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HACH Electrode: ISEF121AP, Fluoride, 0.01 mg/L to 19 g/L, 1 m Cable Lg - Ion Selective Electrodes
HACHIon Selective Electrodes

HACH Electrode: ISEF121AP, Fluoride, 0.01 mg/L to 19 g/L, 1 m Cable Lg

The HACH Electrode: ISEF121AP is an Ion Selective Electrode designed for measuring fluoride, with a measurement range of 0.01 mg/L to 19 g/L. It features an annular PTFE junction and is constructed from epoxy…

SKU 3G-OTH-375752

Brand
HACH
Item
Electrode: ISEF121AP, Fluoride, 0.01 mg/L to 19 g/L, 1 m Cable Lg
Category
Ion Selective Electrodes
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HACH
Manufacturer Part Number
ISEF121AP
Type
Fluoride, 0.01 mg/L to 19 g/L, Annular PTFE
Material
Epoxy
Range
0.01 mg/L to 19 g/L
Cable Lg
1 m
Junction
Annular PTFE
Product Type
Electrode
Test Parameters
Fluoride

Technical Documents

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HACH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HACH Electrode: ISEF121AP is an Ion Selective Electrode designed for measuring fluoride, with a measurement range of 0.01 mg/L to 19 g/L. It features an annular PTFE junction and is constructed from epoxy material. This electrode includes a 1 m cable length and is identified by manufacturer part number ISEF121AP.

Frequently Asked Questions

What is the HACH ISEF121AP electrode used for?

The HACH ISEF121AP is an ion selective electrode (ISE) designed to measure fluoride ion concentration in aqueous solutions. It is commonly used in water quality monitoring, wastewater treatment, and industrial process control where fluoride levels range from 0.01 mg/L to 19 g/L.

What are the specifications of the HACH ISEF121AP electrode?

The HACH ISEF121AP is a fluoride ion selective electrode with a measurement range of 0.01 mg/L to 19 g/L. It features an annular PTFE junction, an epoxy body, and a 1 m cable length. The manufacturer part number is ISEF121AP.

Where to buy the HACH ISEF121AP electrode worldwide?

3G Electric supplies the HACH ISEF121AP electrode worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this electrode for your fluoride measurement application.

How to maintain the HACH ISEF121AP fluoride electrode?

To maintain the HACH ISEF121AP, rinse the electrode with deionized water after each use and store it in a fluoride-free storage solution. Avoid touching the sensing membrane. Periodically recalibrate using standard fluoride solutions to ensure accurate readings. Replace the electrode if response becomes sluggish.

Used in

Common applications for HACH
Municipal water treatment — HACH PHC20101 IntelliCAL pH electrode for pH monitoring in distribution systems
Industrial wastewater — HACH Chloride Test Kit (2438600) for chlorine residual analysis in effluent
Laboratory analysis — HACH Buffer Standard Solution S11M005 for calibrating pH meters in quality control labs
Environmental field testing — HACH Chemical Test Strips (2793828) for rapid water quality screening
Process water monitoring — HACH Probe LZW5056.97.0002 for ORP measurement in cooling towers
Wastewater treatment — HACH Water Quality Test Kit (2182000) for nitrite monitoring in biological treatment processes

HACH Products

3G Electric supplies HACH ion selective electrodes. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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