Hanna-instruments HI 93707 Bedienungsanleitung PDF herunterladen

Instruction Manual

HI 93707

Nitrite Low Range ISM

HANNA instruments® reserves the right to modify the design,

construction and appearance of its products without advance notice.

HI 93707 is warranted for two years against defects in

workmanship and materials when used for its intended purpose and

maintained according to instructions.

This warranty is limited to repair or replacement free of charge.

Damages due to accident, misuse, tampering or lack of prescribed

maintenance are not covered.

If service is required, contact the dealer from whom you purchased

the instrument. If under warranty, report the model number, date of

purchase, serial number and the nature of the failure. If the repair

is not covered by the warranty, you will be notified of the charges

incurred. If the instrument is to be returned to Hanna Instruments,

first obtain a Returned Goods Authorization Number from the

Customer Service department and then send it with shipment costs

prepaid. When shipping any instrument, make sure it is properly

packaged for complete protection.

To validate your warranty, fill out and return the enclosed warranty

card within 14 days from the date of purchase.

All rights are reserved. Reproduction in whole or in part is prohibited

without the written consent of the copyright owner, Hanna Instruments

Inc., Woonsocket, Rhode Island, 02895 , USA.

Dear Customer,

Thank you for choosing a Hanna product. This manual will

provide you with the necessary information for the correct

operation of the meter. Please read it carefully before using

the meter. If you need additional technical information, do

not hesitate to e-mail us at [email protected].

This instrument is in compliance with directives.

Remove the instrument from the packing material and examine

it carefully to make sure that no damage has occurred during

shipment. If there is any damage, notify your Dealer.

Each Ion Specific Meter is supplied complete with

• 9V Battery

• Two Sample Cuvets and Caps

• One Transport Cap

Note: Conserve all packing material until the instrument has

been observed to function correctly. Any defective item

must be returned in its original packing.

The HI 93707 meter measures the nitrite nitrogen (NO

––

–

-N)

content in water and wastewater in the 0.00 to 0.35 mg/L

(ppm) range.

The meter uses an exclusive positive-locking system to ensure

that the cuvet is in the same place every time it is placed into

the measurement cell.

The reagent is in powder form and is supplied in packets. The

amount of reagent is precisely dosed to ensure maximum

repeatability.

Display codes aid the user in routine operations.

The meters have an auto-shut off feature that will turn the

instrument off after 10 minutes of non-use.

SPECIFICATIONS

Range 0.00 to 0.35 mg/L

Resolution 0.01 mg/L

Accuracy ±0.02 mg/L ±4% of reading

Typical EMC ±0.01 mg/L

Deviation

Light Source Light Emitting Diode @ 470 nm

Method Adaptation of the EPA method 354.1.

The reaction between nitrite and the

reagent causes a pink tint in the sample

Light Detector Silicon Photocell

Environment 0 to 50°C (32 to 122°F);

max 95% RH non-condensing

Battery Type/Life 1 x 9 volt/40 hours

Auto-Shut off After 10' of non-use

Dimensions 180 x 83 x 46 mm

(7.1 x 3.3 x 1.8")

Weight 290 g (10 oz.).

REQUIRED REAGENTS

Code Description Quantity

HI 93707-0 Nitrite LR Reagent 1 packet

REAGENT SETS

HI 93707-01 Reagents for 100 tests

HI 93707-03 Reagents for 300 tests

IST93707R2 01/07

Warranty

Preliminary Examination

General Description

Specifications Display Code Guide

This Instrument is in

Compliance with the CE Directives

www.hannainst.com

This indicates that the meter is in a

ready state and zeroing can be

performed.

Sampling in Progress. This prompt

appears each time the meter is

performing a measurement.

This indicates that the meter is in a

zeroed state and measurement can be

performed.

A zero reading was not taken. Insert a

sample before adding reagent and

press ZERO.

Under range. A blinking "0.00"

indicates that the sample absorbs less

light than the zero reference. Check

the procedure and make sure you use

the same cuvet for reference (zero) and

measurement.

Over range. A flashing value higher

than the maximum concentration

readable (see specifications) indicates

that the sample absorbs too much light,

meaning that the concentration is too

high. Dilute the sample.

Light over range. The cuvet is not

inserted correctly and an excess ambient

light is reaching the detector. If the

cover is properly installed, then contact

your dealer or the nearest Hanna

Customer Service Center.

Light under range. The zero sample is

too dark for proper zeroing. If this is

not the case, contact your dealer or the

nearest Hanna Customer Service

Center.

The "V" indicates that the battery

voltage is getting low and the battery

needs to be replaced.

This indicates that the battery is dead

and must be replaced.

Note: once this indication is displayed,

the meter will lockup. Change the

battery to restart.

1 2

Inhaltsverzeichnis

Seite 1 - Nitrite Low Range ISM

Instruction ManualHI 93707Nitrite Low Range ISMHANNA instruments® reserves the right to modify the design,construction and appearance of its products

Seite 2 - Battery Replacement

ONOFFMEASUREMENT PROCEDURE• Turn the meter on bypressing ON/OFF.• When the LCD displays“- - -”, it is ready.• Fill the cuvet up to 1.5 cm(¾”) below th

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