Portable Conductivity/TDS/Salinity Meter PH-520 PH-530 PH-531 PH-540

Description

Portable Conductivity/TDS/Salinity Meter PH-520 PH-530 PH-531 PH-540

PH-520 Features:

1. 1 to 3 points calibration with automatic recognition for conductivity standards.

2. Automatic electrode diagnosis shows the calibration points and factors .

3. Selectable cell constant, reference temperature, linear/non-linear and pure water compensation modes.

4. Automatic temperature compensation ensures accurate readings over the entire range.

5. Auto-Read function senses and locks the measurement endpoint.

6. Setup menu allows setting the number of calibration points, temperature unit, auto-power off, etc.

7. Reset function automatically resumes all settings back to the factory defaults.

8. Expanded memory stores or recalls up to 100 data sets.

9. USB communication interface for data transfer orconnecting a power adapter to meter.

PH-530/531/540 Features:

1. 1 to 5 points calibration with automatic recognition for conductivity standards.

2. Automatic electrode diagnosis shows the calibration points and factors.

3. Selectable cell constant, reference temperature, TDS factor, linear and pure water compensations, seawater and practical salinity measurement modes.

4. Automatic temperature compensation ensures accurate readings over the entire range.

5. Auto-Read function senses and locks the measurement endpoint.

6. Calibration due alarm prompts user to calibrate the meter regularly.

7. Auto-Power Off effectively conserves battery life.

8. Setup menu allows setting the number of calibration points, stabilitycriteria,temperature unit, date and time, etc.

9. Reset function automatically resumes all settings back to the factory defaults.

10. Expanded memory stores or recalls up to 500 data sets.

11. USB communication interface is easy to transfer data to PC.

12. Multi-mode powerscheme(batteries, power adapter and USB port) ensures that using the meter smoothly.

Accessories:

Meter, CON-1 conductivity electrode, temperature probe, standard solutions and carrying case.

Technical Parameters:

Model

PH-520

PH-530

PH-531

PH-540

Conductivity

Range

Standard

CON-1: 2μs/cm~20000μs/cm

Optional

CON-0.01: 0.01μs/cm~0.1μs/cm

CON-0.1: 0.1μs/cm~2μs/cm

CON-10: 20000μs/cm~200ms/cm

Accuracy

±0.5% F.S.

Resolution

0.001, 0.01, 0.1, 1

Calibration Points

1 to 3 points(PH-520), 1 to 5 points(PH- 530/531/540)

Calibration Solutions

10μS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm

TDS

Range

/

0~10.00, 100.0,

1000ppm, 10.00,

200.0ppt

/

0~10.00, 100.0,

1000ppm, 10.00,

200.0ppt

Accuracy

/

±1%F.S.

/

±1%F.S.

Resolution

/

0.01, 0.1, 1

/

0.01, 0.1, 1

TDS Factor

/

0.1~1.0(default 0.5)

/

0.1~1.0(default 0.5)

Salinity

Range

/

0.00~42.00psu, 0.00~80.00ppt

Accuracy

/

±1% F.S.

Resolution

/

0.01

Resistivity

Range

/

0.00~20.00MΩ

Accuracy

/

±1% F.S.

Resolution

/

0.01

Temperature

Range

0~105°C/32~221°F

Accuracy

±0.5°C/±0.9°F

Resolution

0.1°C/0.1°F

Offset Calibration

1 point, reading ±10°C

Other

Specifications

Temperature Compensation

0~100°C, manual or automatic

Temperature Coefficient

Linear(0.0~10.0%/°C), non-linear, pure water

Reference Temperature

20/25°C

Cell Constant

K=0.1, 1, 10

Stability Criteria

/

Low or high

Calibration Due Alarm

/

1 to 31 days or off

Hold Function

Manual or auto-endpoint

Auto-Off

30 minutes after last key pressed(PH-520), 10, 20 or 30 minutes after last key pressed(PH-530/531/540)

Memory

100 data sets(PH-520), 500 data sets(PH-530/531/540)

Communication Interface

USB

Connector

6-pin mini-DIN, 3.5mm jack socket

Display

Custom LCD(80*60mm)

Power Requirements

3*1.5V AA batteries or DC5V power adapter

Battery Life

Approximately 150 hours(Turn off the backlight)

Dimensions(mm)

170*85*30

Weight(kg)

300g

Package Size(W*D*H)mm

475*155*350

Gross Weight(kg)

2kg