HI-991300 Waterproof pH, EC, TDS and Temperature Meter with Advanced Features
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HI-991300
The HI-991300 is a light weight, portable pH, conductivity and temperature meter for portable applications requiring both a pH and conductivity measurement. Applications include measurements for greenhouses irrigation, hydroponics and groundwater monitoring from agriculture nutrient pollution.
The HI-991300 meter features two operation button and is simple to use. All operations and settings, including calibration buffers and temperature scale selections, are made through these two buttons. It has a waterproof and compact casing rated for IP67 conditions and a large tri-line display. The meter has automatic pH calibration at one or two points and a single conductivity calibration. Other user selectable features include different TDS factors from 0.45 to 1.00, and a range of temperature coefficients from 0.0 to 2.4% for better conductivity or TDS solution temperature compensation. The meter is supplied with a multi-parameter probe specifically designed for this meter.
Each meter is supplied complete with:
- HI-12883 pH/EC/TDS probe with built-in temperature sensor, DIN connector and 1mm cable
- pH 4.01 & 7.01 buffer sachets
- HI-70031 1413 µS/cm and HI-70032 1382 ppm 1 sachet of each
- HI-700601 Electrode cleaning solution (2 sachets)
- 100ml beaker
- Alkaline batteries: 1.5V AAA x 3
- Rugged carrying case
- Calibration certificate of meter
- Calibration certificate of probe
- Instruction manual
Main features:
- Simultaneous, pH, EC/TDS and temperature measurements on a large three line LCD display
- Selectable temperature unit
- pH electrode condition display
- mV of pH measurement for electrode check
- Last calibration points pH and EC
- HI-12883 dedicated pH/EC/TDS/temperature probe
- Probe quick connect system
- Battery life indication and low battery detection
- Auto-off function
- Keystroke confirmation tone
- Waterproof casing IP67
About the HI-12883 probe
The HI-12883 multi-parameter probe, incorporates a domed shaped pH bulb rated from 0-13 pH, a single junction Ag/Cl reference electrode with gelled electrolyte and a retractable cloth wick junction, a graphite EC/TDS cell, and a temperature sensor in one convenient, rugged polypropylene body. In addition, to ensure against interference from transient electrical noise to pH, a solid-state pre-amplifier is integrated into the probe. The probe is rated from 0 to 50°C.
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| pH Range | -2.00 to 16.00 pH* | |
| pH-mV | ±825 mV (pH-mV) | |
| EC | 0 to 3999µS/cm (displays µS for µS/cm) | |
| TDS | 0 to 2000ppm | |
| Temperature Range | -5.0 to 105.0°C | |
| pH Resolution | 0.01 pH | |
| pH-mV Resolution | 1 mV | |
| EC | 1µS/cm | |
| TDS | 1ppm (mg/L) | |
| Temperature Resolution | 0.1°C | |
| pH Accuracy @20°C | ±0.02 pH | |
| pH-mV | >±1 mV | |
| EC/TDS | ±2%F.S. | |
| Temperature Accuracy | ±0.5°C | |
| pH Electrode | HI-12883 pH/EC/TDS temperature sensor, Quick Connect DIN connector and 1 m (3.3') cable (included); please note: HI-12883 is limited to be used from 0 to 13 pH and from 0 to 50° | |
| TDS Conversion factor | Selectable from 0.45 to 1.00 with 0.01 increments | |
| Battery Type / Life | 3 x 1.5V AAA / approx. 600 hours of continuous use | |
| Environment | 0 to 50°C (32 to 122°F); RH max 100% | |
| Dimensions | 154 x 63 x 30 mm | |
| Weight | 196 g | |
| Case Protection Rating | IP67 |
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