Home | About Us | RSS Feed | Shopping Cart

Search all brands/categories

	Mastech Digital Multimeter & LCR Meter, MS8222H
	Rating
	Brand	Mastech
	List Price	$79.95
	Special Price
	Lowest New Price	$44.99
	Features	12-Function 30-Range DMM AC/DC V/A Resistance Frequency Capacitance and 5-range Inductance Diode Check Continuity & Transistor test Data Hold 1 Year Warranty
	Categories	Multimeters & Analyzers
Similar products
Aoyue 936 Soldering System With 2 Bonus Iron Tips DESOLDERING PUMP All New Electronics Self-Teaching Guide (Wiley Self Teaching Guides) Xacto X75170 X-tra Hands with Magnifier 9440 with JW-350 Jumper Wire Kit
Description
The Mastech MS8222H is a professional fully featured digital multimeter as well as a LCR meter, you can use it to measure AC/DC voltage and existing, resistance, capacitance, inductance, frequency and temperature together in fahrenheit and celsius. This meter comes together with all the accessories and 1 year manufacturer's warranty. Specifications: *DCV:0-200mV-6V-60V-600V-1000V±0.5% *ACV:0-200mV-2V-20V-±0.8%200V-700V±1.2% *DCA:0-2mA-20mA±1.2%200mA-10A±2.0% *ACA:0-2mA-20mA±1.5%-200mA10A±3.0% *Frequency: 20K Hz ±1.5% *R:0-200-2k-20k-200k-2M±1.2% 20M ohm±3.0% 200M ohm *CAP:0-2nF/20nF/200nF/20uF±2.0%; *Inductance:2mH/20mH/200mH/2H/20H; *Temp: F and C.-20°C-1,000°C±3.0%; /-4°F-+ 1832°F; *Audible continuity:<30ohm; *Transistor hFE:1-1000; *Diode test: 10mA,6.0V; *Batt:9Vx1,NEDA 1604/6F22; *Size: 195 X 92 X 43 mm; *Weight: 2 lbs. Accessories: *A pair of test leads * 9V battery (installed) *K-Type Thermo probe *Customer manual
Customer Reviews
A Jumpy, Poorly-Made Piece of "Equipment"   2010-08-25
By Nathan A. Groves (California =()
My first impression of a Mastech meter is a bad one. The Good: It has a lot of features, the LCR functions were a selling point. Not the most accurate, but good enough for the hobbyist. The leads it came with are nice, and come with covers for both the probes and plugs. The light is a nice green color. The meter CAN be calibrated, but The Bad really outweighs any reason to send it in for calibration... The Bad: Doesn't feel as "solid" as it should. The rubber coating is actually a part of the meter, it's not removable like most others. Removable coverings absorb shock a lot better than when it is a part of the actual plastic. Also, there is a lot of 'ghost' readings; strange voltages randomly show up and go away, and show up again. At first, it's at somewhat acceptable levels, but later, it just gets worse and worse as it is used. The on-off toggling of the LCR functions are also confusing; for some things, it has to be off, for some on, it's really hard to tell if the LCR functions are on or off, you're really just changing the meter's behavior overall. The weird ghost voltages got so bad, I sent it back. My advice (for what it's worth): If you need these kinds of functions, and you are a hobbyist, you are probably at the stage to where you should go with something of a higher quality anyway (Fluke, Agilent), so there's really no reason to go with this no-man's-land* meter. *At this price range, it's really hard to find a reason not to get something that can be sent in and calibrated. Like I said, if you're looking at things like this, you should probably go with something of a higher caliber.
Bang for your buck   2010-05-01
By E. Josephs
Pretty good meter. Manual poorly translated but anyone capable of using a LCR meter will have no problem. Web wide specs say this is a 200M ohm max meter - it's not. It's top end is 20M ohm. No big deal (see below). It's not auto-ranging through its scales, no big deal (so much meter for the price). It's audible tone sounds like a metallic mosquito - no big deal. Has a NPN / PNP transistor testing slot! I prefer the tactile feel of the diode test setting for transistor testing myself. For its capacitance and inductance tests, I plan to look at the frequency it does its tests at and on what ranges so I can post for all that are interested ( is it 120Hz or 1KHz or does it change with value ranges selected? - will see and post) HERE'S A TRICK (for measuring above the resistance limit) AND HINT - Never trust a meter 100% - They are not true loads ( high impedance ) and can give a false result under certain circumstances. Use "grain of salt" attitude always. The higher the resistance (impedance) value you try to measure may interfere ultimately with internal load of a meter and thus reading. How? 1/Rt = 1/R1 + 1/R2...etc... Your meter internal load is in parallel with the load you are testing. The resistance in a parallel resistance circuit is always lower than the lowest value component in that circuit. ie: two 10 ohms in parallel = 1/Rt = 1/10+1/10 yeilds 1/Rt = 0.1+0.1 yields 1/Rt=0.2 yeilds 1/0.2 yeilds 5ohms. Because a meter's resistance is so high vs this scenario, if you put lets say 20M ohm in R3 in the equation, the end result drops only slightly under 5 ohms. If you really ever need to measure a load greater than 20M (max on this meter ohm scale then use a 10Mohm in parallel (value measured first - take note ) and put your 10M value in R1 and your total measured value in RT. You can now back calculate the unknown loads value while not pushing the high value impedance limit and false reading possibility of the meter. The new equation for the unknown R2 = R? (unknown) 1/Rt-1/R1=1/R? so example 1/9.5Mohm - 1/10Mohm = 1/R? yields 190Mohm!!!!!
Portable Meter is Ideal for School, Hobby or Home use...   2009-11-06
By M. Sabo
This digital meter is designed to measure Volts, Current, Resistance, Capacitance, Inductance, Frequency, Temperature, Continuity, Diode, Transistor and TTL Logic. It comes with a battery already installed. I made the purchase because of the LCR features at a low cost. One feature I do like is the bracket that pivots out from the back to hold the meter at an angle for easy viewing. The user manual does suffer from some poor translation. An example of this is: "After measuring completely, disconnection the test leads with the circuit to be measured, and remove the test leads from the meter." I believe it means: "After measuring, remove the test leads from the circuit and also remove the test leads from the meter." I think the idea is not to turn the rotary switch, aka Range Selector, as this may cause damage. In measuring Inductance I used a Radio Shack 100 microheneries RF Choke, p/n 273-102C. I wasn't getting a reading at first after following the instructions. If I had read the Capacitance instructions I would have known to press the Lx/Cx button. So, I press the button and still nothing. Moving the selector to 2m or 20m I got a reading. The reading is 0.095 at 2m and 0.09 at 20m. The selector being set at 2m means the range is from 0 to 2 milihenries with a resolution of 0.001mH; therefore, it reads as 95 microhenries after moving the decimal three places. Accuracy is stated as plus/minus 4.0% of the reading plus 5 of the resolution. The small coil only measures at the two selector postions. The coil is far to small and under the range for the 200m or above positions. I measured a coil of 350mH and had to set the selector to 2m and got 0.365 for a reading. I would think a different position, but at least I got a reading. Just got to learn how to use it. I much prefer a meter with an auto ranging LC meter designed into it. I opted not to build my own LC meter for this model and consider it a good choice as it has other features that I can use. Update: At first I pressed the leads in until they stopped. Then, I was retesting and didn't get any readings. I pushed on the leads to get a bettter connection and one went down until it was flush. A final word is when the test leads are inserted to press them all the way down.
A lot of function at low cost   2008-03-08
By Roosvelt Sanchez (Dominican Republic)
I made the decision to buy this portable meter because I was looking for one that allow me to measured most of the parameter in a typical circuit. This equipment is capable to measure (within an acceptable range) capacitance, inductance, frequency and temperature at very low cost. So, I am satisfied with this one.
Good!!!   2008-02-16
By Michael Uribe (Caracas, Venezuela)
It`s a good tool for students, but it`s not enough to work...regular presicion in low measurements....just good!!!