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BK Precision 2709B Auto-Ranging, True RMS Digital Multimeter, 10 Amp, 750VAC, 1000VDC, 66 Megaohms, 66 Millifarads, 66 MHz
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- Digital multimeter measures current, voltage, resistance, capacitance, and frequency
- True RMS (root mean square) meter provides accurate readings when measuring linear or nonlinear loads where the current or voltage has an undistorted or distorted waveform
- Audible continuity sensor confirms a circuit conducts electricity, and diode test detects proper functioning of a circuit’s diodes
- Backlit LCD is readable in low light and displays present measurement or the maximum and minimum values for the session
- Meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for Category II installations up to 1,000V and Category III installations up to 600V
Specifications for this item
|Brand Name||B&K Precision|
|Item Weight||0.010 ounces|
|Number of Items||1|
|Temperature Range||0/50 degrees_celsius|
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The BK Precision 2709B digital multimeter (also known as a multitester) is a true RMS, auto-ranging meter for measuring current, voltage, resistance, capacitance, and frequency in electrical testing applications. The meter comes with a set of detachable test leads. An audible continuity sensor confirms a circuit conducts electricity, and a diode test detects proper functioning of a circuit’s diodes. The LCD is backlit for readability in low light. It displays the present measurement or the highest or lowest reading in a session, for tracking sudden changes in readings. The relative mode stores a reading in memory to use as a zero point for subsequent readings so that multiple readings can be compared. An alarm sounds when the test leads are connected to the wrong jack for the measurement being taken. The unit automatically turns off after 30 minutes of nonuse to conserve battery life, and a low-battery indicator signals when the meter's batteries need to be replaced. A magnetic strap is included for hanging the meter from a metal door or surface for hands-free use.
This true RMS (root mean square) meter provides accurate readings when measuring linear loads, such as standard induction motors and incandescent lights, where the current or voltage has an undistorted waveform, or nonlinear loads, such as electronic devices or motors, where the current or voltage has a distorted waveform. When turned on, the meter is in auto-ranging mode and automatically selects the correct operating range for the property being measured. It can be switched to manual-ranging mode, which allows the operator to choose the appropriate operating range. The LCD has a 6,600-count resolution, meaning it can display up to 6,599 units (3-3/4 digits) before the operating range needs to be changed. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for Category II installations up to 1,000V, which covers large household appliances and devices connected to a fixed power supply (such as refrigerators and air conditioners), and Category III installations up to 600V, which covers items used with enclosed building circuit installations (such as service panel parts, branch circuits, and fixed installations that are connected directly to a building's AC power supply).
|Maximum alternating current (AC) input||10 amp|
|Maximum direct current (DC) input||10 amp|
|Maximum AC voltage input||750 volts (V)|
|Maximum DC voltage input||1,000V|
|Maximum resistance detected||66 megaohms|
|Maximum capacitance detected||66 millifarads (mF)|
|Maximum frequency detected||66 megahertz (MHz)|
|Power supply||9V battery (one, installed)|
|Standards met||European Conformity (CE); International Electrotechnical Commission (IEC) safety standard 61010-1; European Union EMC (EN) EN61326|
|Weight||285 g/10 oz.|
|Dimensions||165 x 78 x 42.5 mm/6.5 x 3.1 x 1.7 inches (H x W x D)|
H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.
Multitesters (also called multimeters) are electrical test meters that measure multiple properties of an electrical circuit, such as current, voltage, resistance, capacitance, and continuity. Available in handheld or benchtop models, multitesters diagnose electrical problems in electrical equipment, wiring, and power supplies. A variety of probes, clamps, and leads can be used to connect the meter to a circuit or device. Multitesters display information either in analog or digital form. Factors that influence meter choice include the electrical properties to be measured, the anticipated range of results, and the desired level of protection against transient voltages. Safety ratings are based on the International Electrotechnical Commission's (IEC) standards for low-voltage test equipment. IEC 61010 delineates four overvoltage installation categories. In general, a meter with a category IV rating will provide more protection against transient voltages than a meter with a lower category rating.
BK Precision manufactures test and measurement instruments for research and development, production-line testing, and electronic field service applications. The company, founded in 1951, is headquartered in Yorba Linda, CA. It meets International Organization for Standardization (ISO) standard 9001:2008 and is compliant with Restriction of Hazardous Substances (RoHS) and waste electronic and electrical equipment (WEEE) directives.
What's in the Box?
- BK Precision 2709B true RMS digital multimeter
- (1) Set test leads
- 9V battery (installed)
- Spare fuse
- Magnetic hanging strap
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I began looking at the BK precison 2907B after seeing it reviewed by Dave Jones of the EEVBlog. I encourage you to search for that video because it does a good job of describing the good and bad of all the reviewed meters.
In my own experience, I've found that the BK Precision 2907B is fast, and accurate, and it's clearly the winner when compared to my other purchase, the Triplett 9045. While both machines will get the job done, the BK is much faster measuring resistance, capacitance, or conductivity. The probes seem like they are a notch above the ones that came with the Triplett (although the triplett does include screw-on alligator clips and the BK doesn't). The magnetic hanger on the BK is a nice touch, though it does tend to flop loose a bit when not in use. The buttons and controls on this unit feel precise and smooth, although it isn't really easy to change the main function dial one-handed...which may be a trivial point, unless you're constantly switching between modes like you might be if you only use one meter.
The only area in which I feel the BK falls short of any of my other meters is in it's physical construction...Specifically, it's the only one of all the meters I have that isn't enclosed in a rubbery jacket, or wrapped with a soft edge around the perimeter. This, of course, is only a problem if it falls off your bench. I'm not saying it's cheaply built, because it's not! But the others all seem to have that extra layer of protection. On the other hand, not being wrapped in rubber makes this meter more compact.
The provided leads were not so useful though--they are built much nicer (and are more sturdy) than the extras I purchased from another manufacturer, but many of us need leads that clamp onto a wire in various ways, vs. leads that are used only for touching to test points. I would rather have paid $10 more for this same meter had an additional set of high quality clip-on leads been included, or paid less to not have any leads at all and let us choose what we want.
But for the basic meter, no complaints--it does its job accurately, it's compact, and reliable. And it's all wrapped up at a good price. Buy a good set of additional leads and you're set for just about any type of measurement you need to make.
Kind of a rinkydink comment but it bugs me. I did contact customer support with no reply.
But then again as always with BK products the performance is exceptional. I was truly surprised to see this get by QA. Or maybe a management call?
- Nice leads and display
- Good safety features like having a separate input required to measure amps.
- I find that mine sometimes takes a few attempts to lock into a reading for voltage from a battery.
- It beeps on every button push or selector switch (as pointed out in the EEVBlog video). This would bother me if I used it every day. I find it to be only a bit annoying with my light use circuit tinkering.
This is a good first multimeter but I'm already thinking of getting one that can log the output so I can see how electrical properties change over time. There's a big cost bump here. I would recommend this multimeter to any novice users like myself.