Inline Conductivity Meter HM SM-1EC
HM Digital SM-1EC Inline Conductivity Meter
Real-time monitoring of your water’s electrical conductivity.
Perfect for RO, DI, watermakers, coolers, and any inline filtration system.
Why Choose the SM-1EC Conductivity Monitor?
- Accurate EC Measurement: Tracks total dissolved solids via conductivity with ±2% precision.
- Easy System Maintenance: Live EC readings tell you exactly when to service filters or resin.
- User-Friendly Display: Single-line digital readout with auto-off after 10 minutes to save battery.
What’s Included
- SM-1EC Inline Monitor: Single-line digital conductivity display.
- 1/4″ T-Fitting: Quick-connect PVC fitting for simple installation.
- Batteries: 2 × LR44 button cells pre-installed (approx. 1000 hrs use).
Compatible With:
- Reverse Osmosis (RO) systems
- Deionization (DI) water systems
- Watermakers and coolers
- Aquarium and hydroponic setups
Specifications
- Range: 0–9990 µS/cm
- Resolution: 1 µS (0–999), 10 µS (1000–9990, with “×10” indicator)
- Accuracy: ±2%
- Conversion Factor: NaCl (avg. 0.5)
- Cable Length: 22″ (including probe)
- Fittings: 1/4″ T-fitting (3/8″ or 1/2″ optional)
- Power: 2 × LR44 button cells (included)
- Battery Life: ~1000 hrs continuous
- Size: 7.6 × 2 × 4.7 cm (3″ × 0.8″ × 1.9″)
- Weight: 79.4 g (2.8 oz)
- Origin: Made in Korea by HM Digital
Applications
- Monitoring RO membrane and DI resin performance
- Ensuring water quality in watermakers and coolers
- Managing conductivity in aquariums and hydroponics
Keep your filtration system performing at its best with the HM Digital SM-1EC—your trusted inline conductivity monitor.
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Estimated Delivery:Aug 31 - Sep 04
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Next Day Dispatch

Inline Conductivity Meter HM SM-1EC
HM Digital SM-1EC Inline Conductivity Meter
Real-time monitoring of your water’s electrical conductivity.
Perfect for RO, DI, watermakers, coolers, and any inline filtration system.
Why Choose the SM-1EC Conductivity Monitor?
- Accurate EC Measurement: Tracks total dissolved solids via conductivity with ±2% precision.
- Easy System Maintenance: Live EC readings tell you exactly when to service filters or resin.
- User-Friendly Display: Single-line digital readout with auto-off after 10 minutes to save battery.
What’s Included
- SM-1EC Inline Monitor: Single-line digital conductivity display.
- 1/4″ T-Fitting: Quick-connect PVC fitting for simple installation.
- Batteries: 2 × LR44 button cells pre-installed (approx. 1000 hrs use).
Compatible With:
- Reverse Osmosis (RO) systems
- Deionization (DI) water systems
- Watermakers and coolers
- Aquarium and hydroponic setups
Specifications
- Range: 0–9990 µS/cm
- Resolution: 1 µS (0–999), 10 µS (1000–9990, with “×10” indicator)
- Accuracy: ±2%
- Conversion Factor: NaCl (avg. 0.5)
- Cable Length: 22″ (including probe)
- Fittings: 1/4″ T-fitting (3/8″ or 1/2″ optional)
- Power: 2 × LR44 button cells (included)
- Battery Life: ~1000 hrs continuous
- Size: 7.6 × 2 × 4.7 cm (3″ × 0.8″ × 1.9″)
- Weight: 79.4 g (2.8 oz)
- Origin: Made in Korea by HM Digital
Applications
- Monitoring RO membrane and DI resin performance
- Ensuring water quality in watermakers and coolers
- Managing conductivity in aquariums and hydroponics
Keep your filtration system performing at its best with the HM Digital SM-1EC—your trusted inline conductivity monitor.
Discover more in our FAQ
What types of industrial water treatment products do you offer?
We offer a comprehensive range of industrial water treatment solutions, including:
Filtration Systems – Effectively removes sediment, chlorine, and other impurities to enhance water purity and system longevity.
Reverse Osmosis Membranes – High-performance purification technology that eliminates dissolved solids, contaminants, and impurities for ultra-pure water.
Membrane Housings – Durable, high-pressure enclosures engineered to protect and optimize the performance of RO membranes.
Filter Cartridges – Precision-engineered sediment, carbon, and specialty filters designed to target specific contaminants for enhanced water treatment efficiency.
Chemical Dosing Systems – Precise chemical treatment for water.
Media FRP Pressure Vessels – High-pressure tanks for filtration media.
Ion Exchange Resins – Softening and demineralization solutions.
Water Instruments – pH meters, conductivity meters, and TDS testers.
Rotameter Flow Meters – Accurate flow measurement devices.
Watermaker Parts – Spare parts for marine and industrial watermakers.
Water Quality Test Kits – Portable and lab testing solutions.
How do I know which product is right for my application?
Choosing the right product depends on:
Water quality parameters (TDS, pH, hardness, contaminants)
Flow rate and pressure requirements
Industry-specific needs (food processing, pharmaceuticals, HVAC, etc.)
If you’re unsure, our technical support team can help you select the best solution.
Do you offer bulk pricing for large industrial orders?
Yes! We provide bulk discounts and custom pricing for high-volume orders. Contact us for a personalized quote.
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions. Expedited shipping options are available upon request.
What is your return policy?
We offer a 14-day return policy from the date of delivery. If you are not completely satisfied with your purchase, you can return the item for a refund or exchange, provided it meets our return conditions.
What happens if I receive a damaged or incorrect item?
If your item arrives damaged or you receive the wrong product, please contact us immediately at support@waterfilter.net.au with photos and your order number. We will send a replacement or issue a refund as per our return policy..
How long does shipping take?
Shipping times depend on location and stock availability. Standard delivery is 3–7 business days for most regions.
Expedited shipping options are available upon request.
Do you ship internationally?
Yes, we offer international shipping for most of our industrial water treatment products. Contact us for custom shipping quotes and lead times.