User manual HANNA INSTRUMENTS HI 981411-0

[. . . ] These instruments are in compliance with the . SPECIFICATIONS HI 981411 Range Resolution Accuracy (@ 20°C/68°F) Offset Calibration 0. 0 to 14. 0 pH 0. 1 pH ±0. 2 pH Manual, through trimmer CE DECLARATION OF CONFORMITY 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: - Mounting brackets; - Instruction manual. [. . . ] Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc. , Woonsocket, Rhode Island, 02895 , USA. Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice. GENERAL DESCRIPTION HI 981411-0 and HI 981411-1 are pH indicators and controllers with a relay output designed for simplicity of use in a wide range of applications. The models are panel-mounted with membrane keypads on the front panel and an easy-to-read LCD display. Power supply, wiring and selection are made via the plugin terminal blocks on the rear panel. The instruments are equipped with a BNC socket and accept input from conventional combination pH electrode. LED indicators on the front panel identify whether the controller is in set or reading mode, and if dosing device is activated. Recommendations for Users Before using this product, make sure that it is entirely suitable for the environment in which it is used. Operation of this instrument in residential areas could cause unacceptable interferences to radio and TV equipment. The glass bulb at the end of the electrode is sensitive to electrostatic discharges. During operation, ESD wrist straps should be worn to avoid possible damage to the electrode 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 this instrument when voltages at the measurement surface exceed 24 VAC or 60 VDC. To avoid damages or burns, do not perform any measurement in microwave ovens. http://www. hannainst. com ISTR981411R5 06/2001 OPERATIONAL GUIDE POWER CONNECTION HI 981411-0 Connect a 2-wire power cable to the terminal strip while paying attention to the correct positive and negative contacts (12VDC). HI 981411-1 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. DOSING CONTACT This contact (maximum 5A, 240VAC, 30VDC) is used for connection to an alarm or dosing system. OPERATING THE METER All settings of the parameters can be controlled via front panel keys and trimmers. [. . . ] Adjust the calibration trimmer until "7. 0" is displayed on the LCD. Using a small screwdriver adjust FUNCTIONAL DESCRIPTION FRONT PANEL Keypad SET MEAS To display setpoint To display measurement HI 981411 pH CONTROLLER pH 0. 0 . . . 14. 0 pH HI981411 LAYOUT pH ELECTRODES Heavy-duty BNC-type double junction, plasticbody with external thread and 5m (16. 5') cable HI1090T Screw type, double junction, glass-body with external thread HI1110S Screw type, single junction, glass-body HI1210T Screw type, double junction, plastic-body with external thread HI2114P/2 BNC-type, double junction plastic-body with 2m (6. 6') cable HI1210B/5 BNC-type cable, double junction, plastic-body, with 5 m (16. 5') cable HI2910B/5 BNC-type, double junction, plastic-body, builtin amplifier, with 5 m (16. 5') cable EXTENSION CABLES FOR SCREW-TYPE ELECTRODES TO BNC CONNECTOR HI7855/5 HI7855/10 Extension cable 5m (16. 5') long Extension cable 10m (33') long HI1002/5 Front view of the panel-mounted unit 73mm 2. 87" 79mm 3. 11" Trimmers CAL For pH Offset Calibration SET To adjust the Setpoint SET DOSING CAL MEAS SET LEDs SET MEAS DOSING ON when LCD displays the set value ON when the LCD displays the measurement value ON when dosing contact is activated 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. 95mm (3. 74") is the minimum amount of space required to install the controller. 42mm 1. 65" 49mm 1. 93" 0. 25/4mm 0. 01/0. 160" ADJUSTABLE LOCATION BRACKET 79mm 3. 11" 76mm 3" 95mm MIN 3. 74" REAR PANEL 1. [. . . ]