Hanna Instruments HI 8711 User Manual

Instruction Manual
HI 8510-HI 8512
HI 8710-HI 8711
HI 8720-HI 931500
HI931501-HI932500
Panel - Mounted
ORP - pH Indicators
and Controllers
SLOPE
DOSAGE
OXID.
REDUC.
∆AL
COARSE
SET
FINE
∆AL
MEA
SURE
SET
0 mV
TEST
500 mV
TEST
HI 8720E
ORP
mV
http://www.hannainst.com
These Instruments are in Compliance with the CE Directives

Hanna Instruments HI 8711 Specifications

General

Brand	Hanna Instruments
Model	HI 8711
Category	Controller
Language	English

Summary

Preliminary Examination

General Description of pH-ORP Indicators

Mechanical Dimensions for Panel Mount Units

Functional Description HI 8510

HI 8510 Keypad Functions

Describes the functions of the front panel keys for the HI 8510.

HI 8510 Trimmer Functions

Explains the purpose of the calibration trimmers for the HI 8510.

Rear Panel Connections HI 8510E

Rear Panel Connections HI 8510T

Functional Description HI 8512

HI 8512 Keypad Functions

Describes the functions of the front panel keys for the HI 8512.

HI 8512 Trimmer Functions

Explains the purpose of the calibration trimmers for the HI 8512.

Rear Panel Connections HI 8512E

Rear Panel Connections HI 8512T

Functional Description HI 8710

HI 8710 Keypad Functions

Describes the functions of the front panel keys for the HI 8710.

HI 8710 Trimmer Functions

Explains the purpose of the calibration and alarm trimmers for the HI 8710.

HI 8710 Trimmers and Leds

HI 8710 Trimmer Details

Details calibration and alarm adjustment trimmers for the HI 8710.

HI 8710 LED Indicators

Explains the meaning of LED indicators for the HI 8710.

Rear Panel Connections HI 8710E

Rear Panel Connections HI 8710T

Functional Description HI 8711

HI 8711 Keypad Functions

Describes the functions of the front panel keys for the HI 8711.

HI 8711 Trimmer Functions

Explains the purpose of calibration, slope, and set point trimmers for the HI 8711.

HI 8711 Trimmers and Leds

HI 8711 Trimmer Details

Explains calibration, slope, and set point adjustment trimmers for the HI 8711.

HI 8711 LED Indicators

Explains the meaning of LED indicators for the HI 8711.

Rear Panel Connections HI 8711E

Rear Panel Connections HI 8711T

Functional Description HI 8720

HI 8720 Keypad Functions

Describes the functions of the front panel keys for the HI 8720.

HI 8720 Trimmer Functions

Explains the purpose of calibration and alarm trimmers for the HI 8720.

HI 8720 Trimmers and Leds

HI 8720 Trimmer Details

Explains calibration and set point adjustment trimmers for the HI 8720.

HI 8720 LED Indicators

Explains the meaning of LED indicators for the HI 8720.

Rear Panel Connections HI 8720E

Rear Panel Connections HI 8720T

Functional Description HI 931500

HI 931500 Keypad Functions

Describes the functions of the front panel keys for the HI 931500.

HI 931500 Trimmer Functions

Explains calibration and set point trimmers for the HI 931500.

Rear Panel Connections HI 931500

Functional Description HI 931501

HI 931501 Keypad Functions

Describes the functions of the front panel keys for the HI 931501.

HI 931501 Trimmer Functions

Explains calibration and set point trimmers for the HI 931501.

HI 931501 Trimmers and Leds

HI 931501 Trimmer Details

Explains calibration and set point adjustment trimmers for the HI 931501.

HI 931501 LED Indicators

Explains the meaning of LED indicators for the HI 931501.

Rear Panel Connections HI 931501

Functional Description HI 932500

HI 932500 Keypad Functions

Describes the functions of the front panel keys for the HI 932500.

HI 932500 Trimmer Functions

Explains calibration and set point trimmers for the HI 932500.

Rear Panel Connections HI 932500

Specifications HI 8510

Specifications HI 8512

Specifications HI 8710

Specifications HI 8711

Specifications HI 8720

Specifications HI 931500

Specifications HI 931501

Specifications HI 932500

Initial Preparation Guide

Operational Guide: Setting Parameters

Setting pH/ORP Set Points

How to set the working point for pH or ORP dosage using SET and trimmer controls.

Operational Guide: Base Dosage and Alarms

Setting Base Dosage

How to set the working point for base dosage using BASE SET and trimmer controls.

Setting Alarm Tolerance

How to set the alarm tolerance using the AAL key and trimmer.

Taking Measurements

pH CALIBRATION Procedure

ORP CALIBRATION Procedure

pH Values at Various Temperatures

pH DIAGNOSTIC TESTS

pH Sensor Test

Test to verify the mV response of the pH electrode using a buffer solution.

pH Internal Circuit Tests

Internal Offset Circuit Test

Verifies the internal circuit in terms of offset compensation using pH 7 TEST.

Amplifier Circuit Test

Verifies the amplifier circuit of the meter using pH 4 TEST.

ORP DIAGNOSTIC TESTS

ORP 0 mV Test

Verifies instrument calibration at point 0 mV using the 0 mV TEST key.

ORP 500 mV Test

Verifies the slope at point 500 mV using the 500 mV TEST key.

LED Indication Guide

Taking Redox Measurements

Electrode Conditioning and Maintenance

Electrode Preparation

Initial steps for preparing electrodes, including removing protective caps and handling salt deposits.

Periodic Maintenance and Cleaning

Periodic Electrode Maintenance

Instructions for inspecting electrodes, cables, and connectors, and refilling electrodes.

Electrode Cleaning Procedures

Specific solutions and methods for cleaning electrodes based on contamination type.

Troubleshooting Electrode Issues

Electrode Performance Troubleshooting

Addresses issues like noise, clogged junctions, dry membranes, drifting, and slope problems.

Suggested Installations

Short Distance Indoor Installation

Guidelines for indoor installations up to 10 meters with conventional electrodes.

Medium Distance Installation Guidelines

Long Distance Installation Guidelines

Available Accessories

pH Electrodes Overview

ORP Electrodes Overview

Product Warranty Information

CE Declaration of Conformity