• Model NO.：PH-320
• pH Accuracy：±0.002pH
• Resolution：0.1, 0.01, 0.001pH, Selectable
• Calibration Points：1~5 Points
• Temperature Compensation：0~100°c, 32~212°f, Manual or Automatic
• Mv Range：-1999.9~1999.9mv
• Mv Accuracy：±0.2mv
• Ion Concentration Range：0.001~19999ppm, Mg,L, Mol,L (Refer to The Range of
• Temperature Accuracy：,
• Hold Function：,
• Memory：Stores up to 500 Data Sets
• Output：USB Communication Interface
• Connector：--------
• Power Requirements：3×1.5V "AA" Batteries or DC5V Power Adapter
• Dimensions(W*D*H)：170*85*30mm
• Transport Package：International Standard
• Specification：Portable pH,ORP Meter
• Trademark：BIOBASE
• Origin：China
• Production Capacity：1000PC,Week

Product Description

Product Parameters

Model

PH-220

PH-221

PH-320

pH Range

-2.00~16.00pH

-2.000~20.000pH

-2.000~20.000pH

pH Accuracy

±0.01pH

±0.002pH

±0.002pH

Resolution

0.01pH

0.1, 0.01, 0.001pH, Selectable

0.1, 0.01, 0.001pH, Selectable

Calibration Points

2 points

1~5 points

 

1~5 points

 

Calibration Solutions

USA (pH4.01/7.00/10.01)

USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/12.75) or User-defined

USA (pH1.68/4.01/7.00/10.01/12.45), NIST (pH1.68/4.01/6.86/9.18/12.45), DIN (pH1.09/4.65/6.79/9.23/12.75) or User-defined

Temperature Compensation

0~100°C, 32~212°F, Manual or Automatic

0~100°C, 32~212°F, Manual or Automatic

0~100°C, 32~212°F, Manual or Automatic

mV Range

-1999~1999mV

-1999.9~1999.9mV

-1999.9~1999.9mV

mV Accuracy

±1mV

±0.2mV

±0.2mV

Resolution

1mV

0.1, 1mV, Selectable

0.1, 1mV, Selectable

Calibration Points

/

1 point (Only for Relative mV mode)

1 point (Only for Relative mV mode)

Ion Concentration Range

/ 

/

0.001~19999ppm, mg/L, mol/L (Refer to the range of ISE)

Ion Concentration Accuracy

/

/

±0.5% F.S (Monovalent),±1% F.S (Divalent)

Calibration Points

/

/

2~5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mg/L, mol/L)

Temperature Range

0~100°C, 32~212°F

0~105°C, 32~221°F

/

Temperature Accuracy

±1°C

±0.5°C,±0.9°F

/

Resolution

0.1°C

/

/

Hold Function

Manual

/

/

Memory

Stores up to 50 data sets

Stores up to 500 data sets

Stores up to 500 data sets

Output

/

USB Communication Interface

USB Communication Interface

Connector

BNC

--------

Power Requirements

1×9V/800mA battery

3×1.5V "AA" batteries or DC5V power adapter

3×1.5V "AA" batteries or DC5V power adapter

Dimensions(W*D*H)

185*88*32mm

170*85*30mm

Package Size(W*D*H)

475*155*350mm

Net Weight

300g

Gross weight

2kg

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