Mid-sized microwave reviews

More microwaves now feature sensor programs. CHOICE assesses how well they work.
 
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  • Updated:9 Apr 2009
  • Author:Chris Barnes  Chris Barnes Google Plus
  • rateraterateraterate: Member rating
 

01 .Introduction

Microwave reviews

Ten mid-sized microwave ovens on test, priced from $179 to $299

In microwaves, sensor programs work by measuring the amount of vapour emitted during cooking to control the cooking time and power level. They should eliminate the need for guesswork – about time, weight or quantity of the food – to achieve your desired results.

Similar to auto functions, sensor microwaves have a preset list of foods the sensor program can be used with. Automatic programs are based on pre-programmed times and require you to enter the portion size and select the food type, while manual mode involves entering the power level, time and weight of the food, using the instruction manual or onscreen prompts as a guide.

Sensor programs are a good feature to have, however you may need to experiment a little and use the “time-adjust while cooking” function to get the desired result, or use the manual mode.

Please note: this information was current as of April 2009 but is still a useful guide to today's market. For a more recent report, see our Microwaves Review 2011.


Our testing

To take the guesswork out of choosing a good microwave, we assess their performance by:

  • Defrosting mince and whole chicken.
  • Cooking broccoli and rice.
  • And reheating a non-stirrable food and a typical plated meal.
  • We also look at ease of use and cleaning.

Microwave brands tested

  • # Panasonic Inverter NN-ST657W
  • Samsung MW103H
  • Sanyo Family Size EMS8597W
  • Sanyo Mid Size EMS6786V
  • Sharp Carousel R330JS
  • # Whirlpool X2-30ES/S

Sensor models

  • LG MS3448GRK
  • # Panasonic Inverter Genius NN-ST667W
  • Samsung Smart Sensor ME6124ST
  • # Sharp Carousel R350LW

# Discontinued model. Availability and prices checked in September 2010.

 
 

 
The following models scored the best results in our test.
What to buy
Brand Price
# Panasonic Inverter NN-ST657W $239
Samsung MW103H $179
LG MS3448GRK $249

Most microwaves performed quite well overall, so look closely at the results table to find the model that best matches your cooking habits.

# Discontinued model. Availability and prices checked in September 2010.

Results table

Full results for all models are shown in the table below.

  Performance
Brand / model (in rank order) Overall score (%) Cooking score (%) Ease of use score (%) Broccoli (%) Rice (%) Defrost mince (%) Defrost whole chicken (%) Reheat non-stirrable food (%) Reheat typical meal (%) Price ($)**
# Panasonic Inverter NN-ST657W (A)
www.panasonic.com.au
86 93 70 100 80 100 100 76 100 239
Samsung MW103H
www.samsung.com.au
86 91 73 100 100 100 80 93 70 179
LG MS3448GRK
www.lge.com.au
83 88 70 100 80 82 90 77 100 249
Sharp Carousel R330JS
www.sharp.net.au
80 84 70 100 80 100 80 76 65 230
# Panasonic Inverter Genius NN-ST667W (A)
www.panasonic.com.au
79/82 (B) 86 / 90 (B) 63 100 80 100 90 44 / 71 (B) 100 299
# Sharp Carousel R350LW
www.sharp.net.au
77/79 (C) 78 / 81 (C) 74 100 60 / 80 (C) 85 80 73 70 241
Sanyo Family Size EMS8597W
www.sanyo.com.au
74 76 70 100 80 78 60 71 65 239
Samsung Smart Sensor ME6124ST
www.samsung.com.au
72 82 48 100 100 76 80 72 65 299
# Whirlpool X2-30ES/S
www.whirlpool.com.au
72 74 67 80 80 100 70 49 65 259
Sanyo Mid Size EMS6786V
www.sanyo.com.au
66 73 50 100 80 100 60 27 70 229
 

  Features
Brand / model (in rank order) Auto-cook Auto-reheat Sensor cook/reheat Quick / boosted start Time-adjust during cooking Number of power levels Delayed start or preset cooking Kitchen timer
# Panasonic Inverter NN-ST657W (A)
www.panasonic.com.au
10
Samsung MW103H
www.samsung.com.au
• (D) 10
LG MS3448GRK
www.lge.com.au
10
Sharp Carousel R330JS
www.sharp.net.au
5
# Panasonic Inverter Genius NN-ST667W (A)
www.panasonic.com.au
• (E) 10
# Sharp Carousel R350LW
www.sharp.net.au
5
Sanyo Family Size EMS8597W
www.sanyo.com.au
• (D) 10
Samsung Smart Sensor ME6124ST
www.samsung.com.au
10
# Whirlpool X2-30ES/S
www.whirlpool.com.au
10
Sanyo Mid Size EMS6786V
www.sanyo.com.au
5
 

  Features Specifications
Brand / model (in rank order) Kitchen timer Program Pre-programmed Multi-stage cooking Claimed volume (L) Wattage (W) Claimed external dimensions (cm, W x H x D)* Usable cavity dimensions (cm, W x H x D)* Turntable diameter (cm)*
Panasonic Inverter NN-ST657W (A)
www.panasonic.com.au
32 1100 52 x 30 x 40 38 x 23 x 37 35
Samsung MW103H
www.samsung.com.au
28 1000 52 x 30 x 38 35 x 23 x 35 32
LG MS3448GRK
www.lge.com.au
34 1100 56 x 32 x 44 37 x 25 x 38 36
Sharp Carousel R330JS
www.sharp.net.au
1100 52 x 31 x 45 37 x 22 x 38 32
Panasonic Inverter Genius NN-ST667W (A)
www.panasonic.com.au
32 1100 52 x 30 x 40 38 x 23 x 37 35
Sharp Carousel R350LW
www.sharp.net.au
1100 52 x 31 x 45 37 x 23 x 37 32
Sanyo Family Size EMS8597W
www.sanyo.com.au
34 1000 54 x 30 x 45 38 x 22 x 41 32
Samsung Smart Sensor ME6124ST
www.samsung.com.au
34 1000 52 x 30 x 42 37 x 22 x 38 32
Whirlpool X2-30ES/S
www.whirlpool.com.au
900 54 x 30 x 45 35 x 22 x 36 31
Sanyo Mid Size EMS6786V
www.sanyo.com.au
28 900 52 x 34 x 41 34 x 22 x 36 32
 

Table notes

* Measured to the nearest cm.
(A) Minor cosmetic change in July 2009.
(B) Overall score and cooking performance score calculated using sensor function score / manual setting score for reheating a non-stirrable food.
(C) Overall score and cooking performance score calculated using sensor function score / manual setting score for cooking rice.
(D) On auto function only.
(E) On sensor function only.
(F) Sharp doesn't specify capacity in litres; it's classed as “mid-sized”.

# Discontinued model. Availability and prices checked in September 2010.

Using the table

Scores
The overall score is made up of:

  • Cooking score: 70%
  • Ease of use score: 30%

Features: See What to Look For

Wattage: Mid-sized microwaves have a range of 900W-1100W. The higher the wattage, the faster the food will cook.

Price: Recommended retail, as of March 2009.

How we test

Cooking

  • Our tester uses a sensor program where one is available, otherwise she uses the auto program, and for models that don’t have that, manual mode is used.
  • She defrosts mince meat and a whole chicken. In both cases it’s easy for parts of the food to start cooking if the auto-defrost time is too long, or if the oven’s microwave distribution is not even.
  • She cooks broccoli to assess whether the oven overcooks vegetables. She also cooks rice, which requires a uniform temperature and specific power level.
  • Our tester reheats a typical meal, and a non-stirrable, high-fat food and measures whether it is heated evenly throughout and to a high enough temperature. She also checks if there is any drying of the outside edges.

Ease of use

  • Our tester checks that controls are intuitive, easy to operate and the instructions easy to follow, as well as the effectiveness of the light and if there is a large viewing window that is easy to see through. She also checks that the interior and exterior are easy to clean.

Profiles - what to buy

# Panasonic Inverter NN-ST657W

Panasonic Inverter NN-ST657WPrice $239
Claimed volume 32L

Good points

  • Best overall performer.
  • Excellent cooking performance score.
  • Excellent results for broccoli, defrosting mince and chicken, and reheating a meal.
  • Good for ease of use.
  • Equal best for ease of cleaning.

Bad points

  • Difficult to see the food through the door during use.

Samsung MW103H

Samsung MW103HPrice $179
Claimed volume 28L

Good points

  • Excellent cooking performance score.
  • Excellent results for cooking broccoli, rice, defrosting mince and reheating quiche.
  • Good for ease of use.
  • Has very good through the door visibility when in use.
  • Cheapest model tested.
  • Has audible prompts that can be turned on or off.

Bad points

  • The cavity has many small holes that can accumulate dirt, making cleaning difficult.

LG MS3448GRK

LG MS3448GRKPrice $249
Claimed volume 34L

Good points

  • Very good cooking performance score.
  • Excellent results for cooking broccoli, defrosting chicken and reheating a meal.
  • Good for ease of use.
  • The digital display gives step-by-step word prompts.
  • Has a sensor cook and reheat function that works well.
  • Has the largest turntable diameter and a round internal cavity which maximises the useable space.
  • Comes with a handy plastic plate and bowl-shaped cover.

Bad points

  • The cavity has many small holes that can accumulate dirt, making cleaning difficult.
  • Has no multistage programming option.

 

Profiles - the rest

All have a child lock, auto defrost, and none have a keep warm function, nor can their light globes be changed by the user.

SHARP Carousel R330JS

Price: $230 SHARP Carousel R330JS
Claimed volume: ‘mid-sized’

Good Points

  • Very good cooking score.
  • Excellent results for broccoli and defrosting mince.
  • Good for ease of use, with well grouped controls and a clear digital display.

Bad Points

  • Only scored 65% for reheating a meal.
  • Many small holes on the inside of the microwave that can accumulate dirt.

# PANASONIC Genius NN-ST667W

PANASONIC Genius NN-ST667WPrice: $299
Claimed volume: 32L

Good Points

  • Good cooking score – and better still when using manual mode for reheating a meal.
  • Excellent results for broccoli, defrosting mince and chicken, and reheating a meal.
  • Has a sensor cook and reheat function.

Bad Points

  • Expensive.
  • Just OK for visibility through door during use.
  • Only scored 63% for ease of use.
  • Poor result for reheating a non-strirrable food on sensor mode, but improved to 71% when re-tested using manual mode.

# SHARP Carousel R350LW

Price: $241 SHARP Carousel R350LW
Claimed volume: ‘mid-sized’

Good Points

  • Good cooking score – and better still when using manual mode for cooking rice.
  • Excellent result for cooking broccoli.
  • Highest ease of use score.
  • Has intuitive controls and labelling.
  • Large digital display with step-by-step word prompts.
  • Has a sensor cook and reheat function.
  • Good through the door visibility.

Bad Points

  • Low score for cooking rice on sensor mode, but improved to 80% when re-tested using manual mode.
  • Many small holes on the inside of the microwave that can accumulate dirt.

SANYO Family Size Microwave EMS8597W

SANYO Family Size Microwave EMS8597WPrice: $229
Claimed volume: 34L

Good Points

  • Good cooking score.
  • Excellent result for cooking broccoli.
  • Good result for ease of use.
  • Has intuitive controls and labelling, with good contrast.
  • Equal best cleaning score.

Bad Points

  • Only OK result for visibility through door during operation.
  • Only scored 60% for defrosting chicken and 65% for reheating a typical meal.
  • Digital display words are a little small.

SAMSUNG Sensor Smart ME6124ST

Price: $299 SAMSUNG Sensor Smart ME6124ST
Claimed volume: 34L

Good Points

  • Very good cooking score.
  • Excellent results for cooking broccoli (on the sensor program) and rice.
  • Sound function whereby indicator sounds can be turned on or off.
  • Has a sensor cook/reheat function.

Bad Points

  • Expensive.
  • Only scored 65% for reheating a meal.
  • Poor result for ease of use.
  • Has very small labelling.
  • Has many small holes on the inside of the microwave that can accumulate dirt.
  • Stainless steel panel on the front of the microwave may require extra attention when cleaning.
  • Very poor visibility through door during operation.

# WHIRLPOOL X2-30ES/S

WHIRLPOOL X2-30ES/SPrice: $259
Claimed volume: ns

Good Points

  • Good cooking score.
  • Excellent result for defrosting mince.

Bad Points

  • Only scored 49% for reheating a non-stirrable food.
  • Only OK result for visibility through door during operation.
  • Has the smallest turntable area.
  • Expensive for a smaller model.

SANYO EMS6786V

SANYO EMS6786VPrice: $199
Claimed volume: 28L

Good Points

  • Good cooking score.
  • Excellent result for broccoli and defrosting mince.

Bad Points

  • Lowest overall performer – just OK overall result.
  • Poor result for reheating a non-stirrable food.
  • Only scored 50% for ease of use.
  • Poor visibility through door during operation.
  • Most of the controls are behind the door so programs and times must be set with the door open.
  • Has many small holes on the inside of the microwave that can accumulate dirt.
  • Stainless steel panel on the front of the microwave may require extra attention when cleaning. .

# Discontined model. Availability and prices checked in September 2010.

Essential microwave features

  • Microwave panelControls Look for easy-to-use controls and good instructions on the display.
  • Visibility A bright interior light and large, clear viewing window enable you to check your food as it’s cooking.
  • Cleaning Look for holes and gaps inside the microwave that can trap food and grease.
  • Size Make sure you can fit your microwave-safe cooking dishes – take those you’re likely to use to the shop with you. Also, you need about 10cm of space around the outside of the oven for ventilation, plus 20cm above it.

Features worth having

The results table lists which models have the following features.

  • Automatic functions for defrosting, cooking and reheating are convenient. Automatic defrost usually asks you to enter the weight and type of food, and the oven calculates the time – all models in this test have this feature.
  • Sensor cooking Look for a good selection of auto or sensor programs for foods that you often cook or reheat. One disadvantage of sensor cooking is that you can’t tell how long it will take, as no time is displayed until the last few minutes of the cooking time. Also, if the sensing process is interrupted by opening the door or stopping the microwave, an error code appears and you need to start the sensor process from the beginning – you can’t simply continue as this may cause food to be overcooked.
  • Quick/boost start is a handy way of starting the oven, usually by pressing a single button. With most models, the cooking time increases in one- or half-minute steps if you press the button again. It’s particularly handy for reheating.
  • Time-adjust during cooking allows you to increase or decrease the time programmed during cooking.
  • Multistage programming Models with this feature can be programmed to perform a sequence of functions, such as defrost, cook then leave to stand. All except the LG have this function.
  • A child safety lock allows you to push a sequence of buttons to deactivate the microwave. All models have this feature.
  • Kitchen timer A stand-alone kitchen timer can be used to time other things, such as boiling an egg.

For people with a disability

  • If you have hand weakness or dexterity problems, both Panasonics, both Sharps, and the Samsung MW103H are suitable as their door latches are large and easy to open with the palm of the hand.
  • The latter three models and the LG are also suitable for someone with vision or cognitive impairment, as visibility through their doors during cooking is good and the digital displays are large and clear. Their control panels have good colour contrast, are grouped intuitively and are easy to understand. The Sharp Carousel R350LW and LG also have step-by-step word prompting instructions.

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