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The HI-991301 is a lightweight, 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.
Benefits
The HI-991301 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.
The HI-12886 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℃.
Each meter is supplied complete with:
Specifications
| pH Range | -2.00 to 16.00 pH* |
| pH-mV | ±825 mV (pH-mV) |
| EC | 0.00 to 20.00 mS/cm** |
| TDS | 0.00 to 10.00ppt (g/L) |
| Temperature Range | -5.0 to 105.0℃ |
| pH Resolution | 0.01 pH |
| pH-mV Resolution | 1 mV |
| EC | 1µS/cm |
| TDS | 1ppm (mg/L) |
| Temperature Resolution | 0.1℃ |
| pH Accuracy @20℃ | ±0.02 pH |
| pH-mV | ±1 mV |
| EC/TDS | ±2%F.S. |
| Temperature Accuracy | ±0.5℃ |
| 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 50deg. |
| 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℃ (32 to 122deg. F); RH max 100% |
| Dimensions | 154 x 63 x 30 mm |
| Weight | 196 g |
| Case Protection Rating | IP67 |
Data sheet
Our standard delivery is 3-5 working days (where products are available) Monday to Friday, excluding public holidays when you order by 2pm. Details of our returns and cancellation policy can be found in our Returns Policy & Section 11 of our Terms and Conditions. For more information please contact us on 01924 444 577 or Email Us.
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Ideal for routine applications and student training.
Good value for money: no fancy bells and whistles which sounds good but are rarely used.
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