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| Reviews Summary for Daiwa CN-101L 1.8 to 150 mHz peak reading wattmete |
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Reviews: 23
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Average rating: 3.3/5
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MSRP: $89.95
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Description: Cross Needle SWR & Power meter, panel back-lighted.
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write your own review of the Daiwa CN-101L 1.8 to 150 mHz peak reading wattmete.
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VE3MIG
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Rating: 0/5
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Nov 17, 2005 16:42
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junk
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Time owned: 0 to 3 months
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I just got my Daiwa cn-101l from radio world in ontario canada and what a real hunk of junk!The power scales are all way off . I paid $137.00 canadian for a meter that is inaccurate.It is out by 30 percent on hf and around 20 to 25 percent on vhf.It is going rightback in the box and right back to radio world.Please save your money and look els were for a power /swr meter as this one is JUNK
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GM0ONX
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Rating: 5/5
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Jun 7, 2005 06:03
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Excellent for the money
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Time owned: more than 12 months
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With its large, easy to read, cross needles meter the CN101L is a joy to use. 1.5KW range works effortlessly using UK power levels with no worries about cooking the meter.
Accuracy no worse than any other "amateur" meter. If you need professional accuracy sell the children and buy a Bird.
For the money you’ll not get a better cross needle meter.
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KC5RMR
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Rating: 4/5
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Aug 29, 2004 18:03
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Over all this is a very good meter to have in the HAM shack.
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Time owned: 0 to 3 months
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The Daiwa CN-101L watt meter is passive RMS Peak Meter. The meter does not show true Peak to Peak wattage. The meter shows the average peak power of a given amount of wattage. 100 watts CW on a passive watt meter is the same as 100 watts CW on a Bird 43. 100 watts SSB on a passive RMS Peak watt meter will show 70.7 watts on voice peaks. The reason why is the meter movement can not keep up with the fast changes in the voice peaks of a SSB signal. The meter up date is around 1 to 1.5 seconds and a passive watt meter can not display the changes fast enough. Active RMS Peak meters will show true output, such as Palstar WM-150 and Yaesu YS-60,Bird 43,coaxial Dynamics 83000-A (Good RMS Peak Passive Meters are MFJ 815B,870 Vectronics PM-30,Diamond SX series.
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N6TR
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Rating: 4/5
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Jan 20, 2004 01:00
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Works well, but found bad solder connection
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Time owned: more than 12 months
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I have used mine for about 4 years on six meters with a KW running through it. I recently determined that it had a mechanical connection issue because if I really pressed on one of the SO239's, the RX signals would go away. Didn't seem to be a problem on transmit, so I suspected a bad solder connection. I opened up the box this evening and found the problem. There is a rod that runs between the input and output traces, and has two transformmers slipped over it. One side of this did not have a good solder connection. It should not have passed QC, but it did (has a sticker on it). There is no wetting around the wire and it was obviously the problem. I would feel better if there was a manufacturers web page that I could give them feedback about this issue - but I can't find one anywhere.
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PA3GMP
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Rating: 4/5
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Sep 22, 2003 14:03
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Good SWR, reasonable power meter
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Time owned: 6 to 12 months
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My Daiwa CN-101L is great for SWR measurements, but it leaves a bit to be desired as a power meter. I haven't tried the lower frequencies yet, but at 145MHz the reading from the Daiwa is consistently too low, by as much as 20% depending on the power level and setting. You'd almost think that the 1.8-150MHz denotes the -3dB bandwidth rather than the usable range. I've compared the Daiwa to a Bird model 43 but I don't have any slugs for it to measure HF frequencies.
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W0ZPT
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Rating: 5/5
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Feb 23, 2003 20:29
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Great Value!
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Time owned: more than 12 months
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I've had my Daiwa CN-101L for over 5 years and it has never let me down. Compared it to other watt meters and have found it to be very accurate on the HF bands, both output power and SWR. I have run everything from legal limit power to QRP through it with no problems. Highly recommend this meter for the ham on a budget.
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PA0FRI
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Rating: 4/5
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Jan 10, 2002 14:30
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Diodes interchanged
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Time owned: more than 12 months
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I have two CN101L?s, both from different brands. One?s response was extremely non-linear and it turned-out that a silicon and a germanium diode were interchanged on the PCB board. With de diodes on the proper place the meter corresponds normal. Then I calibrate both meters on 14.25 MHz on each range with a BIRD 43. The trim-pots on the board are indicated with 'L', 'M' and 'H'. The meters are now very accurate in the 80 - 15m range, they can match the BIRD. The deflection of the needle is about 10% less on 10 and 160m.
Frits, PAØFRI.
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KC0W
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Rating: 0/5
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Dec 26, 2001 11:04
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Junk
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Time owned: 0 to 3 months
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I wish I would have read the reviews here before I bought this meter. I echo what the other people have said in that this meter reads off by as many as 30 watts sometimes.
I returned it after 7 days of this non-sense & got my money back.
Tom kcØw
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K3CW
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Rating: 0/5
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Nov 20, 2001 10:58
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a complete piece of trash
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Time owned: 6 to 12 months
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I bought this meter to make power measurements for a project at work and immediately noticed problems. The response is extremely non-linear. With 15 W in, the low range reads full scale, which is correct. However, if you switch to the mid scale the needle is at zero and does not begin to register any power until about 30-40W input, at which point it jumps to life. On this (mid) scale from 30W to 60W it?s not too far off but then shoots up rapidly indicating 140W with only 80W in! I finally did a comparison test (using a Tektronics scope to measure real power into a 50 ohm load as the basis) between the Daiwa CN-101L, an MFJ 949, an MFJ 860, and a Radio Shack 21-522. The MFJ 860 and Radio Shack models were almost perfectly linear from 10W to 140W and the MFJ 949 had a few wiggles but kept basically to the line with a maximum error of about 4W. The Daiwa response on the other hand can only be described as exponential - deviating wildly from the linear response everywhere except over the 30W to 60W section of the range. This meter is a complete piece of trash. Email me if you want to see the graphs. (Tests were done at 10MHz.)
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