Dawson DDM450 & 453 Auto-Range Digital Multimeters
Dawson DDM450 & 453 Auto-Range Digital Multimeters
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Product Description
Compact and versatile, these multimeters offer one-handed operation and professional-grade functionality. For professionals, amateurs, and everything in between, they’re designed for troubleshooting household electrical and automotive problems Read More

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SaskAudioGuy
373
Mar 15, 2019
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I'm glad I got the 453 last time this was up. It comes in a lousy plastic packaging. So I opened it up. Oh my the stink and the rubber feels nasty. The ETL Certification number on the back doesn't seem to apply or I can't find it as applying to these models. The Intertek certification applies to the DDM450B and DDM453B. I found a little crappy voltage probe on home despot with the same ETL certification number. Intertek 3080912 The cables actually seem to be properly rated but they are PVC and nickel plated. 1000V at 80'C according to the stricter Canadian tests, 2000V for the American certifications. Nothing glorious just 18AWG rated but the probes are nice and thickly molded so they should be comfy. They lack any strain relief though. It comes with a super crappy HD 9V battery. It actually has a manual with some actual usable instructions and the english isn't too bad. The meter won't flex when I tried to bend and twist it, but it did groan and squeak a little. But it's so light... I don't expect it to have much inside. Edit: grabbed the new spec sheet from Dawson Tools. It says CE/ETL but leaves off the logo, the 453B is bluetooth enabled and it shows off the ETL logo proudly. DDM453: www.dawsontools.com/datasheets/DDM453_Data_Sheet.pdf DDM453B: http://www.dawsontools.com/datasheets/DDM453B_Data_Sheet.pdf Hmm... I even chased the models I found with the same intertek code, and nothing. It's a cheap but capable meter made by Mastech in China and likely resold under a half dozen names. Little off putting that it's not listed anywhere in the intertek listings, so I think it never made it to the testing and the company says it should meet the requirements, good enough right? This way they can sell their stock carrying the logo and number. Heh Edit2: Upon opening the thing I was pleasantly surprised. It's actually kind of proper and it uses UR listed components. It's also apparently quite easy to hack the controller and make some real improvements.
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The battery cover screws thread into brass inserts but the body is plastic screws. Here's a link to the walkthrough about the DTM0660L controller: http://www.kerrywong.com/2016/03/19/hacking-dtm0660l-based-multimeters/ Of course modifying your meter voids the warranty but the warranty only applies in the US anyway. So you have to think about whether or not its worth the risk to yourself, the meter, and possibly others if you make dangerous modifications.
(Edited)
Mar 15, 2019
Vladistic
2
Mar 11, 2019
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can't pick the 453? anyone else having this issue?
Mar 11, 2019
FSEChang
30
Mar 15, 2019
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Same here. Maybe only offered a few 453. Or all 6 sold are the 453s. Which would be unfortunate.
Mar 15, 2019
stowbari
23
Dec 26, 2018
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Does this have a UL or other safety listing from a recognized testing lab?
Dec 26, 2018
xjsc16x
6
Jan 23, 2019
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Data sheet says CE/ETL
Jan 23, 2019
Franky
28
Dec 23, 2018
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The 450 has the 9V and 1.5V quick test...is that any more accurate/conveinent that using the 453 in the standard V test mode? I have a cheap $5 multimeter now looking to get something a bit better quality - particular the wiring of the test leads. Also, is this better buy than say Fluke's 101 Basic Digital Multimeter ($39 on amazon)?
(Edited)
Dec 23, 2018
justmethanks
0
Dec 22, 2018
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Does either meter include any kind of stand? I can't find pictures of the back.
Dec 22, 2018
epic_ziver_D
18
Mar 11, 2019
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( ok it old but whatever ) I have the 453 and it does have a kickback style stand which is OK
Mar 11, 2019
rob-okray
180
Oct 11, 2018
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I ordered the 453. For $1 more, I figure it's a no brainer. I have two more DMM's, but can never find one when I need one. This way, If I ever mange to find all 3, I can have 1 in the garage toolbox, one in the basement workshop toolbox and one in the house.
Oct 11, 2018
smallbit
1165
Sep 29, 2018
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Why would anyone buy the 450 over the 453?
Sep 29, 2018
Gunnersmate2
1455
Sep 29, 2018
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I've been an electrician for 10 years and while in the US Navy I did a lot of electronics troubleshooting on the 5"54Mk2 gun mount and have done a lot of electronics schooling. I am a Fluke man through and through. Having said that I have to say Dawson multimeters are accurate and reliable meters from my experience. Dawson meters are a great value.
Sep 29, 2018
Fuzz
358
Oct 5, 2018
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I find it hard to buy anything but Flukes, and they last forever too..
Oct 5, 2018
Gunnersmate2
1455
Oct 5, 2018
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I agree
Oct 5, 2018
riffrafff
65
Aug 23, 2018
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Do these come with a certificate of calibration?
Aug 23, 2018
Trabant
1
Jun 30, 2018
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I assume that for 453 we would have to buy the temperature adapter separately somewhere?
Jun 30, 2018
JTrubs
194
Jul 18, 2018
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The 453 comes with the thermocouple leads in addition to regular test leads.
Jul 18, 2018
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Nov 15, 2019
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I'm glad I got the 453 last time this was up. It comes in a lousy plastic packaging. So I opened it up. Oh my the stink and the rubber feels nasty. The ETL Certification number on the back doesn't seem to apply or I can't find it as applying to these models. The Intertek certification applies to the DDM450B and DDM453B. I found a little crappy voltage probe on home despot with the same ETL certification number. Intertek 3080912 The cables actually seem to be properly rated but they are PVC and nickel plated. 1000V at 80'C according to the stricter Canadian tests, 2000V for the American certifications. Nothing glorious just 18AWG rated but the probes are nice and thickly molded so they should be comfy. They lack any strain relief though. It comes with a super crappy HD 9V battery. It actually has a manual with some actual usable instructions and the english isn't too bad. The meter won't flex when I tried to bend and twist it, but it did groan and squeak a little. But it's so light... I don't expect it to have much inside. Edit: grabbed the new spec sheet from Dawson Tools. It says CE/ETL but leaves off the logo, the 453B is bluetooth enabled and it shows off the ETL logo proudly. DDM453: www.dawsontools.com/datasheets/DDM453_Data_Sheet.pdf DDM453B: http://www.dawsontools.com/datasheets/DDM453B_Data_Sheet.pdf Hmm... I even chased the models I found with the same intertek code, and nothing. It's a cheap but capable meter made by Mastech in China and likely resold under a half dozen names. Little off putting that it's not listed anywhere in the intertek listings, so I think it never made it to the testing and the company says it should meet the requirements, good enough right? This way they can sell their stock carrying the logo and number. Heh Edit2: Upon opening the thing I was pleasantly surprised. It's actually kind of proper and it uses UR listed components. It's also apparently quite easy to hack the controller and make some real improvements. [image] The battery cover screws thread into brass inserts but the body is plastic screws. Here's a link to the walkthrough about the DTM0660L controller: http://www.kerrywong.com/2016/03/19/hacking-dtm0660l-based-multimeters/ Of course modifying your meter voids the warranty but the warranty only applies in the US anyway. So you have to think about whether or not its worth the risk to yourself, the meter, and possibly others if you make dangerous modifications.