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Hanna Portable Waterproof pH/EC/TDS Meter (High Range) - HI991301
Specifications
| Country of Origin | India |
|---|---|
| Temperature Accuracy | ±0.5 °C |
| Display | Digital LCD |
| Working Environment | 0 to 50°C; RH max 100% |
| Dimensions | 154 x 63 x 30 mm |
| Temperature Resolution | 0.1 °C |
| Temperature range | -5.0 to 105.0 °C |
| pH Range | -2.00 to 16.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| pH Temperature Compensation | Automatic, 0 to 50°C |
| Automatic Shut-Off | User selectable: after 8 min, 60 min, or disabled |
| TDS Range | 0.00 to 10.00 ppt (g/L) |
| TDS Accuracy | ±2% F.S. |
| TDS Resolution | 0.01 ppt (g/L) |
| EC Range | 0.00 to 20.00 mS/cm |
| EC Resolution | 0.01 mS/cm |
| EC Accuracy | ±2% F.S. |
| EC Calibration | Automatic, 1 point at 12.88 mS/cm |
| TDS Calibration | Automatic, 1 point |
| EC to TDS Conversion Factor | Selectable 0.45 to 1.00 (0.01 increments) |
| mV Accuracy | ±1 mV |
| mV Resolution | 1 mV |
| mV Range | ±825 mV (pH-mV) |
| pH CAL Check (electrode diagnostics) | probe condition indicator |
| IP Protection | IP67 |
| pH Sensor Check | yes |
| Model | HI991301 |
| Weight | 0.196 kg |
| Probe type | HI12883 PVC body, pre-amplified multiparameter probe with internal temperature sensor, 1m cable |
| Measurement Parameters | pH, EC, TDS, Temperature |
| Product Condition | New |
| Temperature Correction Coefficient (β) | Selectable 0.0 to 2.4% /°C |
Key Features
HI991301 Portable Waterproof pH/EC/TDS Meter for laboratory and field multi-parameter analysis.
- Measures pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature in one device.
- High accuracy with ±0.02 pH, ±2% EC/TDS, and ±0.5°C temperature specifications.
- Automatic temperature compensation for precise readings in varying environments.
- Designed with IP67-rated waterproof body and rugged HI12883 multi-parameter probe.
- Automatic calibration, user-selectable shut-off, and extended battery life up to 600 hours.
- Selectable TDS conversion factor (0.45 to 1.00) and temperature coefficient (β) (0.0 to 2.4%).
- Clear digital display with calibration status and probe diagnostics (CAL Check, sensor check).
- Wide measurement range: pH from -2.00 to 16.00, EC 0.00 to 20.00 mS/cm, TDS 0.00 to 10.00 ppt.
- Compact, lightweight (196 g) with dimensions 154 x 63 x 30 mm, ideal for portable use.
- Supplied with HI12883 probe and operates in environments from 0 to 50°C, RH max 100%.
Product Description
The HI991301 Portable Waterproof pH/EC/TDS Meter is a high-performance multi-parameter instrument designed for versatile laboratory and field analysis. It provides direct and accurate measurement of pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature using a single pre-amplified HI12883 probe. This meter is rated IP67 for complete waterproof protection, making it suitable for harsh industrial, environmental, and laboratory scenarios.
Key features include highly accurate readings (±0.02 pH, ±2% EC/TDS, ±0.5°C), automatic temperature compensation for all parameters, and an advanced probe with easy-to-clean sensors and a renewable cloth junction. The meter enables automatic calibration, standardized buffer recognition, and user-selectable TDS factors and temperature coefficients for consistent and reproducible results. Its digital interface displays calibration information, probe diagnostics (including CAL Check and sensor status), and user-selectable shutoff timing (8 min, 60 min, or disabled).
- Measures pH, EC, TDS, and temperature in one meter for comprehensive water quality analysis.
- Wide measurement ranges: pH from -2.00 to 16.00, EC 0.00–20.00 mS/cm, TDS 0.00–10.00 ppt, temperature -5.0 to 105.0°C.
- Automatic calibration and temperature compensation for all readings ensure accuracy and reliability.
- HI12883 multi-parameter probe features internal temperature sensor, quick-connect DIN connector, and durable PVC body.
- Selectable TDS conversion factor (0.45–1.00) and temperature correction coefficient β (0.0–2.4%).
- IP67-rated waterproof meter and probe guarantee durability in challenging laboratory, industrial, and field environments.
- Battery operated (3 x AAA), with up to 600 hours of continuous use.
- Compact and lightweight design (154 × 63 × 30 mm, 196 g) for convenient transport and use on site.
- Used in water treatment, environmental monitoring, food production plants, chemical manufacturing, research laboratories, industrial quality control, and wastewater facilities.
- Supplied with HI12883 probe and operates from 0 to 50°C and up to 100% relative humidity.
Perfect for routine laboratory analysis, industrial process control, agriculture, water and wastewater treatment, food and beverage quality assurance, and environmental field monitoring. Explore more laboratory pH/EC/TDS meters and multi-parameter instruments in EnvMart’s catalogue for elevated measurement performance.
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Frequently Asked Questions
The HI991301 meter measures pH, electrical conductivity (EC), total dissolved solids (TDS), and temperature in one device.
The meter provides highly accurate readings with ±0.02 pH, ±2% for EC/TDS, and ±0.5°C for temperature.
Yes, the HI991301 is rated IP67, making it completely waterproof and suitable for harsh environments.
Automatic temperature compensation adjusts the readings based on the temperature of the sample, ensuring accurate measurements across varying conditions.
The meter operates on 3 AAA batteries and can last up to 600 hours of continuous use.
Yes, the HI991301 features automatic calibration with standardized buffer recognition for consistent results.
The pH measurement range is from -2.00 to 16.00, while the EC range is from 0.00 to 20.00 mS/cm.
The HI991301 meter is compact and lightweight, weighing 196 g with dimensions of 154 x 63 x 30 mm, making it ideal for portable use.
The meter operates effectively in environments ranging from 0 to 50°C and up to 100% relative humidity.
This meter is ideal for water treatment, environmental monitoring, food production, chemical manufacturing, and research laboratories.
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