Professional Salinity Meter for Saltwater Aquariums & Reef Tanks
The HM Digital SAL-1700 Aquarium Salinity Meter is the essential tool for maintaining optimal salinity levels in saltwater aquariums, reef tanks, and marine aquaculture. This professional-grade digital meter measures salinity in multiple units (Specific Gravity, PPT, PSU) plus temperature, providing accurate, reliable readings to ensure the health and vitality of your fish, corals, and invertebrates.
Key Features & Benefits
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Multi-Unit Display: Measures salinity in Specific Gravity (SG), Parts Per Thousand (PPT), and Practical Salinity Units (PSU) for maximum flexibility
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Integrated Temperature Sensor: Simultaneous temperature measurement with automatic temperature compensation (ATC) for accurate salinity readings
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High Precision: Accurate salinity measurement ensures optimal conditions for marine life
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Large LCD Display: Easy-to-read screen shows salinity and temperature simultaneously
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Waterproof Design: Durable construction withstands splashes and wet environments
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Auto-Off Function: Conserves battery life with automatic shutoff after 10 minutes of non-use
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Calibration Function: Simple calibration ensures long-term accuracy
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Portable & Convenient: Compact design perfect for testing aquariums, mixing stations, and water changes
Why Salinity Monitoring is Critical
Salinity is one of the most important parameters in saltwater aquariums. Maintaining stable salinity levels is essential for:
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Fish Health: Prevents osmotic stress, disease susceptibility, and mortality in marine fish
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Coral Growth: Ensures optimal conditions for SPS, LPS, and soft coral calcification and coloration
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Invertebrate Survival: Shrimp, anemones, clams, and other invertebrates are extremely sensitive to salinity fluctuations
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System Stability: Consistent salinity prevents stress-related issues and maintains biological balance
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Water Changes: Verify new saltwater mix matches your display tank before adding
Applications
Saltwater & Reef Aquariums: Monitor salinity levels in FOWLR (Fish Only With Live Rock) and reef tanks to maintain optimal conditions. Most marine systems target 1.025-1.026 SG (35 PPT) for fish and corals.
Mixing Stations: Verify salinity when preparing new saltwater for water changes, ensuring perfect match to your display tank.
Marine Aquaculture: Maintain precise salinity in breeding systems, quarantine tanks, and commercial marine fish operations.
Brackish Water Systems: Measure salinity for brackish species like puffers, scats, and monos that require specific salinity ranges.
Natural & Artificial Seawater: Test salinity in collected seawater or verify synthetic salt mix concentration.
Technical Specifications
- Model: SAL-1700
- Salinity Range: 0-70 PPT / 0-70 PSU / 1.000-1.070 SG
- Salinity Resolution: 1 PPT / 1 PSU / 0.001 SG
- Salinity Accuracy: ±2% Full Scale
- Temperature Range: 0-60°C (32-140°F)
- Temperature Resolution: 0.1°C / 0.1°F
- Temperature Accuracy: ±1°C / ±2°F
- ATC: Automatic Temperature Compensation
- Display: Large dual-line LCD
- Auto-Off: After 10 minutes
- Calibration: User calibration function
- Power: 2 x LR44 button cell batteries (included)
- Dimensions: Compact handheld design
- Weight: 5.7 oz
- Waterproof: Splash-resistant design
- Country of Origin: Korea
- Barcode: 617629781809
- SKU: 50043
How to Use
- Turn on the SAL-1700 meter
- Rinse the probe with fresh water and dry
- Immerse the probe in your aquarium water or saltwater sample
- Wait for reading to stabilize (approximately 30 seconds)
- Read salinity (SG/PPT/PSU) and temperature on the LCD display
- Rinse probe with fresh water after each use
Calibration: Calibrate periodically using standard calibration solution for continued accuracy.
What's Included
HM Digital SAL-1700 salinity meter, protective cap, 2 x LR44 batteries, and instruction manual.
Made in Korea by HM Digital, a trusted manufacturer of professional water testing equipment for aquarium, hydroponics, and water quality applications.
Maintain perfect salinity and protect your marine investment with the HM Digital SAL-1700. Accurate, reliable, and easy to use—it's an essential tool for every saltwater aquarist.
