Hanna HI-991301 Portable Waterproof pH/EC/TDS Meter (High Range)
The HI991301 is designed to measure pH, conductivity (EC), total dissolved solids (TDS), and temperature with a single probe. From setup to calibration all operations are performed with just two buttons. The meter is waterproof and rated for IP 67 conditions.
The HI12883 pre-amplified multiparameter probe features an easy-to-clean sensor and a cloth junction that can be renewed to increase the life of the probe. To ensure against interference from transient electrical noise, a solid-state amplifier is integrated into the HI12883.
User-selectable features include different TDS factors from 0.45 to 1.00 and a range of temperature coefficients (β) from 0.0 to 2.4% for greater consistency and reproducibility. Standardized buffer recognition values are also selectable.
These instruments easily fit in the palm of your hand and the bottom probe connection ensures the electrode cable doesn’t get in your way. The large, multi-level LCD displays the primary reading, temperature, and calibration guides simultaneously.
HI12883 Multiparameter Probe
The HI12883 multiparameter probe includes pH, EC/TDS, and temperature measurement. A solid-state pre-amplifier is integrated into the probe to protect against interference from transient electrical noise.
- Amperometric conductivity probe
- Built-in temperature sensor
- The sensor is easy to clean and maintain by design
- pH sensor with extendable cloth junction
- The HI12883 multiparameter probe features a cloth junction that can be pulled longer, effectively increasing the life of the probe
3 sensors in a single probe
pH electrode – Preamplified for resistance to electrical noise including that generated by pumps and ballast
EC/TDS sensor – amperometric two pole design
Temperature – NTC sensor for accurate temperature measurement and compensation
Wide pH Range
Selectable EC to TDS conversion factor
- Automatic Temperature Compensation
BEPS (Battery Error Prevention System
- Battery % level at startup
- Low Battery Indicator
Specifications Hanna HI-991301 Portable Waterproof pH/EC/TDS Meter
|Product Name||Portable Waterproof pH/EC/TDS Meter (High Range) – HI991301|
|pH Range||-2.00 to 16.00 pH; -2.0 to 16.0 pH|
|pH Resolution||0.01 pH; 0.1 pH|
|pH Accuracy||±0.02 pH; ±0.1 pH|
|pH Calibration||automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)|
|pH Temperature Compensation||automatic 0 to 50 °C; 32 to 122 °F|
|pH CAL Check (electrode diagnostics)||probe condition indicator|
|pH Sensor Check||yes|
|mV Range||±825 mV (pH‐mV)|
|mV Resolution||1 mV (pH‐mV)|
|mV Accuracy||±1 mV (pH‐mV)|
|EC Range||0.00 to 20.00 mS/cm|
|EC Resolution||0.01 mS/cm|
|EC Accuracy||±2% F.S.|
|EC Calibration||automatic, one-point at 12.88 mS/cm|
|TDS Range||0.00 to 10.00 ppt (g/L)|
|TDS Resolution||0.01 ppt (g/L)|
|TDS Accuracy||±2% F.S.|
|EC/TDS Temperature Compensation||automatic|
|Temperature Correction Coefficient||β selectable from 0.0 to 2.4 %/ °C with 0.1 increments|
|EC to TDS Conversion Factor||selectable from 0.45 to 1.00 with 0.01 increments|
|Temperature Range||‐5.0 to 105.0 °C; 23.0 to 221.0 °F|
|Temperature Resolution||0.1°C; 0.1°F|
|Temperature Accuracy||±0.5°C; ±1°F|
|pH/EC Probe||HI12883 PVC body, pre-amplified multiparameter probe with internal temperature sensor, quick connect DIN connector and 1m cable|
|Automatic Shut-Off||user selectable|
|Battery Type/Life||1.5V (3) AAA / approximately 600 hours of continuous use|
|Environment||0 to 50°C (32 to 122°F); RH max 100%|
|Dimensions||154 x 63 x 30 mm (6.1 x 2.5 x 1.2”)|
|Weight||196 g (6.91 oz.)|
|Ordering Information||HI991301 is supplied complete with HI12883 pH/EC/temperature probe, pH 4.01 calibration buffer sachet (1), pH 7.01 calibration buffer solution sachet (1), HI70030 12.88 mS/cm calibration solution sachet (1), HI70038 6.44 ppt calibration solution sachet (1), HI700601 electrode cleaning solution sachet (2), 100 mL beaker (1), batteries, calibration certificates for both meter and probe, instruction manual, and rugged thermoformed carrying case.|
Hanna HI-991301 – Manual
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