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Overview

These lightweight and compact units offer IP 67 waterproof protection in a compact casing. The electrode has a built-in temperature sensor and amplifier, to safe guard your measurements to noise and electrical interference. The HA-991001 reads pH and temperature. HA-991003 is the first pH meter that can measure pH, pH-mV (to check the electrode status), ORP and temperature with only one probe. 

HA-991001, and HA-991003 include HA-1296D pH electrode (HA-991001) or HA-1297D ( HA-991003), and internal temperature sensor, pH 4 and pH 7 buffer sachets, HA-700661 electrode cleaning solution (2 x 20 ml), 3 x 1.5 V "AA" batteries, rugged carrying case and instructions.

Compare models

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Part NumberModelDimensionsCapacitypH RangepH - mV RangeORPTemperatureCalibration (pH)Temp. Compensation
HA-991001Waterproof pH/Temperature Meter5.9" x 3.1" x 1.4"7.4 oz-2.00 to 16.00 pH---5.0 to 105.0°C, ± 0.5°C accuracyAutomatic, at 1 or 2 points with 2 sets of memorized buffersAutomatic; -5 to 105°C, for pH readings
HA-991003Waterproof pH/pH-mV/ORP/Temperature Meter5.9" x 3.1" x 1.4"7.4 oz-2.00 to 16.00 pH± 825 mV± 1999 mV-5.0 to 105.0°C, ± 0.5°C accuracyAutomatic, at 1 or 2 points with 2 sets of memorized buffersAutomatic; -5 to 105°C, for pH readings

Documents

In-house service

Calibration and repair

Send it to our Montreal service team. We evaluate the instrument and send a detailed quote before any work starts.

Start a service request

Questions, answered

How fast will I get a price?

Send the quote request and a specialist replies within 4 business hours, Monday to Friday, 8:00 to 4:30 ET.

Can we pay on account or by purchase order?

Yes. With established credit, terms are Net 30 days, and you can send your purchase order with the quote request. We also accept Visa, Mastercard and American Express.

How is shipping charged?

On quotes and account orders, freight is F.O.B. Montréal: the carrier charge is worked out at shipment from the packed weight and dimensions, and added to your invoice. In-stock items can also be picked up the same day in Montréal (8605 rue du Champ-d'Eau).

Can I return it?

Yes, within 30 days of purchase, with a return authorization number from customer service first. A 25% restocking fee applies, unless it is a defect covered by the warranty. Special orders, hazardous materials, flammable liquids and gases can't be returned. Return policy

Can ERE calibrate or repair it?

Yes. Our Montréal service shop calibrates and repairs it in-house. Request service

Since 1994Supplying labs and field crews
30,000+Customers across North America
AuthorizedBrand distributor
4 hrTypical quote turnaround