Name: Horiba LAQUAtwin Replacement Sensor
Brand: Horiba
SKU: 3200459834
Price: 90.0 USD
Availability: InStock

Genuine HORIBA replacement sensors for LAQUAtwin pocket water quality meters. The flat sensor is a consumable part — when readings drift, calibration will no longer hold, or response becomes sluggish, you replace the sensor rather than the meter. Swapping one takes seconds with no tools.

Sensor life depends on how often the meter is used and what it is used on. Expect to replace pH and conductivity sensors roughly annually with regular use, and sooner where samples are dirty, high in solids, or chemically aggressive. Keeping a spare on the shelf means a worn sensor never costs you a day's work.

Select the sensor for your meter

S010 (part no. 3200459834) — pH sensor for pH-11, pH-22 and pH-33
S070 (part no. 3200459672) — conductivity sensor for EC-11, EC-22 and EC-33
S071 (part no. 3200597237) — conductivity-based salt sensor for Salt-11
S021 (part no. 3200459866) — sodium ISE salt sensor for Salt-22
S022 (part no. 3200459867) — sodium sensor for Na-11
S030 (part no. 3200459868) — potassium sensor for K-11
S040 (part no. 3200459870) — nitrate sensor for NO3-11, NO3-11C and NO3-11S
S050 (part no. 3200459869) — calcium sensor for Ca-11
S051 (part no. 3200772945) — calcium sensor for Ca-11C blood calcium meter
S060 (part no. 3200934450) — fluoride sensor for F-11
S060-ORP (part no. 3200997083) — ORP sensor for ORP-11

Important notes

Sensors are model-specific and not interchangeable between parameters — match the sensor code to your meter.
Ion-selective sensors (Na, K, NO3, Ca, F) need electrode conditioning before first use: apply a few drops of the high standard solution to the flat sensor and leave it several hours, then calibrate.
Recalibrate with fresh standard solution immediately after fitting any new sensor.
Take care not to twist the waterproof gasket when fitting, or the meter will lose its IP67 rating.

Documentation

Related items

Standard and calibration solution sets, sampling sheets and carrying cases are in the Horiba Parts & Accessories collection. Complete meters are in the HORIBA collection.

$90.00

Quantity

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ENVIRONMENTAL SAMPLING EQUIPMENT

Horiba LAQUAtwin Replacement Sensor

Select the sensor for your meter

Important notes

Documentation

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