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Laboratory analysis

Portable Conductivity/TDS/Salinity Meter

PH-520 / PH-530 / PH-531 / PH-540

The Portable Conductivity/TDS/Salinity Meter is a compact and highly accurate device designed for rapid water quality analysis. It measures conductivity, total dissolved solids(TDS), and salinity, making it an essential tool for laboratories, environmental monitoring, industrial water testing, and agricultural applications.

Key features

  • Digital measurement
  • Method matched to the parameter
  • Repeatable results and data capture
Made to orderPrice on request
Manufacturer
BIOBASE
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Reply within 24 hoursValidated selection and configurationDelivery across mainland Portugal, Madeira, the Azores, and all European countries.

01 / LaboratoriX technical datasheet

LaboratoriX technical datasheet

Technical parameters consolidated from the manufacturer documentation. Each column corresponds to one model; shared values are clearly identified. Final configuration, accessories, power supply and applicable documentation are confirmed with the quotation.

ParameterPH-520PH-530PH-531PH-540
Conductivity
Common to all modelsRange · Standard · CON-1: 2µs/cm~20000µs/cm · CON-1: 2µs/cm~20000µs/cm · CON-1: 2µs/cm~20000µs/cm · CON-1: 2µs/cm~20000µs/cm
Conductivity (2)
Common to all modelsRange · Optional · CON-0.01: 0.01µs/cm~0.1µs/cm CON-0.1: 0.1µs/cm~2µs/cm CON-10: 20000µs/cm~200ms/cm · CON-0.01: 0.01µs/cm~0.1µs/cm CON-0.1: 0.1µs/cm~2µs/cm CON-10: 20000µs/cm~200ms/cm · CON-0.01: 0.01µs/cm~0.1µs/cm CON-0.1: 0.1µs/cm~2µs/cm CON-10: 20000µs/cm~200ms/cm · CON-0.01: 0.01µs/cm~0.1µs/cm CON-0.1: 0.1µs/cm~2µs/cm CON-10: 20000µs/cm~200ms/cm
Conductivity (3)
Common to all modelsAccuracy · ±0.5 % F.S. · ±0.5 % F.S. · ±0.5 % F.S. · ±0.5 % F.S.
Conductivity (4)
Common to all modelsResolution · 0.001, 0.01, 0.1, 1 · 0.001, 0.01, 0.1, 1 · 0.001, 0.01, 0.1, 1 · 0.001, 0.01, 0.1, 1
Conductivity (5)
Common to all modelsCalibration Points · 1 to 3 points(PH-520), 1 to 5 points(PH-530/531/540) · 1 to 3 points(PH-520), 1 to 5 points(PH-530/531/540) · 1 to 3 points(PH-520), 1 to 5 points(PH-530/531/540) · 1 to 3 points(PH-520), 1 to 5 points(PH-530/531/540)
Conductivity (6)
Common to all modelsCalibration Solutions · 10µS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm · 10µS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm · 10µS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm · 10µS/cm, 84pS/cm, 1413pS/cm, 12.88mS/cm, 111.8mS/cm
TDS
Common to all modelsRange · / · 0–10.00, 100.0, 1000ppm, 10.00, 200.0ppt · / · 0–10.00, 100.0, 1000ppm, 10.00, 200.0ppt
TDS (2)
Common to all modelsAccuracy · / · ±1 %F.S. · / · ±1 %F.S.
TDS (3)
Common to all modelsResolution · / · 0.01, 0.1, 1 · / · 0.01, 0.1, 1
TDS (4)
Common to all modelsTDS Factor · / · 0.1–1.0(default 0.5) · / · 0.1–1.0(default 0.5)
Salinity
Common to all modelsRange · / · / · 0.00–42.00psu, 0.00–80.00ppt · 0.00–42.00psu, 0.00–80.00ppt
Salinity (2)
Common to all modelsAccuracy · / · / · ±1 % F.S. · ±1 % F.S.
Salinity (3)
Common to all modelsResolution · / · / · 0.01 · 0.01
Resistivity
Common to all modelsRange · / · / · / · 0.00–20.00MΩ
Resistivity (2)
Common to all modelsAccuracy · / · / · / · ±1 % F.S.
Resistivity (3)
Common to all modelsResolution · / · / · / · 0.01
Temperature — Range
Common to all models0–105 °C/32–221°F
Temperature — Accuracy
Common to all models±0.5 °C/±0.9°F
Temperature — Resolution
Common to all models0.1 °C/0.1°F
Temperature — Offset Calibration
Common to all models1 point, reading ±10 °C
Other Specifications
Common to all modelsTemperature Compensation · 0–100 °C, manual or automatic · 0–100 °C, manual or automatic · 0–100 °C, manual or automatic · 0–100 °C, manual or automatic
Other Specifications (2)
Common to all modelsTemperature Coefficient · Linear(0.0–10.0 %/°C), non-linear, pure water · Linear(0.0–10.0 %/°C), non-linear, pure water · Linear(0.0–10.0 %/°C), non-linear, pure water · Linear(0.0–10.0 %/°C), non-linear, pure water
Other Specifications (3)
Common to all modelsReference Temperature · 20/25 °C · 20/25 °C · 20/25 °C · 20/25 °C
Other Specifications (4)
Common to all modelsCell Constant · K=0.1, 1, 10 · K=0.1, 1, 10 · K=0.1, 1, 10 · K=0.1, 1, 10
Other Specifications (5)
Common to all modelsStability Criteria · / · Low or high · Low or high · Low or high
Other Specifications (6)
Common to all modelsCalibration Due Alarm · / · 1 to 31 days or off · 1 to 31 days or off · 1 to 31 days or off
Other Specifications (7)
Common to all modelsHold Function · Manual or auto-endpoint · Manual or auto-endpoint · Manual or auto-endpoint · Manual or auto-endpoint
Other Specifications (8)
Common to all modelsAuto-Off · 30 minutes after last key pressed(PH-520), 10, 20 or 30 minutes after last key pressed(PH-530/531/540) · 30 minutes after last key pressed(PH-520), 10, 20 or 30 minutes after last key pressed(PH-530/531/540) · 30 minutes after last key pressed(PH-520), 10, 20 or 30 minutes after last key pressed(PH-530/531/540) · 30 minutes after last key pressed(PH-520), 10, 20 or 30 minutes after last key pressed(PH-530/531/540)
Other Specifications (9)
Common to all modelsMemory · 100 data sets(PH-520), 500 data sets(PH-530/531/540) · 100 data sets(PH-520), 500 data sets(PH-530/531/540) · 100 data sets(PH-520), 500 data sets(PH-530/531/540) · 100 data sets(PH-520), 500 data sets(PH-530/531/540)
Other Specifications (10)
Common to all modelsCommunication Interface · USB · USB · USB · USB
Other Specifications (11)
Common to all modelsConnector · 6-pin mini-DIN, 3.5 mm jack socket · 6-pin mini-DIN, 3.5 mm jack socket · 6-pin mini-DIN, 3.5 mm jack socket · 6-pin mini-DIN, 3.5 mm jack socket
Other Specifications (12)
Common to all modelsDisplay · Custom LCD(80 × 60 mm) · Custom LCD(80 × 60 mm) · Custom LCD(80 × 60 mm) · Custom LCD(80 × 60 mm)
Other Specifications (13)
Common to all modelsPower Requirements · 3 × 1.5 V AA batteries or DC5V power adapter · 3 × 1.5 V AA batteries or DC5V power adapter · 3 × 1.5 V AA batteries or DC5V power adapter · 3 × 1.5 V AA batteries or DC5V power adapter
Other Specifications (14)
Common to all modelsBattery Life · Approximately 150 hours(Turn off the backlight) · Approximately 150 hours(Turn off the backlight) · Approximately 150 hours(Turn off the backlight) · Approximately 150 hours(Turn off the backlight)
Other Specifications (15)
Common to all modelsDimensions(mm) · 170 × 85 × 30 · 170 × 85 × 30 · 170 × 85 × 30 · 170 × 85 × 30
Other Specifications (16)
Common to all modelsWeight(kg) · 300 g · 300 g · 300 g · 300 g
Other Specifications (17)
Common to all modelsPackage Size(W*D*H)mm · 475 × 155 × 350 · 475 × 155 × 350 · 475 × 155 × 350 · 475 × 155 × 350
Other Specifications (18)
Common to all modelsGross Weight(kg) · 2 kg · 2 kg · 2 kg · 2 kg

Technical data supplied by BIOBASE.

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