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HI991301 Portable pH/EC/TDS/Temperature Meter

HI991301 Portable pH/EC/TDS/Temperature Meter

The HI991300 and HI991301 have been designed to offer pH, conductivity (EC), total dissolved solids (TDS), and temperature measurements all in a slim, lightweight, portable unit. From purified to brine water measurement, you can select the meter which will work best with your range of conductivity for greater precision. With just two buttons, users can select from a range of calibration buffers and even the temperature scale (°C or °F) that is most familiar. The housing is waterproof and rated for IP 67 conditions

The HI991300 and HI991301 have been designed to offer pH, conductivity (EC), total dissolved solids (TDS), and temperature measurements all in a slim, lightweight, portable unit. From purified to brine water measurement, you can select the meter which will work best with your range of conductivity for greater precision. With just two buttons, users can select from a range of calibration buffers and even the temperature scale (°C or °F) that is most familiar. The housing is waterproof and rated for IP 67 conditions.

The HI1288 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 HI1288.

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.

Details

hi1288 tip

HI1288 Multiparameter Probe

The HI1288 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
    Easy-to-clean

  • The sensor is easy to clean and maintain by design
    pH sensor with extendable cloth junction

  • The HI1288 multiparameter probe features a cloth junction that can be pulled longer, effectively increasing the life of the probe

 

Features at-a-glance

  • Easy-to-clean and maintain
  • Multi-level LCD display
  • On-screen tutorial messages for calibration and setup
  • Automatic Temperature Compensation
  • Automatic one or two-point pH calibration
  • BEPS: Alerts the user in the even that low battery power could adversley affect the readings
  • Battery % displayed on startup
  • Compact, heavy duty, and waterproof

Specifications

Specifications 
pH Range0.00 to 14.00 pH
pH Resolution0.01 pH
pH Accuracy0.01 pH
pH Calibrationautomatic, 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)
Conductivity Range0.00 to 20.00 mS/cm
Conductivity Resolution0.01 mS/cm
Conductivity Accuracy2% F.S.
TDS Range0.00 to 10.00 ppt (g/L)
TDS Resolution0.01 ppt (g/L)
TDS Accuracy2% F.S.
Temperature Range0.0 to 60.0C / 32.0 to 140.0F
Temperature Resolution0.1C / 0.1F
Temperature Accuracy0.5C /1F
Temperature CompensationpH: automatic; EC/TDS: automatic with β adjustable from 0.0 to 2.4% / °C
EC/TDS Calibrationautomatic, one-point at: 6.44 ppt (CONV=0.5), 9.02 ppt (CONV=0.7), or 12880 S/cm
TDS Conversion Factor0.45 to 1.00
Electrode/ProbeHI1288 PVC body, pre-amplified multiparameter probe with internal temperature sensor, DIN connector and 1m cable
Battery Type/Life1.5V (3) AAA / approximately 500 hours of continuous use; auto-off after 8 minutes of non-use
Environment0 to 50C (32 to 122F); RH max 100%
Dimensions152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight205 g (7.2 oz.)
Ordering InformationHI991301 is supplied with HI1288 multiparameter probe, HI70004 pH 4.01 buffet sachet, HI70007 pH 7.01 buffer sachet, HI70030 12880 S/cm calibration solution sachet, HI70038 6.44 g/L (ppt) calibration solution sachet, HI700661 electrode cleaning solution sachet, batteries, instructions and rugged carrying case.