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Hanna HI97725 Chlorine, Cyanuric Acid & pH Photometer Portable Photometer Hanna Instruments
Hanna HI97725 Chlorine, Cyanuric Acid & pH Photometer Portable Photometer Hanna Instruments

Hanna HI97725 Chlorine, Cyanuric Acid & pH Photometer

$634.99

    Unlock precision water testing with the HI97725 portable photometer from Hanna Instruments. Designed for chlorine, cyanuric acid, and pH measurement, this advanced meter delivers fast, accurate results thanks to a high-performance optical system with CAL Check™ verification and zero warm-up time—ideal for pool maintenance, water treatment, and environmental monitoring.

    • Measures chlorine, cyanuric acid & pH with lab-grade accuracy

    • Features CAL Check™ system and tutorial mode for reliable operation

    • Compact, battery-powered design—ready for immediate testing

    *Products classified as Dangerous Goods can only be shipped via ground.

See All Specs

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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

What's Included

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VR Headset

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2 Touch Controllers

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Charging Cable

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Power Adapter

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Glasses Spacer

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Hanna HI97725 Photometer Interface with Display

Interactive Guidance for Streamlined Testing

Let your HI97725 photometer lead the way. With built-in tutorial prompts and intuitive animations, every step of setup, calibration, and measurement becomes seamless. At any stage, simply press the dedicated help key to enter Tutorial Mode and receive immediate on-screen support.

Smart Power Management

Save battery and prevent errors with intelligent shutdown features. The meter conserves energy with auto-off functionality and actively protects data integrity. A blinking warning appears when battery life dips below 10%, and the unit will automatically power down when levels drop too low to ensure accurate readings are never compromised.

Integrated Data Logging for Confidence

Never lose track of your measurements. The HI97725 automatically stores your last 50 test results, allowing you to instantly review trends and outcomes using the convenient Log Recall Menu.

CAL Check™ for Reliable Results

Stay confident in your photometer’s performance. Hanna’s exclusive CAL Check™ validation system ensures your HI97725 remains within specification. Just insert the certified CAL Check™ standards, follow the guided prompts, and recalibrate if necessary to maintain trusted accuracy.

Precision Optical System

Engineered for enhanced measurement accuracy. The HI97725 uses a high-intensity LED light source and a narrow band interference filter to deliver exceptionally repeatable and precise results with minimal power consumption.

Built to Handle Real-World Demands

Rugged, waterproof, and ready for the field. With an IP67-rated enclosure and sealed internal optics, the HI97725 resists dirt, dust, and water intrusion. The instrument even floats, and a locking cuvette system ensures repeatable placement for consistent readings every time.

Compact, Portable, and Field-Ready

Designed for flexibility in the lab or on the go. The ergonomic build fits comfortably in your hand or rests securely on a benchtop. A bright, backlit LCD offers easy viewing in low-light conditions, while three AA batteries power the meter for more than 800 tests.

Your HI97725 Photometer (Meter Only) includes essential accessories to get started with chlorine, pH, and cyanuric acid testing:

  • Sample cuvette (2 pcs.)
  • Sample cap (2 pcs.)
  • Plastic stopper (2 pcs.)
  • Alkaline batteries: 1.5V AA (3 pcs.)
  • Instruction manual
  • Meter quality certificate

Upgrade to the HI97725C Kit to receive Hanna's CAL Check™ validation standards and extended accessories for complete testing performance:

  • Sample cuvette (2 pcs.)
  • Sample cap (2 pcs.)
  • Plastic stopper (2 pcs.)
  • A ZERO – CAL Check™ Cuvette A
  • HI97701B – CAL Check™ Cuvette B for Free & Total Chlorine
  • HI97710B – CAL Check™ Cuvette B for pH
  • HI97722B – CAL Check™ Cuvette B for Cyanuric Acid
  • Cloth for wiping cuvettes
  • Scissors
  • Alkaline batteries: 1.5V AA (3 pcs.)
  • Instruction manual
  • Meter quality certificate
  • CAL Check™ standard certificate

    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.
    HI97725 Chlorine, Cyanuric Acid & pH Photometer Manual
    Download
    Manual

Product Resources:

Manual Manual
Brochure Brochure

Copy of Technical Specifications

FeatureDetails
Viewing Head Siedentopf type trinocular head, inclined at 30°, Interpupillary adjustment 53mm to 75mm, graduated diopter on left eyetube (30mm I.D. eyetubes)
Eyepieces SWH10X Widefield high eyepoint eyepiece, Field No. 22, tube O.D. 30.0 mm
Nosepiece Quintuple
Quintuple LWD Planachromat Phase 10x, 20x
Condenser TC Condenser N.A. 0.30, W.D. 73.0mm
Stage180mm(X) x 245mm(Y) plain stage with replaceable glass insert with 45mm opening, Glass Stage plate insert
IlluminationKoehler without iris, with phase slider, 3W LED
WarrantyLIMITED LIFETIME WARRANTY

Questions about a product? Ask us here.

email us here: info@bluetigerscientific.com or live chat

Hanna HI97725 Chlorine, Cyanuric Acid & pH Photometer Portable Photometer Hanna Instruments
by Hanna Instruments

Hanna HI97725 Chlorine, Cyanuric Acid & pH Photometer

Kit?: Kit
Authorized Dealer
Hanna HI97725 Photometer Interface with Display

Interactive Guidance for Streamlined Testing

Let your HI97725 photometer lead the way. With built-in tutorial prompts and intuitive animations, every step of setup, calibration, and measurement becomes seamless. At any stage, simply press the dedicated help key to enter Tutorial Mode and receive immediate on-screen support.

Smart Power Management

Save battery and prevent errors with intelligent shutdown features. The meter conserves energy with auto-off functionality and actively protects data integrity. A blinking warning appears when battery life dips below 10%, and the unit will automatically power down when levels drop too low to ensure accurate readings are never compromised.

Integrated Data Logging for Confidence

Never lose track of your measurements. The HI97725 automatically stores your last 50 test results, allowing you to instantly review trends and outcomes using the convenient Log Recall Menu.

CAL Check™ for Reliable Results

Stay confident in your photometer’s performance. Hanna’s exclusive CAL Check™ validation system ensures your HI97725 remains within specification. Just insert the certified CAL Check™ standards, follow the guided prompts, and recalibrate if necessary to maintain trusted accuracy.

Precision Optical System

Engineered for enhanced measurement accuracy. The HI97725 uses a high-intensity LED light source and a narrow band interference filter to deliver exceptionally repeatable and precise results with minimal power consumption.

Built to Handle Real-World Demands

Rugged, waterproof, and ready for the field. With an IP67-rated enclosure and sealed internal optics, the HI97725 resists dirt, dust, and water intrusion. The instrument even floats, and a locking cuvette system ensures repeatable placement for consistent readings every time.

Compact, Portable, and Field-Ready

Designed for flexibility in the lab or on the go. The ergonomic build fits comfortably in your hand or rests securely on a benchtop. A bright, backlit LCD offers easy viewing in low-light conditions, while three AA batteries power the meter for more than 800 tests.

Your HI97725 Photometer (Meter Only) includes essential accessories to get started with chlorine, pH, and cyanuric acid testing:

  • Sample cuvette (2 pcs.)
  • Sample cap (2 pcs.)
  • Plastic stopper (2 pcs.)
  • Alkaline batteries: 1.5V AA (3 pcs.)
  • Instruction manual
  • Meter quality certificate

Upgrade to the HI97725C Kit to receive Hanna's CAL Check™ validation standards and extended accessories for complete testing performance:

  • Sample cuvette (2 pcs.)
  • Sample cap (2 pcs.)
  • Plastic stopper (2 pcs.)
  • A ZERO – CAL Check™ Cuvette A
  • HI97701B – CAL Check™ Cuvette B for Free & Total Chlorine
  • HI97710B – CAL Check™ Cuvette B for pH
  • HI97722B – CAL Check™ Cuvette B for Cyanuric Acid
  • Cloth for wiping cuvettes
  • Scissors
  • Alkaline batteries: 1.5V AA (3 pcs.)
  • Instruction manual
  • Meter quality certificate
  • CAL Check™ standard certificate

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