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Hanna Instruments HI 9910, Инструкция по эксплуатации

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5

Fig.4

Figure 4

: Dimensioned front view. The molded, mounting holes in 

the four corners provide for quick and secure installation. 
No additional hardware is needed for mounting. All electri-
cal connections and controls are located on the front of the 
instrument, so that any adjustment can be made without 
needing to remove the unit.

Содержание HI 9910

Страница 1: ...Instruction Manual HI9910 HI9911 HI9920 Wall Mounted pH ORP Controllers w w w h a n n a i n s t c o m...

Страница 2: ...compliance with the directives WARRANTY All Hanna Instruments Office controllers are warranted for two years against defects in workmanship and materials when used for their intended purpose and main...

Страница 3: ...2 A fuses Use only the specified fuses for replacement HI9910 HI9911 and HI9920 are wall mounted pH and ORP regulators designed to meet a variety of process control requirements The electrode can be i...

Страница 4: ...AL LAYOUTS Fig 3 Figure 3 Dimensioned bottom view Figure 2 Controls and terminals of the HI9910 pH controller Layouts vary according to model Fig 2 Fig 1 Figure 1 BNC plug for electrode and wiring acc...

Страница 5: ...s in the four corners provide for quick and secure installation No additional hardware is needed for mounting All electri cal connections and controls are located on the front of the instrument so tha...

Страница 6: ...ob 11 Overdosage timer knob 12 Proportional pH band and time cycle settings knobs 13 pH Alarm setting trimmer from 0 5 to 2 5 pH 14 Short these terminals if no ground probe is used or wire the ground...

Страница 7: ...TIONAL CONTROL pH is user adjustable from 0 to 2 0 and time cycle from 0 to 90 seconds ALARM CONTACT Terminals can be configured as Normally Open or Nor mally Closed isolated output Max 2A 250Vac 30Vd...

Страница 8: ...l Temperature Compensation knob 11 Two independent overdosage timers knobs 12 Proportional pH band and time cycle settings knobs 13 pH Alarm setting trimmer from 0 5 to 2 5 pH 14 Short these terminals...

Страница 9: ...OL pH is user adjustable from 0 to 2 0 and time cycle from 0 to 90 seconds ALARM CONTACT Terminals can be configured as Normally Open or Nor mally Closed isolated output Max 2A 250Vac 30Vdc resistive...

Страница 10: ...able the alarm 9 Overdosage timer knob 10 Proportional ORP band and time cycle settings knobs 11 ORP Alarm setting trimmer from 50 to 250 mV 12 Short these terminals if no ground probe is used or wire...

Страница 11: ...ALARM CONTACT Terminals can be configured as Normally Open or Nor mally Closed isolated output Max 2A 250Vac 30Vdc resistive load 1 000 000 strokes The alarm is activated if the ORP value varies by mo...

Страница 12: ...NC socket on the bottom of the casing and twist it into a secure position All models are provided with the differential input feature to reduce electrical noise and interference and come with the Matc...

Страница 13: ...al connected device When the alarm is activated all the other terminals such as dosing relays are disactivated The alarm ON OFF switch can only disable the alarm terminal e g the buzzer stops sound wh...

Страница 14: ...output 0 20 or 4 20 mA with the selector switch The mA output value corresponds to the pH or ORP value over the whole measurement range For example when measuring pH 7 the output value is 10 or 12 mA...

Страница 15: ...ferent power supply requirement version 1 works at 115 Vac 60 Hz version 2 works at 230 Vac 50 Hz version 3 works at 100 Vac 50 60 Hz Before connecting the unit to the mains make sure that the control...

Страница 16: ...e next If no separate ground probe is used make sure that the Reference and the Matching Pin terminals are shorted If the pH electrode incorporates a ground probe matching pin as for example HI1003 3...

Страница 17: ...r and immerse the tip s in pH4 01 HI7004 or pH10 01 HI7010 buffer solution An immersion level of about 4 cm 1 5 is recom mended Note Use pH4 01 if monitoring acidic solutions use pH10 01 for alkaline...

Страница 18: ...ion level of about 4 cm 1 5 is recommended If no separate ground probe is used make sure that the Reference and the Matching Pin terminals are shorted If the ORP electrode incorporates a ground probe...

Страница 19: ...layed e g pH6 00 DOSING SELECTION Select the desired dosing acid or alkaline through the ALK ACID switch To dose acidic substances solutions and lower the pH value set the selector switch to ACID to d...

Страница 20: ...he COARSE trimmer and then tune through the FINE trimmer until the desired setpoint value is displayed e g pH8 00 b ALKALINE SETPOINT and DOSAGE To set the lower limit and direct the controller to inc...

Страница 21: ...s the previously set value e g mV650 Using a small screwdriver first adjust the value through the COARSE trimmer and then tune it through the FINE trimmer until the desired setpoint value is displayed...

Страница 22: ...have been set Connect the electrode and wire the ground probe if used to the controller Remove the electrode protective cap Ensure that the electrode is properly installed and permanently im mersed i...

Страница 23: ...ches the setpoint depending on control direction the selected Delta the dosing relay is always on pH proportional control example Setpoint 5 00 pH Reading 6 50 pH Reading Setpoint 1 5 pH Proportional...

Страница 24: ...controller will operate with no proportional dosage with an hysteresis of approximately 0 1 pH or 7 mV Do not set the time cycle to zero This will cause the relay to chatter and can be detrimental to...

Страница 25: ...VALUES AT VARIOUS TEMPERATURES Examples if the buffer temperature is 25 C 77 F calibrate the meter to read 4 01 7 01 or 10 01 on the display if the temperature is 20 C calibrate to 4 00 7 03 or 10 06...

Страница 26: ...omolecular layer of oxygen is developed on its surface This layer does not prevent the electrode from functioning but it increases the response time The opposite effect is obtained when the platinum s...

Страница 27: ...or allow more time upon installation for its stabilization Keep the electrode far from any mechanical stress which might cause damages Install the electrode in such a way that it is constantly immers...

Страница 28: ...y to install a transmitter to obtain accurate readings at distances from 10 to 50 m 33 165 Since the introduction of AmpHel electrodes these distances are no longer a problem connect the meter directl...

Страница 29: ...HI2013 3 PTFE double junction electrode with external threads and matching pin Hanna Instruments manufacturers hundreds of pH and ORP electrodes for a wide variety of process and water treatment appl...

Страница 30: ...total length HI6054B Electrode holder for in line applications HI7610 Stainless steel Pt100 probe with 5 m cable HI7620 Glass body Pt100 probe with 5 m cable HI8427 pH and ORP Electrode Simulator and...

Страница 31: ...aps 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...

Страница 32: ...2 Japan Tel 03 3258 9565 Fax 03 3258 9567 Korea Tel 02 2278 5147 Fax 02 2264 1729 Malaysia Tel 603 5638 9940 Fax 603 5638 9829 Singapore Tel 6296 7118 Fax 6291 6906 South Africa Tel 011 615 6076 Fax 0...

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