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Come and see us at the BKKS National Koi Show 29th and 30th June, Heart of England Centre, CV7 8DX

Summer offers - Get 10% off all Evolution Aqua products, use code GET10 at checkout.

The easy to use Checker plus is a real favourite with students and researchers due to its clear LCD display and long thin pH electrode. The checker offers automatic calibration and buffer recognition, calibrated buffer tags, and a stability indicator.

  • Sturdy compact meter designed for direct sample testing
  • Fast accurate readings from 0-14 pH with a resolution of 0.01 pH
  • Thin long-reach pH electrode designed to fit easily into a test tube
  • Replaceable pH electrode
  • Economical
  • Highly accurate
  • Large LCD
  • Stability indicator
Water Issue PH

Range pH 0.00 to 14.00 pH

Resolution pH0.01 pH

Accuracy pH ±0.2 pH

Calibration automatic, 2 points

Electrode HI-1271 (included)

Battery Type / Life CR2032 Li-ion/ approximately 1000 hours of continuous use

Environment 0 to 50°C; RH max 95%

Auto-off 8 minutes

Dimensions 50 x 174 x 21mm

Weight 50 g

Ordering information:

HI-98100 is supplied with HI-1271 pH electrode, pH4.01 buffer solution sachet (2), pH 7.01 buffer solution sachet (2), electrode cleaning solution sachet (2), battery, quality certificate, and instruction manual in a carrying case. Available to buy separately: HI-70300L electrode storage solution, 500ml bottle; HI-700601p General purpose cleaning solution 20ml sachets x 25; HI-770710p pH 10.01 and 7.01 buffer solution, 20ml sachets x 5 of each. Six batteries: TESTER-BATT

We aim to dispatch orders received before midday Monday to Friday on the same day where possible. In most cases our items are available for 1 to 2 day delivery at a competitive price and are trackable via DPD or APC.

Delivery costs for standard items in the UK - £5.95

(Surcharges do apply to remote postcodes)

Heavy items - £9.95

Pipe - £14.95

Palletised items - Some large oversize products, typically items weighing more than 30kg, may require delivery via pallet. Standard Pallet charge is approx. £50.00. To ensure there are no delays with delivery, please include a contact number when placing the order.

Overseas – DHL and UPS, cost based on weight / volume at checkout.

Below is a list of documents that you may find useful.

Can’t find what you’re looking for? Call 01777 839176 or use our contact form