This product appears in the ERE Water Catalogue 2026
Rolls-Royce
Bureau Veritas
Renouveau La Fontaine
Englobe
National Defence
Government of QuébecOverview
This new micro-processor based tester provides the most advanced solution in ORP and Temperature measurement. Further, the HA-98121 provides pH measurement.
Features
• Replenishable junction
• Dual level LCD
• Battery life percentage indication
• Stability indicator
• Floating and waterproof body
Compare models
Your selection is highlighted. Select a row to switch.| Part Number | Model | Dimensions | Capacity | ORP Range | Temp. Range | pH Range | Calibration (ORP) | Calibration (pH) |
| HA-98120 | ORP/Temperature Tester | 6.4" x 1.6" x 1.0" | 3.5 oz | ± 1000 mV, ± 2 mV accuracy | -5.0 to 60°C, ± 0.5°C accuracy | - | Factory calibrated | - |
| HA-98121 | ORP/pH/Temperature Tester | 6.4" x 1.6" x 1.0" | 3.5 oz | ± 1000 mV, ± 2 mV accuracy | -5.0 to 60°C, ± 0.5°C accuracy | -2 to 16.00 pH, ± 0.05 accuracy | Factory calibrated | Automatic 1 or 2 points with 2 sets of memorized buffers |
Documents
Calibration and repair
Send it to our Montreal service team. We evaluate the instrument and send a detailed quote before any work starts.
Compare with similar models
Hanna Instruments · Water Quality Meter| Spec | This model Hanna ORP TesterPrice on quote
|  Hanna pHep®4 & pHep®5Price on quote
|
|---|---|---|
| Temperature Range | -5.0 to 60.0°C / 23.0 to 140.0°F | -5.0 to 60.0°C / 23.0 to 140.0°F |
| Temperature Resolution | 0.1°C / 0.1°F | 0.1°C / 0.1°F |
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
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