User manual HANNA INSTRUMENTS HI 983324-0

[. . . ] 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/68ºF) Setpoint CE DECL OF CONF HI 983324 0. 0 to 49. 9 ppm 0. 1 ppm ±2% f. s. 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. [. . . ] Measurements are highly accurate and the meters can be calibrated at one point. 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 reading 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 eration, ESD wrist straps should be w probe by electrostatic discharges. An the supplied equipment may degrad To avoid electrical shock, do not use measurement surface exceeds 24 VAC mize any EMC interferences. To avoid damage or burns, do not pe ovens. http://www. h ESCRIPTION PANEL 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. CALIBRATION HI 98332 HI 983324-0 Connect a 2-wire power cable to the terminal strip while paying attention to the correct positive and negative contacts (12 VDC). HI 983324-1 Connect a 3-wire power cable to the terminal strip while paying attention to the correct earth, neutral and line contacts (115/230 VAC). ays set value ays measured value tact is activated 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. ALARM CONTACT Use this contact (maximum 2A, 220V) for connection to an alarm or dosing system. The unit acts as a switch to control an external device. OPERATING THE METER All operations can be controlled via front panel keys and trimmers. "SET" and "MEAS" LEDs light up to indicate which is the operating function. Make sure that the meter is calibrated and the Setpoint is properly selected before performing any measurement. [. . . ] · If a more thorough cleaning is required, brush the metal pins with very fine sandpaper. · After cleaning, rinse the probe with tap water and recalibrate the meter. · When not in use, clean the probe before storing it. Front view of the panel-mounted unit Side view of the panel-mounted unit Adjustable location brackets (supplied with the meter) allow the controller to slide into the cutout and will hold the unit securely in place. [. . . ]