Instruction Manual
HI 98121
Waterproof pH / ORP &
Temperature Meter
Dear Customer,
Thank you for choosing a Hanna product. This manual will provide you with the necessary informa- tion for correct operation. Please read it carefully before using the meter.
If you need additional technical information, do not hesitate to
This instrument is in compliance with the direc- tives.
FUNCTIONAL DESCRIPTION
CE DECLARATION OF CONFORMITY
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w w w . h a n n a i n s t . c o m | Compliance with | |||||||
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PRELIMINARY EXAMINATION
Remove the instrument from the packing material and examine it carefully. If any damage has occurred during shipment, immediately notify your Dealer or the nearest Hanna Customer Service Center.
Each meter is supplied with:
•HI 73127 pH electrode
•HI 73128 Electrode removal tool
•4 x 1.5V batteries
Note: Conserve all packing material until the instru- ment has been observed to function correctly. Any defective item must be returned in its original packing.
Recommendations for Users
Before using this product, make sure that it is entirely suitable for the environment in which it is used.
The glass bulb at the end of the electrode is sensitive to electrostatic discharges. Avoid touching the glass bulb and the ORP electrode at all times.
Any variation introduced by the user to the supplied equip- ment may degrade the instrument’s EMC performance. To avoid electrical shock, do not use this instrument
WARRANTY
HI 98121 is warranted for one year against defects in workmanship and materials when used for its intended purpose and maintained according to in- structions. The electrode is warranted for a period of six months. 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 re- turned 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.
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.
Hanna Instruments reserves the right to modify the design, con- struction and appearance of its products without advance notice.
US DESIGN PATENT
D462,024
GENERAL DESCRIPTION
HI 98121 is a waterproof pH, ORP and temperature meter. The housing has been completely sealed against humidity and designed to float.
All pH readings are automatically temperature com- pensated (ATC), and temperature values can be displayed in °C or °F units.
The meter can be calibrated at one or two points for pH (with
Measurements are highly accurate with a unique stability indicator right on the LCD.
This meter is also provided with battery level indication at
The HI 73127 pH electrode, supplied with the meter, is interchangeable and can be easily replaced by the user. The stainless steel encapsulated temperature sensor facilitates faster and more accurate temperature mea- surement and compensation.
1.Battery compartment
2.Liquid Crystal Display (LCD)
3.ON/OFF/MODE button
4.HI 73127 pH electrode
5.Temperature sensor (behind)
6.ORP electrode
7.SET/HOLD button
1.Automatic Temperature Compensation Indicator
2.Stability indicator
3.Battery life percentage indicator
4.Low battery indicator
5.Secondary display
6.Primary display
7.Measuring unit for primary display
when voltages at the measurement surface exceed 24 VAC or 60 VDC. To avoid damages or burns, do not perform any measurement in microwave ovens.
ACCESSORIES
HI 73127 Replaceable pH electrode HI 73128 Electrode removal tool
HI 70004P pH 4.01 solution, 20 mL sachet (25 pcs) HI 70006P pH 6.86 solution, 20 mL sachet (25 pcs) HI 70007P pH 7.01 solution, 20 mL sachet (25 pcs) HI 70009P pH 9.18 solution, 20 mL sachet (25 pcs) HI 70010P pH 10.01 solution, 20 mL sachet (25 pcs) HI 7004M pH 4.01 solution, 230 mL bottle
HI 7006M pH 6.86 solution, 230 mL bottle HI 7007M pH 7.01 solution, 230 mL bottle HI 7009M pH 9.18 solution, 230 mL bottle HI 7010M pH 10.01 solution, 230 mL bottle
HI 7021M ORP test solution (240 mV), 230 mL bottle HI 7022M ORP test solution (470 mV), 230 mL bottle HI 7061M Electrode cleaning solution, 230 mL bottle HI 70300M Electrode storage solution, 230 mL bottle HI 7091M Pretreatment reducing solution, 230 mL HI 7092M Pretreatment oxidizing solution, 230 mL
ISTR98121 03/03