Little Shop of Coral
HM Digital Hydromaster Portable pH/TDS/EC/Temp Monitor
HM Digital Hydromaster Portable pH/TDS/EC/Temp Monitor
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HM-200: Portable pH/EC/TDS/Temp Monitor
The HM-200 is a versatile portable pH/EC/TDS/Temp monitor ideal for all water quality testing, hydroponics, water purification applications, wastewater regulation, aquaculture, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment and more.
FEATURES:
Measures Potential Hydrogen (pH), Electrical Conductivity (EC), Total Dissolved Solids (TDS), Salinity and Temperature
Five scales: pH, µS, mS, ppm 0.5 (NaCl) Scale & 0.7 (442™) Scale
Automatic Temperature Compensation (ATC) using three temperature coefficients
Digital Calibration (push button) to any point within the meter’s range
Auto-off function after 5 minutes, data-hold function and low-battery indicator
Stores up to 20 readings
Large and easy-to-read LCD Screen with backlight display
Displays 3 parameters (pH/EC or TDS/Temp) simultaneously.
Replaceable Sensors (model SP-C2 for Conductivity, SP-P5 for pH)
Factory Calibrated (pH/EC/TDS)
SPECIFICATIONS
Range:
pH Range: 0-14
EC Range: 0-9999 µS/0-20mS
TDS Range: 0-9999 ppm
Temperature Range: 0-55 °C; 32-130 °F
Accuracy:
pH: +/- 0.1
EC: +/- 2%
TDS: +/- 2%
Temp: +/- 1 °C/°F
Resolution:
pH: 0.1
EC: 0.1µS (0-99.9µS), 1µS (100-999µS), 10µS (1000-9990µS), 0.01mS (0.01-20.00mS)
TDS: 0.1 ppm (0-99.9 ppm), 1ppm (100-999 ppm), 10 ppm (1000-9990 ppm)
Temp: 0.1°C, 0.1°F
Dimensions
14 x 6.6 x 2.8 cm / 5.5 x 2.6 x 1.1 in
Total Weight
540g / 1.2 lb
INCLUDES
HM-200 Hydromaster portable monitor
SP-P5 pH probe with 2m/78.7" cable
SP-C2 EC/TDS probe with 2m/78.7" cable
Protective rubber boot for the monitor
2 (AA) alkaline batteries
PH-P4 pH 4 buffer solution sachet
PH-P7 pH 7 buffer solution sachet
Collapsible content
LIGHT
LOW: Place coral at the bottom of the tank. Depending on the type, coral may need to be placed off sand and therefore mounted on a ceramic disc of piece of rock.
MEDIUM: Place coral at mid-range of the tank. Best placed/glued on top of a rock scape at mid-range height.
HIGH: Place coral from mid range to just below water level. SPS coral are shallow growing so they require and are able to tolerate intense light.
FLOW
LOW: Most soft coral do well with a small, gentle pulse. There are certain corals that can even be placed in areas of indirect flow, meaning places aside a rock structure or set into a entrance to a cave style space.
MEDIUM: Many LPS types of coral prefer medium pulse current. Most Euphyllia or corals that have more tissue structure connected to their skeleton, don’t like to be in a high flow area like the direct flow of the wave pump.
HIGH: Similar to high light, SPS enjoy being in some heavy current. Most LPS and SPS that branch encrust or plate prefer high flow that simulates the top water waves.
SKILL
ENTRY: While some may say beginner level, "Entry" is a good term to be used when starting out in the world of corals and marine life. Prior to adding livestock, you want to ensure that your reef has the proper parameters including zero levels of ammonia and nitrite. Seeing traces of nitrate in your waters is a good sign - just keep them at a lower level of 2ppm to 10ppm. Maintaining correct temperature and salinity are a huge factor to stable parameters. Starting to monitor your PH, alkalinity, calcium and magnesium is a great habit to get into to keep a successful reef.
While some soft coral don’t require too much light, having a proper reef light that puts out the proper pars is very important. You'll also want to have a good amount of flow and protected rock areas, as placing corals in their happy spot is ideal for success.
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