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Handheld Data Logging Meter with SD Card
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Dissolved Oxygen Measurements Can Be Compensated for Salt, Altitude and Temperature
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Measures Oxygen Content of a Volume of Air
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Optional ATC for pH Compensation
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Records Max and Min Readings
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Performs Real-Time Automatic Data Logging
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Sampling Time Settable from 1 Sec to 9 Hrs
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Large Easy-to-Read Green Backlit LCD
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Auto Power-Off Function
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View related products - Anemometers & Wind Tunnels
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The HHWT-SD1 is a general purpose handheld instrument capable
of measuring the pH, Oxidation-Reduction Potential (ORP) or
conductivity of a solution, as well as its TDS (Total Dissolved
Solids), DO (Dissolved Oxygen) or salt content. Using the included
conductivity/TDS/salt probe, an optional DO probe, and optional
ORP or pH electrodes the meter can measure pH from 0 to 14,
ORP from -1999 mV to 1999 mV, conductivity up to 200 mS
(milliSiemens), TDS up to 132,000 ppm, DO up to 20 mg/L, and
salt content up to 12% by weight.
The HHWT-SD1 is designed for water conditioning, wastewater
monitoring, beverage production, aquaculture (fish farming),
aquariums, pulp and paper processing, electroplating, and
photography applications. A front-panel pushbutton enables rapid
switching among the meter’s four measurement modes.
Because it is microprocessor-based, the HHWT-SD1 is portable,
reliable and has the large storage capacities that SD memory
cards offer. Measurements can be made automatically at any
sampling rate between one second and nine hours. After timestamping
and storing the measurements on an SD card plugged
into the meter, the user can remove the card and plug it into to a
computer either directly or via a USB card reader. The values are
stored on the card as files with the .xls extension, which can be
opened by Microsoft’s Excel® application.
Specifications
Display Size: 52 x 38 mm (2.05 x 1.5")
Measurement Range:
pH: 0 to 14 (probe sold separately)
ORP: -1999 to 1999 mV (probe sold separately)
Conductivity: Up to 200 mS (microSiemens)
TDS: Up to 132,000 ppm
DO: Up to 20 mg/L (probe sold separately)
Salt: Up to 12% by weight
Measurement Accuracy:
pH: ±(0.02 pH units + 2 digits) (probe sold separately)
ORP: ±(0.5% of reading + 2 digits) (probe sold separately)
Conductivity: ±2% of full-scale reading + 1 digit
TDS: ±2% of full-scale reading + 1 digit
Temperature: ±0.8°C/±1.5°F
DO: ±0.4 mg/L in solution (probe sold separately)
Oxygen: 0.1% for oxygen in air (probe sold separately)
Salt: ±0.5% of value
Temperature Compensation: Automatic between 0 and 65°C (32 and 150°F) with optional ATC temperature probe. Manually settable between 0 and 100°C (32 and 212°F) without ATC probe
Settable Parameters: Date, time, auto power off, beep sound, sampling time, decimal point or comma decimal division, temperature unit, compensation temperature. Also salt and altitude compensation (DO mode only)
Operating Temperature: 0 to 50°C (32 to 122°F)
Meter Dimensions: 135 H x 60 W x 33 mm D (5.31 x 2.36 x 1.30')
Weight: 35 oz (2.19 lb)
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with meter, combination conductivity/TDS/salt probe, hard carrying case, 2 GB SD memory card and operaror’s manual (solutions sold separately).
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