Three Point Calibration with TDS and Temperature Display
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This equipment contains button batteries and is intended to be used in trades, professions or industries only.
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For laboratory consumables or equipment, head over to our alternative website, Australian Scientific, where you can conveniently purchase these items alongside water quality products.
Conductivity Meter with TDS Pocket Type – LAQUAtwin EC33
From: $295.00 ex GST
Description
Conductivity Meter Pocket Type – LAQUAtwin EC33
The LAQUAtwin EC33 Conductivity Meter Pocket Type is your go-to solution for fast, accurate conductivity testing in the field or lab. Compact, waterproof, and ultra-convenient, this portable meter allows for on-the-spot measurements with a sample size as small as 0.12 mL—ideal for environmental, agricultural, and industrial applications.
Previously branded as the Horiba B771, the LAQUAtwin EC33 brings upgraded usability while maintaining the trusted performance researchers and professionals rely on. Whether you’re monitoring the purity of rainwater, checking soil salinity after saltwater exposure, or ensuring clean surfaces for coatings, this conductivity meter delivers precise results in seconds.
Key Features:
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Minimal Sample Requirement: Only 0.12 mL needed—perfect for small or precious samples
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Multi-Use Capabilities: Measures Conductivity, TDS, and Salt levels accurately
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Automatic Range Switching: Adapts to sample conditions for optimal accuracy
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Built-in Temperature Compensation: Fixed at 2% per °C for reliable, consistent readings
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Waterproof Design (IP67 Rated): Durable and ready for outdoor or harsh environments
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Auto Hold Function: Locks in stable readings for convenient documentation
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Energy Saving Auto Power-Off: Shuts down after 15 minutes of inactivity
Ideal For:
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Rainwater Analysis: Gauge atmospheric purity through conductivity
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Soil Testing in Agriculture: Optimize fertilization and evaluate saltwater intrusion
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Aquarium Maintenance: Maintain ideal water conditions for aquatic life
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Surface Cleanliness Evaluation: Ensure surfaces are ready for painting or coating applications
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Hot Spring and Natural Water Testing: Monitor mineral content in natural bodies of water
Lightweight, accurate, and easy to use, the LAQUAtwin EC33 Conductivity Meter Pocket Type is a must-have for professionals needing rapid, reliable conductivity measurements in the palm of their hand.
Need calibration solution for your pocket meter? CLICK HERE to view our range
This equipment contains button batteries and is not intended for general consumer use.
(i) the equipment is intended to be used in trades, professions or industries only;
(ii) the equipment is not intended for sale to the general public;
(iii) the equipment is not intended to be used where children are present;
| MODEL | EC 11 | EC 22 | EC 33 | ||||
| Measurement principle | 2 AC bipolar | ||||||
| Minimum sample volume |
0.12mL or more | ||||||
| Measurement range | Conductivity：0 to 19.9mS/cm | Conductivity：0 to 199mS/cm | Conductivity：0 to 199mS/cm TDS：0 to 9900ppm |
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| Range and Resolution (Valid numbers) |
① 0 to 1999 μS/cm : 1μS/cm ② 2.0 to 19.9mS/cm : 0.1mS/cm |
① 0 to 1999 μS/cm : 1μS/cm ② 2.0 to 19.9mS/cm : 0.1mS/cm ③20 to 199mS/cm : 1mS/cm*1 |
① 0 to 1999 μS/cm : 1μS/cm ② 2.0 to 19.9mS/cm : 0.1mS/cm ③20 to 199mS/cm : 1mS/cm*1 |
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| Calibration | Two-point*2 | Three-point*2 | Three-point*2 | ||||
| Accuracy | ±2%F.S.±1digit (0 to 199 μS/cm ) | ±2%F.S.±1digit (0 to 199 μS/cm ) ±5%F.S.±1digit (20 to 199mS/cm) |
±2%F.S.±1digit (0 to 19.99 μS/cm ) ±5%F.S.±1digit (20 to 199mS/cm) |
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| Functions | Salt/TDS Measurement・Auto range change・Temperature conversion(2%/℃ fixed)・Waterproof*3・Auto hold・Automatic power off（15 minutes） | Auto range change・Temperature conversion(2%/℃ fixed)・Waterproof*3・Auto hold・Automatic power off（15 minutes） | TDS Measurement・Auto range change・Temperature conversion(2%/℃ fixed)・Waterproof*3・Auto hold・Automatic power off（15 minutes） | ||||
| Display | Custom (monochrome) Digital LCD | ||||||
| Operating temperature/humidity |
0 to 50˚C, 85% or less in relative humidity (no condensation) | ||||||
| Power | CR2032 batteries (x2) | ||||||
| Battery life | Approx. 400 hours in continuous use | ||||||
| Main Material | ABS epoxy | ||||||
| Dimensions /Mass |
164mm × 29mm × 20mm (excluding projections) / Approx. 45 g (meter only, without batteries) | ||||||
| Accessories included | 2 CR2032 batteries/1 Pipette/Instruction manual/Quick manual/Storage case/Standard solution(1.41mS/cm) (14mL)/Treatment reagent (14mL) ※For the high conductivity standard solution (12.9mS/cm) is sold separately. |
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*1 When the measured value is out of the measurement range, the displayed value blinks. It should be used only as a guide.
*2 Selectable between one-point and two-point calibrations. High conductivity standard solution (12.9mS/cm) is sold separately.
*3 IP67：no failure when immersed in water at a depth of 1 meter for 30 minutes. But the product can not be used underwater.
