CM-30A Series Portable Conductivity

QUICK OVERVIEW

Product Code: 960
Brand: Conductivity Meter

CM-30A Series


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• Multi-parameter portable conductivity meter is equipped with a large backbit LCD display.
• 1 to 5 points push-button calibration with automatic calibration solution recognition.
• Selectable cell constants (0.1/1/10), normalization temperatures, linear and pure watercompensation modes, seawater and practical salinity measurement modes.
• Automatic Temperature Compensation provides accurate reading over the entire range.
• Calibration Due Reminder prompts user to calibrate the meter regularly.
• Stability indicator automatically shows current measurement status.
• Auto-Hold function freezes stable measured value for easy viewing and recording.
• Selectable temperature unit (°C or °F) meets different application requirements.
• Automatic electrode diagnosis shows cell constant of the sensor.
• Help message as a operational guide that helps you quickly begin using the meter.
• System menu allows setting the 10 parameters, including the number of calibration points,
stability conditions, temperature units, hold function, etc.
• Reset feature automatically resumes all parameters back to factory default options.
• Expanded memory stores and recalls up to 500 readings.
• Built-in real-time clock stamps stored data to meet GLP standard.
• Stored data can be transferred into computer by USB communication interface.
• Multi-mode power scheme (battery, power adapter, computer’s USB port) ensures that use the meter smoothly

  • Useful for Laboratory and research

Applictaions:
• Water quality monitoring
• Geological and ecological research
• Cooling towers
• Printing industry
• Swimming pools and Spas
• Agriculture and aquaculture
• Aquariums
• Education and lab applications

TECHNICAL SPECIFICATION

   Model

CM-30A

CM-31A

CM-34A

   Conductivity
   Range

0~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm

   Accuracy

±0.5% F.S

   Resolution

0.01, 0.1, 1

   Calibration Points

1 to 5 points

   Calibration Solutions

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

   TDS

   Range

0~10ppt

(Max. 20ppt, depending on factor setting)

0~10ppt

(Max. 20ppt, depending on factor setting)

   Accuracy

±1% F.S

±1% F.S

   TDS Factor

0.1~1.0 (Default 0.5)

0.1~1.0 (Default 0.5)

   Salinity
   Range

0~10ppt (Max. 80ppt)

   Accuracy

±1% F.S

   Measurement Modes

Seawater or Practical Salinity

   Resistivity

   Range

0~100MΩ

   Accuracy

±1% F.S

   Resolution

0.01, 0.1, 1

   Temperature
   Range

0~105°C, 32~221°F

   Accuracy

±0.5°C, ±0.9°F

   Resolution

0.1°C

   Calibration Points

1 point

   Calibration Range

Measured value ±10°C

   Others
Temperature

Compensation

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

   Temperature Coefficient

0.0~10.0%/°C

   Compensation Modes

Linear or Pure Water

   Cell Constant

K=0.1, 1, 10

   Normalization Temperature

20 or 25°C

   Hold Function

Manual or Automatic

   Stability Conditions

Low or High

   Calibration Due

0 to 31 days

   Power Off

Manual or Automatic (10, 20, 30 minutes)

   Reset Function

Yes

   Memory

Stores up to 500 data sets

   Output

USB Communication Interface

   Power Requirements

3×1.5V “AA” Batteries

   Battery Life

Approximately 150 hours (Turn off the backlit)

   Dimensions

170(L)×85(W)×30(H)mm

   Weight

300g

LITERATURE

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