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Fluoride Low Range

Preliminary examination:

Please examine this product carefully. Make sure that the instrument is not damaged. If
any damage occurred during shipment, please notify your Dealer.
Each 

HI 729

 meter is supplied complete with:

• Two Sample Cuvettes and Caps
• One bottle of Fluoride Low Range Reagent
• 1 mL syringe with tip
• 1 x 1.5V AAA Battery
• Instruction Manual

HI 729

Functional description:

Errors and warnings:

Light High:

 There is too much light to perform a measurement.

Please check the preparation of the zero cuvette.

Light Low:

 There is not enough light to perform a measurement.

Please check the preparation of the zero cuvette.

Inverted Cuvettes:

 The sample and the zero cuvette are inverted.

Under Range:

 A blinking 

“0.00”

 indicates that the sample absorbs

more light than the zero reference. Check the procedure and make
sure that the sample and zero cuvette are not inverted.

Over Range:

 A flashing value of the maximum concentration indicates

the reading is over range. Dilute the sample and re-run the test.

Battery Low:

 The battery must be replaced soon.

Dead Battery:

 This indicates that the battery is dead and must be

replaced. Once this indication is displayed, normal operation of the
instrument will be interrupted. Change the battery and restart the
meter.

1. Dust cover.

2. Cuvette with cap.

3. Cuvette holder.

4. Liquid Crystal Display.

5. Button.

For more details about spare parts and accessories
see “Accessories”.

w w w . h a n n a i n s t . c o m

Technical specifications:

Range

0.00 to 2.00 ppm

Resolution

0.01 ppm

Accuracy

±0.10 ppm ±5 % of reading @ 25 °C / 77 °F

Light Source

Light Emitting Diode @ 575 nm

Light Detector

Silicon Photocell

Method

Adaptation of the 

Standard Methods for the Examination

of Water and Wastewater, 18

th

 edition, SPADNS method.

Environment

0 to 50 °C (32 to 122 °F);
max 95% RH non-condensing

Battery Type

1 x 1.5V AAA

Auto-Shut off

After 2 minutes of non-use

Dimensions

81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)

Weight

64 g (2.25 oz.)

Dear Customer,
Thank you for choosing a Hanna Instruments Product.
Please read this instruction manual carefully before using the instrument. If you need
additional technical information, do not hesitate to e-mail us at [email protected]
or view our worldwide contact list at www.hannainst.com.

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