Our normal delivery time is 1-3 working days, which is not 100% guaranteed. The normal delivery time is about one week. Due to some uncontrollable reasons, if the logistics are not updated in time, please contact us. After the order number is uploaded, we do not accept refunds due to the lack of updates in logistics. If it has not been updated for more than 7 days, you can apply for a dispute. We will deal with it according to the actual situation. We do not accept orders from platforms such as Tiktok shop，TEMU, eBay, etc.
Specifications:
Measure range: 0.00 - 14.00PH
Resolution: 0.01PH
Accuracy: ±0.01 PH (at 25℃)
Power Supply: 2*1.5V (LR44 Included)
Operating Temperature: 0℃ - 80℃ (32℉ - 176℉)
Dimension: 155mm* 31mm * 18mm / 6.10”×1.22”×0.70”
Weight: 50g / 1.76oz
Calibration:
1. Turn on the pH meter.
2. Dissolve each buffer solution in 250 ml of distilled water.
3. Immerse the electrode into the pH 6.86 solution (under the temperature of 25℃).
4. Press the “CAL”(calibration) button for 5 seconds and release；
- Display screen will start flashing “6.86”；
- Wait for it until the display screen stops flashing；
- Rinse the electrode with distilled water and make it dry with filter paper.
5. Repeat the above steps with 4.01 pH buffer powder and 9.18 pH buffer powder.
Note:
Calibration is required in the following conditions.
- Lengthy periods of inactivity
- Very frequent use
- The testing accuracy requirement is very high
- The “cal” key was pushed and the electrode was exposed to air for an extended period of time
Package Includes:
1×pH Meter
3×pH Buffer Powder
1×User's Manual
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