Specifications

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Reading Range

  • -30 to +80 °C (-22 to +176 °F)

Accuracy

  • ±1 °C (1.8 °F)
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Measurement Frequency

  • Once every 15 mins (for 2 month of data)
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Wireless Signal Range

  • Up to 8 meters*
  • Up to 26 feet*
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Dimensions

  • 38 x 38 x 12 mm (1.5 x 1.5 x 0.5 inches) 
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Temperature Cable Length

  • 40cm (16 inches)/ 3m (10 feet)
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Battery Life

  • Up to 4 months after installation
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Data Communication and Analysis

  • Android and iOS mobile app
  • Giatec 360 Cloud Dashboard
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Standards

  • ASTM C1074 (Approved by ACI 318, CSA A23.1, most of USDOT specifications)

FAQs

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How long is the battery life?
The battery life is about 4 months under room temperature.
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Do MTO and DOTs allow this method of concrete strength measurement?
The strength estimation according to the concrete maturity method as described in the ASTM C1074 has been specified by many DOTs in the US as well as the CSA. Here is the clause from CSA:

"4.4.6.4.5 In-place strength
4.4.6.4.5.1 Test procedures
Unless otherwise specified by the owner, the in-place strength shall be determined in accordance with CSA A23.2-14C, CSA A23.2-15C or ASTM C1074 for the purposes of determining:
(a) when forms shall be removed or when prestressing or post-tensioning shall be applied; (b) when curing shall be terminated; and (c) when re-shores shall be removed."

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What are the wires sticking out of the SmartRock?
You will find two short metal wires and a slightly longer black wire sticking out of the SmartRock device. The end of the black wire is the temperature sensor, while the two short metalic wires are used to activate the sensor and to secure it to the rebar.
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What is the maximum depth I can place the SmartRock?
We recommend a maximum depth of 5cm (2 inches) to ensure that the signals from the sensor are strong enough. The signal strength weakens as you place the sensor deeper.
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Can I get SmartRock with longer thermocouple cables?
Yes. Please ask for customized length when you are ordering your SmartRock package. You can get this cable as long as 10 ft.

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