Feature(may vary by option.)

●This PH Meter Calibration Buffer Powder is a individual sized PH buffer packet that can be stored in a travel drawer, bag, or suitcase
●EASY TO USE: Open the packet, mix the powder with 250ml distilled water
●This buffer powder can be used with any electronic pH meter
●Individually packaged to keep fresh until in use
●Manufactured with the highest quality materials pre-measured under the toughest conditions

[Set A]




[Set B]





Description

Specifications:
Type: Set A, Set B (Optional)
Accuracy: ±0.01PH at 25°C
PH Buffing Powder: 4.01, 6.86, 9.18
4.01: Often used in acidic conditions, need to be calibrated with 4.01 standard liquid
6.86: 6.86 standard solution should be calibrated as often used under neutral conditions
9.18: Often used under alkaline conditions, 9.18 standard solution should be calibrated
Item weight: 2.7g / 0.1oz
Package Size: 2.4 x 2.0 x 0.4 inches (60 x 50 x 10 mm).
Package Weight:
Set A: 22g / 0.8oz
Set B: 46g / 1.6oz

How to use:
Step 1: Open the packet and pour the powder into a dry glass cup for cleaning.
Step 2: Add 250ml of deionized water (or distilled water) to the glass cup. (or 250 ml certified flask)
Step 3: Stir the powder until it is fully dissolved.
Step 4: Adjust PH meter (Rinse the meter with pure water before testing)

Note:
1. For more accuracy, calibrate with two solutions, first use 6.86, then use 4.01 or 9.18.
2. The cup must be glass or ceramic. Do not use metal materials.
3. The calibration solution can be stored in a covered jar or glass cup for 2-3 weeks. (Refrigerated)

Package Contents:
Set A:
2 x 4.01 PH Buffer Powder
2 * 6.86 PH Buffer Powder
2 * 9.18 PH Buffer Powder

Set B:
5 x 4.01 PH Buffer Powder
5 * 6.86 PH Buffer Powder
5 * 9.18 PH Buffer Powder