Checker ®

Modern Substitute for Litmus Paper with Replaceable Electrode  (HI1207 – HI98103)

 
  • Large and easy-to-read LCD
  • High accuracy with 0.01 pH resolution
  • Two point fast and accurate calibration
  • Usable with virtually any pH electrode
  • Battery life: 3000 hours of continuous use
  • Wide range: 0.00 to 14.00 pH
  • Replaceable pH electrode

At the cost of a few rolls of pH litmus paper, you can now have the industry's latest electronic pH tester. Checker® supplies you with fast and accurate readings on a large LCD. Unlike other pH testers, the Checker® electrode can be changed and any pH electrode of different shape or size can be used. Checker® is also suitable for checking electrodes in pipes and tanks and various other industrial applications. The extended family of Checker® pH testers now includes standard gel-filled electrodes with built-in BNC or screw-type connectors. Checker® is supplied complete with electrode, 2 x 1.4V batteries and instructions. Order your Checker® according to your needs and the type of electrode most suitable for your application:

  • Checker® 1 - Stick model Checker® with replaceable HI 1270 screw-type, combination, pH electrode.
  • Checker®2 - Stick model Checker® with replaceable HI 1207 professional full-length gel-filled pH electrode and screw-type connector.
  • Checker®3 - Stick model Checker® B with replaceable HI 1208 professional full-length gel-filled pH electrode and BNC connector.

 

Specifications:

Checker® 1

Checker® 2

Checker® 3

Range

0.00 to 14.00 pH

Resolution

0.01 pH

Accuracy (@ 20°C/68°F)

±0.2 pH

Typical EMC Deviation

±0.1 pH

Calibration

Manual 2 points through trimmers

pH Electrode

HI 1270 (included)

HI 1207 (included)

HI 1208 (included)

Battery Type / Life

2 x 1.4V / 3000 hours approx. continuous use

Environment

32 to 122°F (0 to 50°C); RH 95%

Dimensions

2.6 x 2 x 1" (66 x 50 x 25 mm)

Weight

2.5 oz. (70 g)

Checker® is a registered Trademark of "Hanna Instruments"