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Hanna pH Meter, pHep5, HI98128 (HI 98128)
 
Mfr. Name: Hanna
Mfr. Cat. No: HI 98128
$91.00 Free Shipping
Hanna Conductivity Tester DiST 5 HI98311 (HI 98311)
 
Mfr. Name: Hanna
Mfr. Cat. No: HI 98311
$91.00 Free Shipping
Hanna COMBO Tester, HI98129 (HI 98129)
 
Mfr Name: Hanna
Mfr. Cat. No: HI 98129
 $146.00 Free Shipping

pH & PPM Measuring Basics

Parts per million (PPM) is a way of expressing percent (%) in small amounts. In hydroponics, it is used to express the quantity of one amount of material dissolved into another (salts into a volume of water). Most plants do well between 1000 and 2000 PPM (0.1% to 0.2 % of dissolved salts). The PPM is therefore controlled by the amount of dissolved salts used. PPM is measured electronically on meters. In Europe, the Siemen or E.C. is used I E.C. or 1 Siemen = 1 mho/cm of conductivity. To convert E.C. or Siemen to PPM, multiply them by 650. The Mho is the reciprocal of the Ohm of electrical resistance.
Technical data (PPM, pH and element concentrations) are listed on the technical data sheets

pH is the measurement of the acidity or alkalinity of the soil or growing medium. A pH of 7 is considered neutral. A pH below 7 is acid and above 7 is alkaline. Most plants want a pH of between 5 and 7 (slightly acid). Use pH-Up and pH-Down to adjust the acid/alkaline balance to be what your plants need. When selecting different plants, you should take the pH into consideration so that all plants in each system have similar pH and PPM requirements. pH adjustments can be made with either liquid or powder. we  sell both, as well as calibration fluids to guarantee accuracy of test equipment. A wide range of pH measuring equipment is available from us.

Rule of thumb for adjusting pH - go slow! Correct the pH a little bit, then measure until you get a feel for which way things are going. If you go too far with pH adjustments, you can really upset your system.

Caution: Do not exceed a pH of 7 - a nutrient lockup can occur depriving your plants of essential elements.

Always use rubber gloves when handling concentrated pH adjusting materials like phosphoric, sulfuric or nitric acid, or potassium or sodium hydroxide. The pH adjusting materials that we sell are all primary plant nutrients in their own right. We do not recommend using sodium hydroxide or vinegar for adjusting the pH.

 

 

 

 

Hanna pH Meter, pHep5, HI98128 (HI 98128)

Mfr. Name: Hanna Instruments
Mfr. Cat. No: HI 98128
 


Cat. No. - NC-7315
Price - $91.00 To our Retail Customers..

Free Shipping


 

This portable tester measures pH in a range of 0.00 to 14.00 with a resolution of 0.01 pH and Temperature (°C/°F).

Key features...

  • Replaceable pH electrode with renewable cloth junction.
  • Stability of reading and ATC (automatic temperature compensation) indicators.
  • Switchable between °C and °F.
  • HOLD function temporarily holds display so you can view a single reading.
  • Battery level indicator.
  • Automatic 1 or 2 point calibration.
  • Meter is waterproof and it floats.
  • Dual line LCD displays pH and temperature.
  • Unique renewable cloth electrode junction - when clogged, simply pull a short length out, snip off old section, and expose fresh material.

pHep5 Specifications...

  • Ranges:
    • pH 0.00 to 14.00
    • Temp 0.0 to 60.0 °C (32.0 to 140.0 °F).
  • Resolution:
    • pH 0.01
    • Temp 0.1
  • Accuracy:
    • pH ±0.05
    • Temp ±0.5 ±C (±1 °F)
  • pH Calibration: Automatic one or two point with two sets of memorized buffers:
    • pH 4.01 / 7.01 / 10.01 (Standard set).
    • pH4.01 / 6.86 / 9.18 (NIST set).
  • Temp. Compensation: Automatic (user may disengage).
  • Environment: Use meter from 0 to 50°C (32 to 122°F); RH 100%.
  • Battery Type/Life: 4 x 1.5V w/ Battery error prevention system/350 hours.
  • Auto Shut-off: After 8 minutes.
  • LCD: Custom, dual-level.
  • Casing: Waterproof, 100% buoyancy.
  • Stability indicator: Illuminates when pH reading is stable.
  • Dimensions: 163 x 40 x 26mm (6.4 x 1.6 x 1.0 inches).
  • Weight: 85g (3.0oz).
Available Accessories...
Replacement pH Electrode HI73127 (HI 73127) NC-7279 $41.00
pH Buffer Solution, 4.01, 20ml NC-8712 $1.50
pH Buffer Solution, 7.01, 20ml NC-8711 $1.50
pH Buffer Solution, 10.01, 20ml NC-8710 $1.50
pH Buffer Solution, 4.0, 16oz. G-2008 $14.00
pH Buffer Solution, 7.0, 16oz. G-2009 $14.00
pH Buffer Solution, 10.0, 16oz.  G-2010 $14.00

 

 

Hanna Conductivity Tester DiST 5 HI98311 (HI 98311)

Mfr. Name: Hanna
Mfr. Cat. No: HI 98311

 



Price - $91.00 To our Retail Customers..
Free Shipping
 

 

This Hanna DiST 5 portable water test meter measures Conductivity (µS/cm), Total Dissolved Solids (ppm), and Temperature (°C/°F).

Key features...

  • Battery life percentage indicator.
  • Adjustable TDS to conductivity ratio for greater accuracy.
  • Stability of reading and ATC (automatic temperature compensation) indicators.
  • Switchable between °C and °F.
  • Adjustable temperature coefficient factor (BETA) for more precise temperature compensation.
  • Easy one point automatic calibration (requires 1413 µS/cm calibration solution NC-4277, sold separately).
  • Meter is waterproof and it floats.
  • Dual line LCD displays conductivity(EC) or total dissolved solids(TDS) plus temperature.

DiST 5 Specifications...

  • Ranges:
    • EC 0 to 3999 µS/cm.
    • TDS 0 to 1999 ppm.
    • Temp 0.0 to 60.0 °C (32.0 to 140.0 °F).
  • Resolution:
    • EC 1 µS/cm.
    • TDS 1 ppm.
    • Temp 0.1.
  • Accuracy:
    • EC ±2% full scale.
    • TDS ±2% full scale.
    • Temp ± 0.5 °C (± 1 °F).
  • EC/TDS Calibration:  Automatic 1 point at 1413 µS/cm.
  • EC/TDS Conversion Factor:  Adjustable from 0.45 to 1.00.
  • Temp. Compensation:  EC/TDS: with ß=0.0 to 2.4%/°C.
  • Environment:  Use meter from 0 to 50°C (32 to 122 °F); RH 100%.
  • Battery Type/Life:  4 x 1.5V (included) w/ Battery error prevention system/500 hours.
  • Auto Shut-off:  After 8 minutes.
  • LCD:  Custom, dual-level.
  • Casing:  Waterproof, 100% buoyancy.
  • Stability indicator:  Illuminates when reading is stable.
  • Dimensions:  163 x 40 x 26mm (6.4 x 1.6 x 1.0 inches).
  • Weight:  85g (3.0oz).

Hanna Part Number: HI 98311

 

Hanna COMBO Tester, HI98129 (HI 98129)

Mfr Name: Hanna Instruments
Mfr. Cat. No: HI 98129
 


Cat. No. - NC-9092
Price - $146.00 To our Retail Customers..
Free Shipping
 

 

This portable waterproof instrument offers high accuracy pH, EC/TDS and temperature readings in a single tester! No more switching between meters for your routine measurements.

Key features...

  • Replaceable pH electrode with renewable cloth junction
  • EC/TDS graphite electrode
  • Dual-level LCD displays pH or EC/TDS and Temperature simultaneously
  • Switchable between °C and °F
  • pH and EC/TDS readings are automatically temperature compensated
  • Battery level indicator

Automatic one or two point calibration (requires pH and EC/TDS calibration solutions sold separately). Meter is waterproof and it floats. Dual line LCD displays pH and temperature. Unique renewable cloth electrode junction - when clogged, simply pull a short length out, snip off old section, and expose fresh material.

COMBO Specifications...

  • Ranges:
    • EC 0 to 3999 µS/cm.
    • TDS 0 to 2000 ppm.
    • pH 0.00 to 14.00.
    • Temp 0.0 to 60.0 °C (32.0 to 140.0 °F).
  • Resolution:
    • EC 1 µS/cm.
    • TDS 1 ppm.
    • pH 0.01
    • Temp 0.1 °C or 0.1°F.
  • Accuracy (@20 °C):
    • EC/TDS ±2% F.S.
    • pH ±0.05.
    • Temp ± 0.5 °C or ±1 °F.
  • Temp. Compensation:
    • pH: automatic
    • EC/TDS: with ß=0.0 to 2.4%/°C.
  • Calibration:
    • pH: Automatic 1 or 2 point w/ 2 sets of memorized buffers.
    • EC/TDS: Automatic at 1 point.
  • EC/TDS Conversion factor: 0.45 to 1.00 (CONV).
  • Environment: Use meter from 0 to 50°C (32 to 122 °F); RH 100%
  • Battery Type/Life: 4 x 1.5V w/ Battery error prevention system/100 hours.
  • Auto Shut-off: After 8 minutes.
  • LCD: Custom, dual-level.
  • Casing: Waterproof, 100% buoyancy.
  • Stability indicator: Illuminates when reading is stable.
  • Dimensions: 163 x 40 x 26mm (6.4 x 1.6 x 1.0 inches).
  • Weight: 85g (3.0oz).
  • Warranty: One year.

Available Accessories...

Replacement pH Electrode HI73127 (HI 73127) NC-7279 $41.00
pH Buffer Solution, 4.01, 20ml NC-8712 $1.50
pH Buffer Solution, 7.01, 20ml NC-8711 $1.50
pH Buffer Solution, 10.01, 20ml NC-8710 $1.50
pH Buffer Solution, 4.0, 16oz. G-2008 $14.00
pH Buffer Solution, 7.0, 16oz. G-2009 $14.00
pH Buffer Solution, 10.0, 16oz. G-2010 $14.00
Conductivity Solution- 1413µS, 500ml NC-4277 $13.95
Conductivity Solution- 1413µS, 20ml. NC-9431 $1.50

 

 

The Nutra-Wand

The Nutra-Wand offers the precision
measurement of the nutrient strength in your
plant feed solution, allowing you to
achieve maximum performance from
your plants.

Model:

 RS-100A

 Measuring  Range:

  4 - 44 CF
 0.4 - 4.4 EC
 280 - 3080 ppm

 Resolution:

 1 CF unit (0.1 EC)

 Accuracy:

 4%

 Temp:

 5 - 50°C (ATC)

 ACCURATE NUTRIENT METER • AUTO ON/OFF
FULLY WATERPROOF • TEMPERATURE COMPENSATED
FACTORY CALIBRATED • 2 YEAR GUARANTEE