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I have one of these powder dispensers and really like it. I had not used the unit for approx 5 months, then went to us it yesterday and I could not get it to calibrate with the check weight. The 20gram check weight is suppose to weight 308.6 grains and my scale tells me that it weights 307.9 Also if I run a charge though it of say 50 gr and check that on my RCBS 505 the 505 tells me that the Lyman dispenser is 0.7 grains off. After throwing a charge on the dispenser, I then dump that charge out and place the pan back on the Lyman scale and it does not read 0.0 gr like it should, it says 0.7 That is quit a ways off. I have had this scale for almost 4 years Anyone else had this problem before with this unit. I have used this dispenser for almost 4 years and has always been in the same room in my house and have never had a lick of trouble with it until now. How is Lymans service? As good as RCBS service? I do not want to pay shipping which is probably $30 then pay $75 to fix the dispenser then pay to have it shipped back. | ||
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I had one and sent it back to Cabela's. Not because of inaccuracy though; too f'ing slow... I just use my Uniflow measure now set just short of my desired charge weight and trickle up to the weight.. much faster. I weigh on a Charge Master 750 and check it with a hornady balance.......... | |||
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Did you let it warm up fully? Mine is really flakey if I don't let it warm up for the full 30 minutes. I also own a Pact digital scale, and the Lyman is far steadier and less trouble than the Pact. I installed the "update kit" in the DPS, and it's considerably faster than it was. Unless I'm loading a lot of rounds, it's easier to use a standard powder measure and balance beam scale. However, my DPS is extemely accurate. You cannot discover new oceans unless you have the courage to lose sight of the shore | |||
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Trying setting the pan on the scale and hitting the re-calibrate/zero button once. Then dispense a load and see if that works. Mike Never under estimate the internet community's ability to reply to your post with their personal rant about their tangentially related, single occurrence issue.  What I have learned on AR, since 2001: 1. The proper answer to: Where is the best place in town to get a steak dinner? is…You should go to Mel's Diner and get the fried chicken. 2. Big game animals can tell the difference between .015 of an inch in diameter, 15 grains of bullet weight, and 150 fps. 3. There is a difference in the performance of two identical projectiles launched at the same velocity if they came from different cartridges. 4. While a double rifle is the perfect DGR, every 375HH bolt gun needs to be modified to carry at least 5 down. 5. While a floor plate and detachable box magazine both use a mechanical latch, only the floor plate latch is reliable. Disregard the fact that every modern military rifle uses a detachable box magazine. 6. The Remington 700 is unreliable regardless of the fact it is the basis of the USMC M40 sniper rifle for 40+ years with no changes to the receiver or extractor and is the choice of more military and law enforcement sniper units than any other rifle. 7. PF actions are not suitable for a DGR and it is irrelevant that the M1, M14, M16, & AK47 which were designed for hunting men that can shoot back are all PF actions. 8. 95 deg F in Africa is different than 95 deg F in TX or CA and that is why you must worry about ammunition temperature in Africa (even though most safaris take place in winter) but not in TX or in CA. 9. The size of a ding in a gun's finish doesn't matter, what matters is whether it’s a safe ding or not. 10. 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact. 11. Never buy a WSM or RCM cartridge for a safari rifle or your go to rifle in the USA because if they lose your ammo you can't find replacement ammo but don't worry 280 Rem, 338-06, 35 Whelen, and all Weatherby cartridges abound in Africa and back country stores. 12. A well hit animal can run 75 yds. in the open and suddenly drop with no initial blood trail, but the one I shot from 200 yds. away that ran 10 yds. and disappeared into a thicket and was not found was lost because the bullet penciled thru. I am 100% certain of this even though I have no physical evidence. 13. A 300 Win Mag is a 500 yard elk cartridge but a 308 Win is not a 300 yard elk cartridge even though the same bullet is travelling at the same velocity at those respective distances. | |||
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The only time I've had trouble with mine is when using a cordless phone near it, or when a kernel of powder gets stuck between the load cell pad and the dispenser housing. I too upgraded with the $21 DPS III kit making it much faster to dispense and clean, as fast as the RCBS from what I've read. I leave mine on all the time to eliminate the warm up time, it's been on for about two years now with no problems, got that tip from Lyman service....now if only I could figure out how to make it quit beeping so the wife will quit ragging on me about it!! http://www.midsouthshooterssupply.com/item.asp?sku=000157752428 | |||
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I always let the scale warm up the full 30 min. I also have left it on for months at a time. I have also tried to hit the calibrate/zero button with the pan on the scale on it. Before I use it again, I want it to properly calibrate with the 20g check weight. I have a balance scale and a trickler, but prefer to use the dispenser. | |||
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try a diffrent location maybe something interfering with it? I have a lyman autoscale and comaring it to other scales it also is off about.7 grains. | |||
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Does your 20g weight check out on the balance scale ,as 20g's.....You may need to clean under the DPS scale .... Once you push calibrate (and hold it for awhile) and it asks for the 20 g weight,once the 20 g weight is on the scale you push calibrate "quickly" the -308.5 should show up.then you should place the powder measure on the scale .and push calibrate one more time,and this zeros the scale ....The DPS has good and bad days at my house,just running the press to hard can jar the scale ,and then you have to recalibrate all over again.....and some loads ,just aren't liked by the DPS and some are ....no ryme to reason....BB34 | |||
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The 20g weight does check out as good on my RCBS 505 balance scale. The Lyman is on the same bench, in the same room, and the bench is in the same spot in that room that it has always been. I don't think there is anything interfering with it. I called Lyman and I will just send it in. The lady on the phone said that I will not have to pay for the fix. She said that they only recently began charging for fixing the original 1200 DPS. I just didn't want to have to send it in. Oh well. | |||
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+ 1 on the cellphone. It rally affects the accuracy on my DPSII within a 10' proximity. If I forget and bring the cellphone within range I found I have to turn the DPSII off and do the warm up and calibrate again. Regards, Bob. | |||
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