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Hanna Instruments HI8931A, Инструкция по эксплуатации, Страница: 25 / 27

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49

48

OTHER ACCESSORIES:

HI 731326

Small calibration screwdriv-
ers (20 pcs)

HI 779/P

6-wire cable (100 m/330' roll)

HI 8733

Portable conductivity meter
with automatic temperature
compensation

MANCDPRCR2 Instruction Manual

CONDUCTIVITY PROBES:

HI7635

In-line conductivity probe, 3 m
(10') cable (for HI 8936 only)

HI 7638

Tank conductivity probe, 3 m
(10') cable (for HI 8936 or
HI 943500)

73mm

2.87"

52mm

2.04"

1" NPT

142mm

5.60"

Содержание HI8931A

Страница 1: ...struction Manual HI8931A B C D HI8936A B C D HI8936AL BL CL DL HI943500A B C D Conductivity Process Instrumentation This Instrument is in Compliance with the CE Directives W W W H A N N A I N S T C O...

Страница 2: ...ne applications the probe should be HI 7635 and for tanks HI 7638 with external threads These probes with built in NTC sen sor provide temperature compensated con ductivity measurements The probe cabl...

Страница 3: ...direct connection up to 20 m 67 without intermediate amplifi ers to the conductivity probe HI 7638 with 7 pin DIN connector and automatic tempera ture compensation Four models with different measureme...

Страница 4: ...vice 6 Power Supply 7 Fuse Holder Unplug the instrument from power supply before the replacement of the fuse THE REAR PANEL OF HI 8931A B C D 1 ALARM CONT Terminals for connec tion to an external alar...

Страница 5: ...w of the panel mounted unit These dimensions show the cutout size for the installation Side view of the panel mounted unit Adjustable location brackets supplied with the meter allow the indicator to s...

Страница 6: ...110mm 4 33 100mm 3 94 HI 8614 165mm 6 50 155mm 6 10 4 x 4 3mm 4 x 0 17 90mm 3 54 110mm 4 33 100mm 3 94 HI 8614L 165mm 6 50 155mm 6 10 90mm 3 54 4 x 4 3mm 4 x 0 17 126mm 5 00 45mm 1 77 24mm 0 94 58mm...

Страница 7: ...and pressure of up to 5 bar 72 5 psi This probe is supplied complete with a 7 pin DIN connector HI 7638 CONDUCTIVITY PROBES 73mm 2 87 52mm 2 04 1 NPT 142mm 5 60 HI 7635 In line Conductivity Probe HI...

Страница 8: ...ot included HI8936 B or BL not included HI8936 C or CL not included HI8936 D or DL not included HI7635 for in line applications or HI7638 for tank not included Manual 2 point through offset and slope...

Страница 9: ...and is proportional to the measured con ductivity value CONNECTIONS REAR CONNECTIONS FOR HI 8931 Power Connection Terminals 4 screw terminal strip for connection to a 3 wire power cable ac cording to...

Страница 10: ...labeled 20V and COM paying careful atten tion to polarity see also page 24 or if necessary in series with the receiving de vice The regulated D C supply required for the proper functioning of the cir...

Страница 11: ...to 20 mA depending on model and is propor tional to the mea sured conductivity value Set Select These contacts permit the activa tion of the Set Contact relay when the measured value is lower closed t...

Страница 12: ...3 probe pin 3 4 probe pin 4 5 NTC 6 SENSOR Note NTC and SENSOR are equivalent and are both labeled SENSOR on the HI8936 conductivity transmitter Set Dosing pumps or other control equipment may be conn...

Страница 13: ...When screwing on the joints take care not to overtighten as excessive pressures can cause the probe to be damaged The conductivity probe HI7635 is supplied with a 3m 10 length of cable The six INITIA...

Страница 14: ...he HI8936 process conduc tivity transmitter as shown The connections are color coded for an easy installation See page 23 for the proper connection scheme It is recommended that the HI 7635 is in stal...

Страница 15: ...nductivitytransmit ters with LCD will always displaythemeasurement value when connected to the HI8931 controllers or a power supply is lower than the set point value and the SET ON LED will be lit Bel...

Страница 16: ...ns ON OFF HI 8733 199 9 mS 19 99 mS 1999 S 199 9 S 2 5 2 1 5 1 0 5 0 TEMPERATURE COEFFICIENT S C CALIBRATION PROCEDURE OF HI8931 HI8936 WITH HI7635 Material Needed HI7635 conductivity probe HI 8931 co...

Страница 17: ...e an ammeter Follow the above calibration procedure performing the operations referred to the HI8936 transmitter only value obtained will be used for the trans mitter and controller calibration The re...

Страница 18: ...ansmitter An ammeter for transmitters without LCD Calibration solutions according to the dif ferent models HI7034 80 mS cm 25 C for HI8931A HI8936A AL HI7030 12 88 mS cm 25 C for HI8931B HI8936B BL HI...

Страница 19: ...CL HI 8936DL does not require any amme ter Follow the above calibration procedure performing the operations referred to the HI8936 transmitter only Pour enough conductivity solution into a plastic bea...

Страница 20: ...is a temperature difference of 5 C 9 F or more for the ATC circuitry to compensate com pletely When the reading stabilizes turn the SLOPE trimmer on the front of the HI943500 until the LCD reading is...

Страница 21: ...80 6 13370 1467 87 83000 115700 5190 28 82 4 13620 1494 89 84900 117700 5286 29 84 2 13870 1521 90 86300 119700 5383 30 86 14120 1548 92 88200 121800 5479 31 87 8 14370 1575 94 90000 123900 5575 If yo...

Страница 22: ...usted DIAGNOSTIC TESTS The HI8931 and HI943500 controllers are designed with built in diagnostic functions to enable the user to check and troubleshoot the instrument Thechecksperformedarethrough the...

Страница 23: ...45 44 Example 3 Example 4 Example 5 INSTALLATION EXAMPLES Some typical installation setups are depicted in the following examples Example 1 Example 2...

Страница 24: ...s of re calibration However it is recommended that the process conductivity probe be removed from the sys tem regularly for maintenance For HI7635 only Deposits on the conductivity probecanberemovedby...

Страница 25: ...30 roll HI8733 Portable conductivity meter with automatic temperature compensation MANCDPRCR2 Instruction Manual CONDUCTIVITY PROBES HI7635 In line conductivity probe 3 m 10 cable for HI 8936 only HI7...

Страница 26: ...are reserved Reproduction in whole or in part is prohibited without the written consent of the copyright owner WARRANTY Hanna Instruments reserves the right to modify the design construction and ap pe...

Страница 27: ...MANCDPRCR2 04 98 PRINTED IN PORTUGAL h t t p w w w h a n n a i n s t c o m...

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