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ASTM-F1496:2012 Edition(Redline)

ASTM-F1496:2012 Edition(Redline)

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F1496-12 Standard Test Method for Performance of Convection Ovens (Redline)

Published By Publication Date Number of Pages
ASTM 2012 35
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Significance and Use

5. Significance and Use Top Bottom

5.1 Thermostat Calibration??? This test is conducted to ensure that all test results are determined at the same bulk oven cavity air temperature.

5.1.1 The results of the following tests can be used by an operator to select a convection oven based on its energy consumption performance or its cooking performance. Also, the results allow an operator to understand an oven’s energy consumption.

5.2 Energy Input Rate??? This test is used to confirm the test oven’s rated input and to ensure its proper operation during all testing.

5.3 Fan and Control Energy Rate??? Information from this test can be used to estimate the cost of electricity required to operate a gas oven. This cost can be added to the cost of gas consumed to estimate the total cost of energy necessary to operate the oven.

5.4 Pilot Energy Rate??? This test provides a measure of a gas oven’s energy consumption rate during periods when its burner is not on.

5.5 Preheat Energy Consumption and Time??? This test provides a measure of time and energy required to preheat the oven cavity from ambient temperature to the thermostat set point temperature.

5.6 Idle Energy Rate??? This test provides a measure of an empty oven’s energy consumption at a typical cooking temperature setting. It also provides an indicator of the combined effectiveness of components of the oven’s design (for example, insulation, door seals, and combustion efficiency) that influence its energy consumption.

5.7 Cooking Energy Efficiency??? This test provides a measure of the oven’s energy efficiency while heavy loads of a standard food product are being cooked.

5.8 Production Capacity??? This test provides information that allows an operator to select an oven that matches food output requirements.

5.9 Cooking Uniformity??? This test provides information regarding the oven’s ability to cook food at the same rate throughout the oven’s cavity.

5.10 White Sheet Cake Browning??? This test provides information regarding the oven’s ability to brown white sheet cakes uniformly through its cavity.

5.11 Bakery Steam Performance??? This test provides information on a bakery convection oven???s ability to consistently create steam for a baking cycle.

1. Scope

1.1 This test method covers the energy consumption and cooking performance evaluation of convection ovens. The test method is also applicable to convection ovens with limited moisture injection. The results of applying it can be used by the food service operator to select a convection oven and to understand its energy consumption and performance.

1.2 This test method applies to general purpose, full-size, and half-size convection ovens and bakery ovens used primarily for baking food products. It is not applicable to ovens used primarily for slow cooking and holding food product, to large roll-in rack-type ovens, or to ovens that can operate in a steam-only mode (combination ovens).

1.3 This test method is intended to be applied to convection ovens that operate close to their rated input in the dry heating mode, with the circulating fan operating at its maximum speed.

Note 1 ??? Ovens that can operate in steam-only mode should be evaluated using ASTM F2861 .

1.4 The oven’s energy consumption and cooking performance are evaluated in this test method specifically with respect to the following:

1.4.1 Thermostat calibration ( 10.2 ),

1.4.2 Energy input rate and preheat energy consumption and time ( 10.3 ),

1.4.3 Pilot energy rate (if applicable) ( 10.4 ),

1.4.4 Idle energy rate ( 10.5 ),

1.4.5 Cooking energy efficiency and production capacity ( 10.6 ),

1.4.6 Cooking uniformity ( 10.7 ),

1.4.7 White sheet cake browning ( 10.8 ), and

1.4.8 Bakery steam mode, if applicable ( 10.9 ).

1.5 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D3588 Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels

ASHRAE Documents

ASHRAEGuideline2-198 (RA90) Engineering Analysis of Experimental Data

AOAC Document

AOACOfficialAction98 Moisture (Loss of Mass on Drying) in Frozen French-Fried Potatoes.

Keywords

browning; convection oven; cooking energy efficiency; cooking uniformity; energy efficiency; energy input; energy performance; preheat energy; preheat time; production capacity; productivity;

ICS Code

ICS Number Code 97.040.20 (Cooking ranges, working tables, ovens and similar appliances)

DOI: 10.1520/F1496-12 ASTM International is a member of CrossRef.

Citing ASTM Standards

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