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  • Hanna Instruments HI 991405-01 GroChek High Range Waterproof pH/EC/TDS/Temperature Monitor, 115V
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Hanna Instruments HI 991405-01 GroChek High Range Waterproof pH/EC/TDS/Temperature Monitor, 115V

1 customer review

List Price: $192.00
Price: $99.95 & FREE Shipping
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Specifications for this item
Brand Name Hanna Instruments
Part Number HI991405-01
Number of Items 1
Item Weight 1 pounds
Measurement Type Electrical Conductivity , Temperature
UNSPSC Code 42181904

The Hanna Instruments HI 991405-01 GroChek waterproof, wall-m... Read full product description



Product Features

  • Waterproof wall-mounted meter continuously monitors pH, high-range EC/TDS, and temperature in greenhouses, hydroponics, and horticultural applications
  • Calibration and temperature compensation is automatic, and EC/TDS conversion factor and temperature coefficient are user-adjustable
  • Self-check is performed at start-up to assure proper working condition
  • Stability indicator shows when to take reading and Hold feature freezes display for manual recording
  • Accessories include pre-amplified pH electrode, EC probe (fixed), 12VDC adapter, and 20mL sachets of pH 4.01 buffer solution, pH 7.01 buffer solution, and 1288 mS/cm calibration solution

Product Details

User Manual [377kb PDF]
  • Item Weight: 1 pounds
  • Shipping Weight: 2.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B0085WXAW0
  • Average Customer Review: 1.0 out of 5 stars  See all reviews (1 customer review)
  • Amazon Best Sellers Rank: #698,094 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Description

The Hanna Instruments HI 991405-01 GroChek waterproof, wall-mounted meter with backlit LCD screen provides continuous monitoring of pH, high range EC/TDS, and temperature, the most important nutrient parameters in hydroponics, greenhouse, and horticultural applications. At startup, a self-check is performed to assure that the device is functioning properly. The stability indicator shows when to take readings. The Hold feature freezes the display for manual recording. Calibration and temperature compensation is automatic, and the EC/TDS conversion factor and temperature coefficient are user-adjustable for application-specific measurements.

The HI 991405-01 monitor comes with a non-clogging double junction pH electrode, a conductivity probe designed to withstand aggressive environments, a 12VDC adapter, pH buffer solution sachets, and calibration solution.

Specifications

pH range0.00 to 14.00 pH
pH accuracy+ or – 0.1 pH
Conductivity range0 to 20.00mS/cm
Conductivity accuracy+ or – 2% (full scale)
TDS range0.00 to 10.00ppt (g/L)
TDS accuracy+ or – 2% (full scale)
Temperature range0 to 60 degrees C/32 to 140 degrees F
Temperature accuracy+ or – 0.5 degree C/1 degree F
Temperature compensationpH: automatic; EC/TDS: automatic with ß adjustable from 0.0 to 2.4% degrees C
pH probe (included)HI 1293D pH electrode, 1/2-inch NPT pipe thread, DIN connector, and 2m/6.6ft. cable (fixed)
EC/TDS probeHI 7630 conductivity probe with 1/2-inch NPT pipe thread and 2m/6.6ft. cable (fixed)
Power supply12VDC adapter (included)
Weight190g/6.7oz.
Dimensions160 x 105 x 31mm/6.4 x 4.1 x 1.2 inches (H x W x D)

H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

A multiparameter meter is a benchtop or handheld device that can take multiple readings on a single sample. It measures parameters such as the pH level (acidity or alkalinity of a substance), conductivity (the amount of salts or other compounds present in water), dissolved oxygen (DO, the amount of oxygen in a liquid), temperature, total dissolved solids (TDS, anything present in water other than the pure water molecule and suspended solids), salinity, resistivity, and oxidation reduction potential (ORP). Applications for multiparameter meters include water testing, pharmaceuticals, agriculture, winemaking, water-treatment plants, and acquaculture. Devices with a benchtop body are often used for indoor laboratory use or in a manufacturing setting; handheld, portable devices are typically used for fieldwork. Sensors are used with a meter to measure the parameters of a substance.

Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) 9001 standards.

What’s in the Box?
  • HI 991405-01 GroChek high-range pH/EC/TDS/temperature monitor
  • HI 1293D pH electrode, 1/2" NPT pipe thread, DIN connector, 2m/6.6ft. cable
  • HI 7630 conductivity probe
  • (25) HI 70004 pH 4.01 calibration solution sachet, 20mL
  • (25) HI 70007 pH 7.01 buffer solution sachet, 20mL
  • (25) HI 70030 1288 mS/cm calibration solution sachet, 20mL
  • 12VDC adapter
  • Instructions


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Most Helpful Customer Reviews

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Hanna Instruments you should be ashamed of yourself selling a instrument with such a horrible display. It's almost completely unreadable in any light. Yes, it might be "side lit" but even that only makes it worse rather than better. With all lights off the display is almost readable. With any lights on at all - forget it!
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