Hanna (HI98103) Checker 1; pH Tester, 1270 Probe
Key Performance Metrics
Full Specifications
| Model Number | Hanna HI98103 Checker 1 |
| Included Electrode | HI 1270 with screw connector (replaceable with any Hanna pH electrode using screw connector) |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Dimensions | 66 x 50 x 25 mm (7.9 x 1.1 x 0.8 inches) |
| Weight | 70 g (2.5 oz) |
| Display | Large LCD with reading stability indicator |
| Power Source | 2 x 1.5V batteries (approximately 3000 hours continuous use) |
Ideal Use Cases
The HI98103 Checker 1 is built for general water testing in aquariums, swimming pools, ponds, hydroponics, and other environments where pH monitoring is essential. The replaceable HI 1270 electrode can be swapped with any Hanna pH electrode featuring a screw connector, giving you flexibility for specialized applications. Calibration requires pH buffer solutions (sold separately), and the electrode must be conditioned by soaking in pH 7 buffer for a few hours before first use. Lightweight and portable at 70 grams, this tester is easy to carry to remote testing sites or move between multiple water sources.
Key Performance Metrics
Full Specifications
| Model Number | Hanna HI98103 Checker 1 |
| Included Electrode | HI 1270 with screw connector (replaceable with any Hanna pH electrode using screw connector) |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Dimensions | 66 x 50 x 25 mm (7.9 x 1.1 x 0.8 inches) |
| Weight | 70 g (2.5 oz) |
| Display | Large LCD with reading stability indicator |
| Power Source | 2 x 1.5V batteries (approximately 3000 hours continuous use) |
Ideal Use Cases
The HI98103 Checker 1 is built for general water testing in aquariums, swimming pools, ponds, hydroponics, and other environments where pH monitoring is essential. The replaceable HI 1270 electrode can be swapped with any Hanna pH electrode featuring a screw connector, giving you flexibility for specialized applications. Calibration requires pH buffer solutions (sold separately), and the electrode must be conditioned by soaking in pH 7 buffer for a few hours before first use. Lightweight and portable at 70 grams, this tester is easy to carry to remote testing sites or move between multiple water sources.
Original: $137.78
-65%$137.78
$48.22Description
Key Performance Metrics
Full Specifications
| Model Number | Hanna HI98103 Checker 1 |
| Included Electrode | HI 1270 with screw connector (replaceable with any Hanna pH electrode using screw connector) |
| Operating Temperature | 0 to 50°C (32 to 122°F) |
| Dimensions | 66 x 50 x 25 mm (7.9 x 1.1 x 0.8 inches) |
| Weight | 70 g (2.5 oz) |
| Display | Large LCD with reading stability indicator |
| Power Source | 2 x 1.5V batteries (approximately 3000 hours continuous use) |
Ideal Use Cases
The HI98103 Checker 1 is built for general water testing in aquariums, swimming pools, ponds, hydroponics, and other environments where pH monitoring is essential. The replaceable HI 1270 electrode can be swapped with any Hanna pH electrode featuring a screw connector, giving you flexibility for specialized applications. Calibration requires pH buffer solutions (sold separately), and the electrode must be conditioned by soaking in pH 7 buffer for a few hours before first use. Lightweight and portable at 70 grams, this tester is easy to carry to remote testing sites or move between multiple water sources.
