Hanna Instruments HI 8711 - Manuals

Hanna Instruments HI 8711 – Manual in PDF format online.

Manuals:

Manual

Manual Hanna Instruments HI 8711

Summary

Page 3 - AVAILABLE MODELS

5 4£ 4 AVAILABLE MODELS HI 8510E020 pH indicator with electrodeinput and 0-20 mA recorderoutput HI 8510E420 pH indicator with electrodeinput and 4-20 mA recorderoutput HI 8510T020 pH indicator with input fromtransmitter and 0-20 mArecorder output HI 8510T420 pH indicator with input fromtransmitter a...

Page 4 - pH; Keypad; SLOPE For Slope calibration; Front view of the panel-mounted unit

7 6£ 6 FUNCTIONAL DESCRIPTION HI 8510 FRONT PANEL SLOPE Δ SENSOR TEST pH 7 TEST pH 4 TEST pH HI 8510E pH Keypad SENSOR TESTTo display the mV reading of the electrode and,therefore, verify its working condition pH 7 TESTTo verify the internal circuit of the meter in termsof Offset compensation pH 4 T...

Page 6 - FUNCTIONAL DESCRIPTION HI 8512; mV TEST; Trimmers; For slope calibration; FRONT PANEL; ORP

11 10£ 10 1. Fuse holder 2. Power supply terminals 3. Recorder output terminals 4. BNC socket for ORP electrode REAR PANEL HI 8512E FUSE FUSE ELECTRODEINPUT 220 11 0 L 1 2 3 4 mA OUT + - FUNCTIONAL DESCRIPTION HI 8512 Keypad 0 mV TEST To verify the instrument cali-bration at 0 mV 500 mV TEST To veri...

Page 7 - FUNCTIONAL DESCRIPTION HI 8710; ΔΔΔΔΔ; Power supply terminals

13 12£ 12 FUNCTIONAL DESCRIPTION HI 8710 KeypadSET To set the pH dosage limit MEASURE To enter measurement modeand to enable diagnostic tests SENSOR TEST To display electrode mV reading and verify its working condition ΔΔΔΔΔ AL To display & set alarm tolerance pH 7 TEST To verify Offset compensa...

Page 9 - FUNCTIONAL DESCRIPTION HI 8711

17 16£ 16 ΔΔΔΔΔ Al To display and set thealarm tolerance pH 7 TEST To verify Offset compen-sation pH 4 TEST To verify amplifier circuit Trimmers ΔΔΔΔΔ O For Offset calibration SLOPE For Slope calibration ΔΔΔΔΔ AL To set the tolerance of thealarm ACID SET/COARSE To coarsely adjust acid setpoint ACID ...

Page 11 - FUNCTIONAL DESCRIPTION HI 8720

21 20£ 20 Trimmers SLOPE For Slope calibration ΔΔΔΔΔ AL To display and set the alarmtolerance SET/COARSE To coarsely adjust the setpoint SET/FINE To finely adjust the setpoint LEDs OXID Show that the oxidant dosage isactive REDUC Show that the reductant dosageis active ΔΔΔΔΔ AL (blinking) Indicate a...

Page 13 - SPECIFICATIONS; I I

25 24£ 24 HI 8510E HI 8510T Range 0.00 to 14.00 pH Resolution 0.01 pH Accuracy ±0.02 pH ±0.5% Typical EMC Dev. ±0.1 pH / ±0.2 mA Installation Category I I Input 10 12 Ohm 4 to 20 mA Calibration Offset: ±2 pH with Δ 0 trimmer Slope: 80 to 110% with slope trimmer T e m p e r a t u r e Fixed or automat...

Page 14 - INITIAL PREPARATION

27 26£ 26 • Connect a 3-wire cable tothe power supply terminalaccording to the voltage levelas indicated, and pay par-ticular attention to the correctl i v e , e a r t h a n d n e u t r a lconnections. • For E models, connect theelectrode to the BNC plugon the rear panel. • For T models, connect the...

Page 15 - Note: All external cables connected to the rear; panel should be ended with cable lugs.

29 28£ 28 • Consent contacts (HI 8710 and HI 8720):these contacts (max. 2A, 240 V) are usedfor reduction and oxidation reactions whenthe pH controller works in conjunction withan ORP controller and vice versa.In these applications, the consent contactsof both meters are connected together tolink the...

Page 16 - OPERATIONAL GUIDE

31 30£ 30 Using a small screwdriver adjust the ACIDSET COARSE and FINE trimmers to displaythe desired acid set value. To set the working point for alkaline dosage,press the BASE SET key and the display willshow the set value for base dosage. Using a small screwdriver adjust the BASESET COARSE and FI...

Page 17 - For HI 8710, if the set value is pH 3 and the; Alarm is 1.5 pH, the instrument generates; For HI 8720, if the set value is 300 mV and the; Alarm is 100 mV, the instrument generates an

33 32£ 32 When acid dosage is active,the ACID LED lights up, whileduring alkaline dosage, theBASE LED turns on (HI 8710only). When oxidant dosage is active,the OXID LED lights up, whileduring reductant dosage, theREDUC LED turns on (HI 8720only). SLOPE DOSAGE ACID BASE Δ AL COARSE SET FINE MEA SURE ...

Page 18 - trimmer to display the buffer; pH CALIBRATION

35 34£ 34 Rinse pH electrode and thermometer probethoroughly with water, then immerse them inpH4.01 (HI 7004) or pH 10.01 (HI 7010) buffersolution. Note: For accurate readings, use pH 4.01 if you are going to measure acid samplesor pH 10.01 for alkaline measurements. Shake briefly and wait one minut...

Page 19 - pH DIAGNOSTIC TESTS; Follow the procedure described below.; pH VALUES AT VARIOUS; TEMP

37 36£ 36 pH DIAGNOSTIC TESTS HI 8510, HI 8710 and HI 8711 are providedwith autodiagnostic functions that allow tocheck and troubleshoot any malfunctioning. The functions are made via front panel keysto isolate the cause of malfunction whether itis due to pH electrode contamination, internaloffset c...

Page 20 - ORP DIAGNOSTIC TESTS; B) Internal Offset Circuit Test

39 38£ 38 ORP DIAGNOSTIC TESTS HI 8512 and HI 8720 are ORP controllersprovided with autodiagnostic functions thata l l o w t o c h e c k a n d t r o u b l e s h o o t a n ymalfunctioning.The functions are made via front panel keysto isolate the cause of malfunction. F o r H I 8 7 2 0 o n l y , p r e...

Page 22 - ELECTRODE MAINTENANCE; PREPARATION

43 42£ 42 ELECTRODE MAINTENANCE PREPARATION Remove the protective cap.DO NOT BE ALARMED IF ANY SALT DE-POSITS ARE PRESENT. This is normal withelectrodes and they will disappear when rinsedwith water.During transport tiny air bubbles may form in-side the glass bulb, and the electrode cannotfunction p...

Page 23 - Note: NEVER STORE THE ELECTRODE IN; DISTILLED WATER OR DRY.

45 44£ 44 PERIODIC MAINTENANCE Inspect electrode and cable. The cable usedfor the connection to the meter must be intactand there must be no points of broken insula-tion on the cable or cracks on the electrodestem or bulb.Connectors must be perfectly clean and dry.If any scratches or cracks are note...

Page 24 - SUGGESTED INSTALLATIONS; SHORT DISTANCE, INDOOR INSTALLATION; electrode, saving the cost of a; - Loss of shielding due to low electrolyte

47 46£ 46 SUGGESTED INSTALLATIONS SHORT DISTANCE, INDOOR INSTALLATION Due to the low current involved, a very highgrade of insulation is required.A dry environment is needed in order to ob-tain a insulation level not lower than 10 12 Ω . This type of connection is very delicate andrequires constant ...

Page 25 - ACCESSORIES

49 48£ 48 ACCESSORIES pH CALIBRATION SOLUTIONSHI 7004M pH 4.01 buffer solution, 230 mL HI 7004L pH 4.01 buffer solution, 500 mL HI 7006M pH 6.86 buffer solution, 230 mL HI 7006L pH 6.86 buffer solution, 500 mL HI 7007M pH 7.01 buffer solution, 230 mL HI 7007L pH 7.01 buffer solution, 500 mL HI 7009M...

Page 26 - pH ELECTRODES

51 50£ 50 HI 1115S HI 1135B/3 HI 1210T Screwcap PG13.5 connector,double junction, plastic body HI 1910B BNC connector, 1 m (3.3') cable,double junction, plastic body, built-in amplifier HI 1911B BNC connector, 1 m (3.3') cable,double junction, plastic body, built-in amplifier HI 1912B BNC connector,...

Page 28 - WARRANTY; OTHER ACCESSORIES; BL PUMPS; HANNA instruments reserves the right to modify; Recommendations for Users

55 54£ 54 WARRANTY All Hanna Instruments meters are warrantedfor two years against defects in workmanshipand materials when used for their intendedp u r p o s e a n d m a i n t a i n e d a c c o r d i n g t oinstructions. P r o b e s , e l e c t r o d e s a n d s e n s o r s a r ewarranted for a per...

Page 29 - SALES & TECHNICAL SERVICE

56£ 56 MANPROCR3 10/05 Australia: Tel. (03) 9769.0666 • Fax (03) 9769.0699 China: Tel. (10) 88570068 • Fax (10) 88570060 Egypt: Tel. & Fax (02) 2758.683 Germany: Tel. (07851) 9129-0 • Fax (07851) 9129-99 Greece: Tel. (210) 823.5192 • Fax (210) 884.0210 Indonesia: Tel. (21) 4584.2941 • Fax (21) 4...