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Hanna HI991003 Waterproof pH/ORP/Temp Meter with Sensor Check Portable pH/ORP Meter Hanna Instruments

Hanna HI991003 Waterproof pH/ORP/Temp Meter with Sensor Check

$724.99

Unlock precise pH, ORP, and temperature measurements with the Hanna HI991003 waterproof portable meter, expertly designed for manufacturing and environmental applications. Its rugged titanium probe integrates a temperature sensor and unique Sensor Check feature, ensuring unparalleled accuracy and reliability in every reading. Get started immediately with the included solutions and batteries, making it the ideal all-in-one solution for demanding testing environments.

Achieve highly accurate results with ±0.02 pH and ±1 mV ORP accuracy.
Ready to use right out of the box with all necessary solutions and batteries included.
Features a durable titanium body probe with integrated temperature sensor and Sensor Check.

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Fast Delivery

Most items ship same day

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Manufacturer Warranty

All products are covered by manufacturer warranty

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After-Sale Support

24/7 support

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Hanna Instruments HI991003 Waterproof Portable pH/ORP/Temperature Meter

Confident Probe Status at a Glance

Know your pH/ORP probe is performing optimally with the integrated on-screen status indicator, providing assurance for every critical measurement.

Extended Battery Life for Continuous Use

Power through extensive testing sessions with up to 1400 hours of battery life from the included robust cells. Stay informed with a low battery warning, and prevent inaccurate readings with automatic shut-off when power is critically low.

Smart Power Management for Efficiency

Optimize battery usage and enhance safety with a customizable automatic shut-off feature. Choose from 8 or 60-minute inactivity settings, or disable it entirely for uninterrupted long-term monitoring.

Engineered for Lasting Durability

Built to endure demanding conditions, the HI991003 boasts a rugged IP67 waterproof enclosure. This design provides exceptional defense against dust and water ingress, ensuring reliable performance in diverse environments.

Ergonomic Design for Effortless Operation

Designed for comfortable handheld use, this portable meter features a clear, multi-angle LCD display, providing simultaneous pH, ORP, and temperature readings. The intuitive two-button interface simplifies operation for users of any skill level.

Secure and Rapid Probe Connection

The Quick Connect DIN connector ensures swift and secure attachment and detachment of the specialized pH/ORP probe. Its protective rubber boot creates a reliable, waterproof seal without twisting, enhancing probe lifespan and user convenience.

Hanna Instruments HI991003 Quick Connect Probe

Hanna Instruments HI12973 pH/ORP/Temperature Probe

Ensure precise pH and ORP analysis across diverse manufacturing and environmental testing with the HI991003's specialized HI12973 probe, meticulously engineered for accurate and reliable measurements.

Dedicated Probe for Versatile Measurement

The HI991003 includes the replaceable HI12973 combination probe, expertly designed for direct and accurate pH and ORP measurements in a wide array of applications.

Robust Titanium Body for Enhanced Protection

The probe's titanium body offers exceptional protection to the pH electrode, making it ideal for use in challenging environments such as plating baths. It also functions as a matching pin to mitigate electrical interference.

High-Performance Platinum ORP Sensor

The platinum ORP sensor ensures optimal response and accurate readings across a broad spectrum of applications.

Renewable Cloth Junction for Extended Probe Life

Maintain optimal performance by simply extracting a small portion of the cloth junction to expose a fresh, uncontaminated surface, ensuring consistent and reliable readings.

Hanna Instruments HI991003 Accessories Kit

The HI991003 portable pH/ORP meter kit provides everything necessary for immediate and accurate testing, right out of the box.

Electrode Cleaning Solution for Optimal Maintenance

Included general electrode cleaning solution is specifically formulated to prevent debris and build-up, ensuring your probe remains in optimal condition for accurate and reliable measurements.

Reliable pH Buffer Sachets for Calibration

Ensure accurate pH calibrations with the provided starter sachets of pH 4 and pH 7 buffer solutions. These single-use sachets guarantee fresh, uncontaminated standards for dependable calibration every time.

Hanna Instruments HI991003 Probe Connectors

HI991003 Models and Compatible Accessories

Original HI991003 (Left)

Uses the HI1297D pH probe with DIN Connector
Compatible with the HI710023 Shockproof Boot

New HI991003 (Right)

Uses the HI12973 pH probe with Quick DIN Connector
Compatible with the HI710028 Shockproof Boot

*Note: The new Quick DIN probe connection is compatible with the old body design, however, the old DIN probe connections are not compatible with the new body design.

Specification	Detail
sku	HI991003
pH Range	-2.00 to 16.00 pH / -2.0 to 16.0 pH
pH Resolution	0.01 pH / 0.1 pH
pH Accuracy @ 25°C / 77°F	±0.02 pH / ±0.1 pH
pH Calibration	Automatic, 1 or 2 point selectable buffer set Standard: 4.01 7.01 10.01 or NIST: 4.01 6.86 9.21
mV Range	±825 mV (pH-mV)
mV Resolution	4 mV
mV Accuracy	±1 mV (pH-mV)
Temperature Range	-5.0 to 105.0 °C/23.0 to 221.0 °F
Temperature Resolution	0.1 °C/0.1 °F
Temperature Accuracy @ 25°C / 77°F	±0.5 °C up to 60 °C ±1.0 °C outside ±1.0 °F up to 140 °F ±2.0 °F outside
Temperature Compensation	Automatic -5.0 to 105.0 °C/23.0 to 221.0 °F
Power Supply	1.5V AAA batteries (3 pcs.)
Power Consumption	approx. 1400 hours of continuous use
Environment	0 to 50°C (32 to 122°F) RH max 100%
Dimensions	154 x 63 x 30 mm (6.1 x 2.5 x 1.2in.)
Weight	199 g (6.91 oz.) with batteries
Ordering Information	Each meter is supplied complete with: • HI12973 pH/ORP/temperature probe with titanium body and DIN connector with 1m (3.3') cable • pH 4.01 & 7.01 Buffer sachet • HI700601 Electrode general cleaning solution (2 sachets) • 100 mL beaker (1 pcs.) • Alkaline batteries: 1.5V AAA (3 pcs.) • Rugged carrying case • Calibration certificate of meter • Calibration certificate of probe • Instruction manual
Warranty	2 years
Recommended Probe	HI12973 pH/ORP/temperature probe with titanium body and DIN connector with 1m (3.3') cable (included)

Shipping, Return, and Warranty Policy

At Blue Tiger Scientific, we are proud to distribute authentic Hanna Instruments products. The following policies apply to all purchases made through our store.

Shipping Policy

All orders are shipped via FedEx from Hanna Instruments' fulfillment center in Smithfield, Rhode Island.
FedEx Ground is the standard method; expedited options (2-Day, Overnight) are available for an additional cost.
Hanna Instruments only ships to residential or business addresses within the United States (no PO Boxes).
Orders placed after business hours, weekends, or holidays will ship the next business day, pending product and carrier availability.
Shipping timelines may vary depending on product availability, order size, and carrier logistics.
Blue Tiger Scientific and Hanna Instruments are not responsible for carrier delays, weather-related disruptions, or other unforeseen delivery issues once the order has shipped.

Return Policy

All return requests must be coordinated directly with Blue Tiger Scientific before a product is sent back.
Products must have a Return Merchandise Authorization (RMA) number issued by Blue Tiger Scientific before being returned.
Products must be returned in new or like-new condition, with the original packaging and proof of purchase (such as an invoice or packing slip).
Customers are responsible for return shipping costs unless otherwise stated.
Unauthorized returns (without an RMA) will be refused and returned at the customer's expense.
Returns are subject to inspection and approval. Products not in acceptable condition may be denied credit.
Some products, such as custom-built, special order, and hazardous materials, may not be eligible for return.

Warranty Policy

Hanna Instruments' products are covered by their Limited Warranty against defects in materials and workmanship under normal use.
All warranty claims and services are handled directly by Hanna Instruments.
Warranty periods vary by product. If unspecified, the standard warranty term is 18 months from the Hanna Instruments factory ship date.
If you experience an issue believed to be covered under warranty, please contact Hanna Instruments for guidance on how to submit your warranty request to Hanna Instruments.
Customers must follow Hanna Instruments' warranty submission process, including providing a claim number, product model and serial number, and a detailed description of the issue.
Hanna Instruments will determine whether products are repaired, replaced, or otherwise serviced under warranty.
Note: Warranty coverage does not apply to damage caused by misuse, accidents, unauthorized repairs, or improper storage and handling.

Important Notes

Some Hanna Instruments products are custom-made or built to order. Shipping will occur once the product is ready.
In the event of backorders, you may request partial shipments.
Delays beyond our control (e.g., material shortages, import delays, or carrier issues) may occasionally occur.

HI991003 pH/ORP/Temperature Meter Instruction Manual

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