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from: Hanna Instruments
Binding: Unknown Binding
Brand: Hanna Instruments
Item Dimensions: 6
Label: Hanna Instruments
Manufacturer: Hanna Instruments
MPN: HI9813
Publisher: Hanna Instruments
Studio: Hanna Instruments
Features:- Hand held form factor
- one electrode
- 4 parameters with one probe
Related Items:
Editorial Review:
Product Description:
This meter is identical to the HI 9813-0, with the addition temperature measurement and Hannas new Cal-Check calibration feature. This feature enables the grower to verify that the electrode is clean and calibrated in just seconds. Hanna GroChek Portable pH/TDS/EC/°C Meter HI 9813-6 - pH, EC, TDS and °C in the Palm of Your Hand Four Meters in One The portable HI 9813-6 is an extremely convenient tool, measuring four of the most important parameters in agriculture with a single instrument One Probe for pH, EC, TDS and °C The rugged and replaceable HI 1285-6 probe has been specially designed with fast response technology and measures all parameters at the same time. Specifically Designed The EC range has been extended and in the TDS range, the advanced HI 9813-6 uses the 4-4-2 conversion factor for growing applications. This meter is a versatile, easy to use portable instrument engineered for use with all growing applications.The convenient HI 9813-6 allows you to measure pH, EC conductivity and TDS with just one instrument The specially engineered HI 1285-6 probe is interchangeable and the pH electrode utilizes a cloth junction and gel electrolyte which are particularly suitable when used in fertilizer solutions. This probe has also been designed with Hannas Fast Response Probe FRP technology to allow quicker reaction time to changing conditions. Calibration is reduced to one point in the pH mode, and one point in the EC/TDS mode. EC/TDS measurements are automatically compensated for changes in temperature. The meter has a Battery Error Prevention System BEPS which will not allow readings when the battery level is too low for accurate measurements. With all these features HI 9813-6 is an excellent addition to your growing tool chest. HI 9813-6 is supplied complete with HI 1285-6 probe with Cal-Check featur
Average Rating: 
Rating: -
This is my second 9813 in three weeks. The first one did not
give the pH above 3.5 no matter what I put the probe in. It
was returned and a new one was shipped in it's place.
The second one worked well for one day then began to read
a pH of 7 and EC and PPM of 0.00. I thought that the probe
junction connector to the meter was bad because twisting
the connector sometimes gave results. I contacted Hanna and
they said that they would replace the probe and cable but I
was not sure if the connector or the pins were bad.
Today, the meter reads pH sometimes and will not read EC or
PPM at all.
It is hard to operate a hydroponic system without knowing the
pH and EC. This meter just is not reliable and I am going to
return it and try another brand.
I worked as an analyzer technician for 15 years so I am
familiar with instruments.
Feb 18, 2010 ***********************
Hanna contacted me and said that they had problems
with this meter and revised to a newer type.
They sent me one free of charge. I was very impressed that
they did this. Excellent service to a customer's problem!
They really cared!!
New meter works fine. This is a great combo meter for a
hobbyist or for a pro. I can't imagine that a hydroponic
operator could need anything better since this has pH, EC
and PPM digital readout and is temperature compensated.
I would now give it a 5 star rating.
Val Garon
Prairieville, La
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