLE LOCATION BRACKET SET MEAS ON when LCD displays the set value ON when LCD displays the measured value ON when alarm contact is activated HI 983318-1 Connect a 3-wire power cable to the terminal strip while paying attention to the correct earth, neutral and line contacts (115/230 VAC). Notes: · All external cables connected to the rear panel should end with wire lugs. · It is recommended to cover the unused terminals with insulating tape. · At start up the meter needs a few seconds to stabilize. Wait until a stable reading is displayed. [. . . ] 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 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 for one hour. [. . . ]