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pH Meter Environment

pH TESTERS pHep4 & pHep5

Product Code:HI98127 and HI98128


Need more Info? (514) 354-2511 - 1-800-463-4363

When HANNA instruments® introduced it’s first version of the pHep® (pH electronic paper) in 1986, it immediately revolutionized the standard in pH measurement. The pHep®’s ease-of-use in combination with its affordability made it possible for non-technical and technical personnel alike to measure pH on the spot, accurately and inexpensively throughout a variety of industries. Since its introduction, over 1 million pHep®'s have gone to satisfied customers around the world.

We at HANNA instruments® have always valued the comments and suggestions coming from our customers. For this series, we have included all of the features you have asked for and more! The pHep®4 and pHep®5 include features such as a dual-level LCD, battery level indicator, replaceable pH electrode cartridge, stability indicator, automatic shut-off and automatic calibration all in a floating, waterproof casing.

The pHep®4 and pHep®5 use the exclusive cartridge pH electrode. Electrode replacement with the stainless steel round connector means there are no pins to bend or break during replacement.

The pHep®’s replaceable electrode has a pull-out cloth junction. When the cloth junction becomes dirty from routine testing, simply pull out 3 mm (1/8”) to rejuvenate the electrode.

The pHep®4 and pHep®5’s exposed temperature sensor provides fast response time, and its proximity to the pH electrode guarantees much more accurate temperature compensated readings.
 

Specifications
  HI 98127 (pHep®4) HI 98128 (pHep®5)
Range pH -2.0 to 16.0 pH -2.00 to 16.00 pH
Temperature -5.0 to 60.0°C / 23.0 to 140.0°F
Resolution pH 0.1 pH 0.01 pH
Temperature 0.1°C / 0.1°F
Accuracy (@20°C) pH ±0.1 pH ±0.05 pH
  Temperature  ±0.5°C /±1°F
pH Calibration Automatic, at 1 or 2 points with 2 sets of memorized buffers
(pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)
Temperature Compensation Automatic
Battery Type / Life 4 x 1.5V with BEPS / approx. 300 hours of continuous use; auto-off after 8 minutes of non-use
Environment -5 to 50°C (23 to 122°F); RH max 100%
Dimensions 163 x 40 x 26 mm (6.4 x 1.6 x 1.0’’)
Weight 100 g (3.5 oz.) 

 

Ordering Informations
Part Number Description
HI 98127 (pHep®4) is supplied complete with protective cap, electrode removal tool, batteries and instructions.
HI 98128 (pHep®5) is supplied complete with protective cap, electrode removal tool, batteries and instructions. 

 

Accessories
Part Number Description
HI 73127 Spare electrode for HI 98127 and HI 98128
HI 70004P pH 4.01 buffer solution, 20 mL sachet, 25 pcs.
HI 70006P pH 6.86 buffer solution, 20 mL sachet, 25 pcs.
HI 70007P pH 7.01 buffer solution, 20 mL sachet, 25 pcs.
HI 70009P pH 9.18 buffer solution, 20 mL sachet, 25 pcs.
HI 70010P pH 10.01 buffer solution, 20 mL sachet, 25 pcs.
HI 7061M Cleaning solution, 230 mL bottle
HI 73128 Electrode removal tool 

 

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