This product appears in the ERE Water Catalogue 2026
Rolls-Royce
Bureau Veritas
Renouveau La Fontaine
Englobe
National Defence
Government of QuébecOverview
Genuine OHAUS water analysis solutions — replacement and expansion parts engineered for OHAUS instruments. Select the part number that matches your unit; part compatibility is listed in each item's description.
Models
Compare models
Your selection is highlighted. Select a row to switch.| Part Number | Model |
|---|---|
| OH-30059255 | pH electrolyte (KCl saturated AgCl, 30ml |
| OH-30059256 | pH electrode protection solution(3M KCl) |
| OH-30059257 | Zero Oxygen Chemicals, STARTER |
| OH-30100424 | Buffer pH1.68 250ml |
| OH-30100425 | Buffer pH4.01 250ml |
| OH-30100426 | Buffer pH6.86 250ml |
| OH-30100427 | Buffer pH7.00 250ml |
| OH-30100428 | Buffer pH9.18 250ml |
| OH-30100429 | Buffer pH10.01 250ml |
| OH-30100440 | Buffer pH12.45 250ml |
| OH-30100442 | Standard Conduct 84µS/cm 250ml |
| OH-30100443 | Standard Conduct 1413µS/cm 250ml |
| OH-30100444 | Standard Conduct 12.88mS/cm 250ml |
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. This item also has an online price: you can buy it straight from the cart.
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?
Bought online, the shipping cost shows at checkout before you pay. 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
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