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Waterproof Portable pH/Temperature Meter

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Waterproof Portable pH/Temperature Meter

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The HI991001 meter features a large multi level LCD screen which displays both pH and temperature readings simultaneously with 0.01 pH resolution and an accuracy of ±0.05 pH. The LCD screen also has indicators for calibration status and stability, as well as on-screen tutorial messages. The HI991001 has many advanced features that are found in more expensive portable instrumentation including automatic calibration, buffer recognition,and temperature compensation. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available.

Features at-a-glance

Waterproof
  • Designed to float if accidentally dropped in a tank
Expanded pH Range
  • pH range is from -2.00 to 16.00 pH
Automatic Two-Point Calibration
  • One or two-point calibration is automatic to two selectable buffer sets (4.01, 7.01 and 10.01 or NIST 4.01, 6.86, and 9.18).
Automatic Temperature Compensation
  • All readings are compensated for variations in temperature
  • Temperature displayed in °C or °F along with pH reading
Stability Indicator
  • Meter displays a clock tag that will disappear when the reading has achieved stability
HOLD button
  • Freezes reading on the display to allow recording of measurement
BEPS (Battery Error Prevention System)
  • Meter will automatically shut off if there is not enough power to get an accurate measurement
Battery % level at startup 

Low Battery Indicator
  • When the level is below 5%, the  battery symbol on the LCD blinks to indicate a low battery condition.
Auto-Off
  • Meter automatically shuts off after 8 minutes of non-use to maximize battery life
 
pH Range  -2.00 to 16.00 pH
pH Resolution  0.01 pH
pH Accuracy  ±0.02 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)
Temperature Range  -5.0 to 80.0°C / 23.0 to 176.0°F
Temperature Resolution  0.1°C / 0.1°F
Temperature Accuracy  ±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)
Temperature Compensation  automatic from -5.0 to 80.0ºC (23 to 176ºF)
Electrode/Probe  HI1296D pre-amplified pH probe with internal temperature sensor, DIN connector and 1 m (3.3’)  cable (included)
Battery Type/Life  1.5V (3) AAA / approximately 1200 hours of continuous use; auto-off after 8 minutes of non-use
Environment  0 to 50°C (32 to 122°F); RH max 100%
Dimensions  152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight  205 g (7.2 oz.)
Ordering Information  HI991001 is supplied with HI1296D pH probe with internal temperature sensor, HI70004 pH  4.01 buffer sachet (20 mL), HI70007 pH 7.01 buffer sachet (20 mL), HI700601 electrode  cleaning solution sachet (2 x 20 mL), batteries, instructions, and rugged carrying case.
Description

Details

Details

The HI991001 meter features a large multi level LCD screen which displays both pH and temperature readings simultaneously with 0.01 pH resolution and an accuracy of ±0.05 pH. The LCD screen also has indicators for calibration status and stability, as well as on-screen tutorial messages. The HI991001 has many advanced features that are found in more expensive portable instrumentation including automatic calibration, buffer recognition,and temperature compensation. The battery percent level is displayed at start up alerting the user to the remaining battery power that is available.

Features at-a-glance

Waterproof
  • Designed to float if accidentally dropped in a tank
Expanded pH Range
  • pH range is from -2.00 to 16.00 pH
Automatic Two-Point Calibration
  • One or two-point calibration is automatic to two selectable buffer sets (4.01, 7.01 and 10.01 or NIST 4.01, 6.86, and 9.18).
Automatic Temperature Compensation
  • All readings are compensated for variations in temperature
  • Temperature displayed in °C or °F along with pH reading
Stability Indicator
  • Meter displays a clock tag that will disappear when the reading has achieved stability
HOLD button
  • Freezes reading on the display to allow recording of measurement
BEPS (Battery Error Prevention System)
  • Meter will automatically shut off if there is not enough power to get an accurate measurement
Battery % level at startup 

Low Battery Indicator
  • When the level is below 5%, the  battery symbol on the LCD blinks to indicate a low battery condition.
Auto-Off
  • Meter automatically shuts off after 8 minutes of non-use to maximize battery life
 
pH Range  -2.00 to 16.00 pH
pH Resolution  0.01 pH
pH Accuracy  ±0.02 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)
Temperature Range  -5.0 to 80.0°C / 23.0 to 176.0°F
Temperature Resolution  0.1°C / 0.1°F
Temperature Accuracy  ±0.5°C (up to 60°C); ±1.0°C (outside) / ±1°F (up to 140°F); ±2.0°F (outside)
Temperature Compensation  automatic from -5.0 to 80.0ºC (23 to 176ºF)
Electrode/Probe  HI1296D pre-amplified pH probe with internal temperature sensor, DIN connector and 1 m (3.3’)  cable (included)
Battery Type/Life  1.5V (3) AAA / approximately 1200 hours of continuous use; auto-off after 8 minutes of non-use
Environment  0 to 50°C (32 to 122°F); RH max 100%
Dimensions  152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight  205 g (7.2 oz.)
Ordering Information  HI991001 is supplied with HI1296D pH probe with internal temperature sensor, HI70004 pH  4.01 buffer sachet (20 mL), HI70007 pH 7.01 buffer sachet (20 mL), HI700601 electrode  cleaning solution sachet (2 x 20 mL), batteries, instructions, and rugged carrying case.
Additional Information

Additional Information

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