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RCBS Charge Master 1500 problem

This is a discussion on RCBS Charge Master 1500 problem within the Ammunition forums, part of the M14 M1A Forum category; Are these junk???? I just received mine and it is going back tomorrow morning....... After calibration (per manual) The scale works fine all by it ...


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Old February 9th, 2011, 07:07 PM   #1
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RCBS Charge Master 1500 problem

Are these junk???? I just received mine and it is going back tomorrow morning.......

After calibration (per manual) The scale works fine all by it self and is accurate with check weights. But when I enter a charge weight to be despensed (50gn), it despenses that amount (according to the scale). I then cross check the charge weight with my Dillon beam scale (that was calibrated with check weights also) and now that 50gn charge actually weighs 51.7gn. I think what the $@!#. So I pour the powder back into the Charge Master tray and set it on the scale. Now the digital scale reads 52 grains.....I get the same results with different charge weights. I'm thinking BIG POS!!!


Last edited by Twinson; February 9th, 2011 at 07:23 PM.
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Old February 9th, 2011, 07:29 PM   #2
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I have heard good and bad. I have also read comments about programing fixes, so maybe it won't be too hard to get corrected?

I'd love the time saving aspect, but I can't make myself trust them enough. I trickle and weigh every one, but I am WAY too anal. Good luck!

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Old February 9th, 2011, 07:31 PM   #3
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That sucks, I have had no problems with mine at all

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Old February 9th, 2011, 08:02 PM   #4
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Try the PACT electronic scale and dispenser. Perfect every time and the slickest setup I have ever seen! Good luck

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Old February 9th, 2011, 09:09 PM   #5
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Not a good feeling when you can't trust a new piece of equipment.

I have verified dozens of charges on mine with a beam-type scale and have encountered only minor variations (0.1gr).

Although I haven't had any problems with mine, I understand that some folks have issues with the unit's sensitivity: it is generally recomended to not use the ChargeMaster under fluorescent lights, not to coil the power cord, and to make sure the unit is level.

Reprogramming can help with the accuracy of some loads based on when the dispensing unit slows down to drop the final grains of powder (25gr default I think). Some also reprogram to speed up the dispensing process.

The ChargeMaster has a good reputation, and RCBS is a great company. Since you are asking for opinions, mine is to give them a chance to make it right for you.

Good luck whatever you do!

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Old February 9th, 2011, 09:34 PM   #6
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I have a RCBS Rangemaster 750 and it's dead on with my Dillon beam

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Old February 10th, 2011, 05:45 AM   #7
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It's an electronic measure and as such it can fail just like anything else. I have a beam scale that measures the same charge different everytime. My chargemaster works like a champ. Call RCBS they have some of the best Customer Service in the industry. These things do get shipped all around the world and can take a good bump or two along the way. Give 'em a call first before labeling the device as a big POS and see if they can fix the issue and make it right.

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Old February 10th, 2011, 02:03 PM   #8
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My first Chargemaster 1500 went "bad" on me shortly after one year. The unit would consistenly throw an additional .5 grain higher than it should. Mine was out of warranty, but RCBS examined it and found it to be a bad load sensor. They replaced it with a new unit for $40'ish dollars.

Since then, my new one has performed well, with the usual .1gr variance.

I did read up on them on the 6MMBR forum and the folks over there reported that some conditions can cause consistency issues with the CM1500.

- avoid using in extreme heat/cold
- use a line filter to condition the power
- avoid close proximity to flourescent lighting
- use a fixed, solid base to avoid any un-necessary movement

Overall, I'm really pleased with it, even though this is my second unit.

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Old February 10th, 2011, 02:52 PM   #9
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What does florescent lighting do to them?

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Old February 10th, 2011, 03:03 PM   #10
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Chargemaster

I've been using one since they were first introduced.

Thousands of rounds, no problems.

KG

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Old February 10th, 2011, 08:23 PM   #11
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Quote:
Originally Posted by tmcfalls View Post
What does florescent lighting do to them?
Some folks claim that the interference from the ballasts can cause instability. Personally, I've never been able to validate that as I have incandescent lighting in the garage.

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Old February 11th, 2011, 11:32 AM   #12
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Fluorescent and halogen lights can introduce noise into a power line that has a negative effect on the operation of sensitive electronics that are on the same circuit.

A line filter should resolve such issues. Even better is to use a line filter on a different circuit than the lights and avoid the problem completely. Incandescent lights generally do not have this problem (incandescent bulbs on dimmer switches can sometimes be problematic).

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Old February 11th, 2011, 12:27 PM   #13
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My PACT also suggests a "warm-up" period of one hour prior to use. Maybe the RCBS is the same.

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Old February 11th, 2011, 07:20 PM   #14
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I've been using the RCBS for a couple years now, along with two other shooting buddies (three of us bought it together). Never had an issue like that before. Always cross check the first couple charges and every 20 after that. Never had any problems, other than throwing a charge a little too heavy once in a while. Hope they make it right for you.

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Old February 11th, 2011, 07:27 PM   #15
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Quote:
Originally Posted by GoingDeaf View Post
Never had any problems, other than throwing a charge a little too heavy once in a while.
If you don't mind my asking, how much is "a little too heavy"?

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