Horiba รุ่นpH-22Bเครื่องวัดค่าพีเอชแบบปากกา,Compact pH meter LAQUAtwin,Meas.range:pH0～14(Resolution:0.01pH)

Type

LAQUAtwin-pH-11B

LAQUAtwin-pH-22B

LAQUAtwin-pH-33B

Measurement principle

Glass electrode method

Glass electrode method

Glass electrode method

Required sample amount

0.1 ml or more ^{* 1} (Measurement is possible from 0.05 mL by using sampling sheet B)

range of measurement

pH0-14

pH0-14

pH0-14

resolution

0.1 pH

0.01 pH

0.01 pH

Temperature display range

――――

――――

0-50 ℃ / 0.1 ℃

Calibration score

Maximum 2 points ^{* 2}

Maximum 3 points ^{* 2}

Maximum 5 points ^{* 2}

accuracy

± 0.1 pH ^{* 3}

± 0.01 pH ^{* 3}

± 0.01 pH ^{* 3}

Main functions

Standard liquid automatic recognition ^{* 3} / Temperature compensation Temperature sensor adjustment function (LAQUAtwin-pH-33B only) Standard liquid NIST / USA selectable Auto hold / Auto stability function Auto power off (30 minutes) / Battery level display / Sensor replacement Possible

Waterproof

IP67 ^{* 4}

IP67 ^{* 4}

IP67 ^{* 4}

Display method

Custom (monochrome) digital liquid crystal display (with backlight function)

usage environment

5-40 ° C, 85% relative humidity or less (but no condensation)

power supply

Two coin-type lithium batteries 3V (CR2032)

Battery life

Approximately 400 hours of continuous use (when the backlight is off) ^{* 5}

Main materials

ABS resin

ABS resin

ABS resin

External dimensions / mass

W164mm x H29mm x D20mm (excluding protrusions) / approx. 50g (excluding batteries)

accessories

2 coin-type lithium batteries (CR2032) / 1 dropper Instruction manual / Quick manual / Storage case

pH standard solution (pH6.86, pH4.01) * 6 1 bottle each (14 mL), 5 sampling sheets B

Main consumables (sensor / standard solution)

S010 (sensor), 514-686 (pH 6.86 standard solution), 514-4 (pH 4.01 standard solution)