LAQUAact EC120

LAQUAact EC120 PortableMeters

Handheld Water Quality Meters

In the lab, in the field or anywhere you need it
Designed for use with one hand and with an IP67 waterproof rating and shock-resistant casing, this meter can be used for long periods, even in dark places, making it ideal for field measurements in rivers and lakes.

Segment: Scientific
Division: Water Quality
Base product
Manufacturing Company: HORIBA Advanced Techno Co. Ltd.




  • Automatic and manual conductivity calibration up to 4 points
  • Adjustable reference temperature and temperature coefficient
  • Selectable cell constant and measurement unit
  • Automatic / Manual temperature compensation and temperature calibration function
  • Conductivity and total dissolved solids (TDS) conversion
  • Four (4) TDS calibration curves for wide range of applications: EN27888, Linear, 442, NaCl
  • Two (2) salinity calibration curves: NaCl, Seawater 
  • Auto log data; Built-in memory can store up to 1000 data 
  • Auto shut-off (programmble: 1 to 30 minutes)
  • Real-time clock and date / time stamping
  • Auto-Hold / Auto-Stable measurement
  • Large backlit LCD: 52mm x 64mm
  • RS232 output for connecting the meter to a computer or printer
  • Powered by 2 x AAA batteries (LR03) or Ni-MH rechargeable batteries or power adaptor
  • Casing is IP67 waterproof (for 30mins immersion in 1m depth of water) and dustproof
  • Packaged in new molded carry case
  • 2 years meter warranty


Meter Kit Available:


EC120-K Meter Kit

The appearance of items in the picture are subject to change in each region.

Package Details:

  • LAQUAact EC120 Conductivity/TDS/Res/Sal/Temp meter, built-in electrode holder, 2 x AAA batteries
  • Instruction manual
  • 9382-10D plastic-body, Titanium/Platinum black conductivity probe (k=1.0) with integrated temperature sensor
  • 84 uS/cm, 1413 uS/cm, 12.88 mS/cm, 111.8 mS/cm conductivity standard solutions (60ml each)
  • Carry case





LAQUAact EC120


Condutivity Range...µS/cm to 2000 mS/cm
Resolution0.05% F.S.
Accuracy±0.6% F.S.; ±1.5% F.S. > 18.0 mS/cm 
Reference Temperature15 to 30.0°C (adjustable)
Temperature Coefficient0.0 to 10.0% (adjustable)
Cell Constant0.1, 1.0, 10.0 (selectable)
Measurement UnitμS/cm, mS/cm, S/m (selectable / auto-ranging)
Calibration PointsUp to 4 (Auto/Manual)
TDS Range...ppm to 1000 ppt (TDS factor=0.5)
Resolution0.01 ppm / 0.1 ppt
Accuracy±0.1% F.S.
Calibration CurvesEN27888, 442, Linear, NaCl
Resistivity Range0.000 Ω•cm to 200.0 MΩ•cm
Resolution0.05% F.S.
Accuracy±0.6% F.S.; ±1.5% F.S. > 18.0 MΩ•cm
Salinity Range0.0 to 100.0 ppt / 0.00 to 10.00 %
Resolution0.1 ppt / 0.01%
Accuracy0.2% F.S.
Calibration CurvesNaCl / Seawater
Temperature Range-30.0 to 130.0°C
Accuracy± 0.4°C
Calibration OptionYes
Memory Data1000
Auto Log Data Yes
Real-time ClockYes
Date / Time StampYes
Auto-Shut OffYes (Programmable: 1 to 30 minutes)
Auto-Hold / Auto-StableYes
Cell Constant DisplayYes
Electrode StatusOn screen display
Diagnostic MessagesYes
DisplayCustom Backlit LCD
InputsBNC, phono, DC sockets
IP RatingIP67, shock-resistant
Power Requirements2 x AAA (LR03) or Ni-MH rechargeable batteries or power adaptor
Battery Life>200 hours
Waste Water Treatment and Disposal in Water Waste Management and Remediation Services
Waste Water Treatment and Disposal in Water Waste Management and Remediation Services
Brochures-LAQUAact 100 Series Handheld Meters
Size 1.35 MB
Instruction manuals-Handheld Meters-LAQUAact_EC110_120_Manual
Size 0.62 MB


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