April 23, 2017

Some info regarding 471B Digital (Dwyer)


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Warranty: standard manufacturer’s warranty
S&H: Free shipping if ordered online
Dimensions and weight: check our reviews
Coupon/Sale: n/a


Recent reviews of Dwyer 471B Digital Thermo-Anemometer with Hot-Wire Probe, 0 to 30 m/s Velocity, -40 to +100° C Temperature:

I just bought this meter and isn’t measuring properly. It measures about half the velocity. Is it some setting or maybe the probe isn’t working.



Want to discover more merchandise? Check out these pages to see more: drill from vertical power to horizontal, anemometer 30 m/s.





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Ohaus OSR7–1215–7L Stainless Steel Ranger 7 ounting Sale, 7 lb. vs 471-B-1

For Ranger 7000, there’s one 471B-1 resounding theme: it offers the best of every ingenious feature that make OHAUS industrial merchandise the right tools for your toughest weighing jobs. Ranger 7000 boasts the highest resolution, biggest display, most application modes and connectivity alternatives, also as the biggest memory library of any industrial bench scale in the OHAUS portfolio.


Amprobe HD11 IP67 Heavy Duty Multimeter

The Amprobe HD110C IP67 digital multimeter is an average-sensing, manual-ranging meter for measuring current, voltage, and resistance in electrical testing applications with high voltage and severe environmental conditions. The meter measures alternating current (AC) and direct current (DC) to 2 amp, AC voltage to 1,000 volts (V), DC voltage to 1,500V, and resistance to 20 megaohms. The meter comes with a set of removable high-voltage test leads and two threaded alligator clips for connecting to high-voltage conductors. The meter’s molded plastic case is made from flame-retardant thermoplastic to help protect against fire, chemicals, grease, falls, impacts, and abrasions. The case is sealed to prevent water and dirt from entering and it has an ingress protection ranking of IP67, meaning it gives complete protection against dust and is waterproof when submerged up to 1 meter. An audible continuity sensor confirms that the circuit conducts electricity, and a diode test detects if the circuit’s diodes work properly. The hold function keeps a reading on the display, after the meter is disconnected. An auto power-off mode turns off the unit after 30 minutes of non-use to conserve battery life, and a low-battery display signals when the meter’s batteries have to be replaced. This average sensing, or average reacting, meter gives correct readings when measuring linear loads, like standard induction motors and incandescent lights, where the current or voltage has a sinusoidal waveform. It’s a manual-ranging meter and requires that the operator decide the proper operating range. The meter has a 2,000-count resolution, meaning it can display up to 1,999 units (3-1/2 digits) before the operating range needs to be changed. It meets International Electrotechnical Commission (IEC) safety standard 61010 and is certified for group IV installations up to 1,000V, which covers measurements at the supply of the low-voltage supply, like electricity meters and overcurrent protection devices. The meter comes with a with a magnetic strap that may be used to hang the meter on metal doors or fixtures and a hex wrench to open the battery compartment door. SpecificationsMaximum alternating current (AC) input2 ampMaximum direct current (DC) input2 ampMaximum AC voltage input1,000 volts (V)Maximum DC voltage input1,500VMaximum resistance detected20 megaohmsPower supply9V NEDA 1604, JIS 006P, or IEC 6F22 battery (one, installed)Fuse2 amp, 1,500V fast-blow ceramic fuse (one, installed)Standards metEuropean Conformity (CE), International Electrotechnical Commission (IEC) and European Normal (EN) 61010-1, N10140 Australia, Canadian Standards affiliation (CSA)Weight1. 4 lb. /642 gDimensions7. 9 x 4. 0 x 2. 3 inches/200 × 102 × 59 mm (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. Multimeters are electrical test meters that measure many properties of an electrical circuit, like current, voltage, resistance, capacitance, and continuity. Available in handheld or benchtop models, multimeters diagnose electrical problems in electrical equipment, wiring, and power supplies. A range of probes, clamps, and leads may be used to connect the meter to a circuit or device. Multimeters display info either in analog or digital form. Factors that influence meter choice include the electrical properties to be calculated, the anticipated range of results, and the wanted level of protection against temporary voltages. Safety ratings are depending on the International Electrotechnical Commission’s (IEC) standards for low-voltage test equipment. IEC 61010 delineates four overvoltage installation groups. Overall, a meter with a group IV ranking will supply more protection against temporary voltages than a meter with a lower group ranking. Amprobe manufactures electrical testing equipment for commercial, industrial, and home use. The company was founded in 1948 and is headquartered in Everett, WA. What”s in the Box? Amprobe HD110C IP67 average-sensing digital multimeter(1) Set test leads(2) Threaded alligator clips(1) 9V battery (installed)(1) 2 amp/1,500V fast-blow ceramic fuse (installed)(1) Hex wrench(1) Magnetic strap holsterInstructions.


Exteh Instruments AN3 Exteh Vane FM/MM, Large

Big Vane CFM/CMM Thermo-Anemometer. Measures Air Velocity, Air Flow and Temperature. Extech’s big Vane Thermo-Anemometer series lets for more exact readings on bigger size ducts. Each meter at the same time displays Airflow or Air Velocity and Temperature. Multipoint and timed average calculations. Min/Max, Data Hold, and Auto power off functions. Complete with four AAA batteries and hard carrying case.


Kestrel 55 Weather Meter

The next generation of weather monitoring is here with the Kestrel 5500 Weather Meter. This Kestrel meter does it all. The Kestrel 5500 gives the same reliable accuracy, dependability, and usability as the original Kestrel 4500. Measure every environmental condition plus wind direction, crosswind and headwind/tailwind. Use it golfing, sailing, flying, spraying, shooting and more. Drop-evidence, dust-evidence, waterproof and able to withstand extreme environments without damage, your Kestrel weather meter travels with you anywhere you dare to go. A range of carry pouch alternatives makes it easier to take your Kestrel meter with you.


Wind Speed Gauge Anemometer

Dual Function with concurrent measure and display air speed and temperature of the moving air. Compact in size and light weight but has large measurement range of 030m/s wind speed with accuracy of 5 and -1045C(14-113F) temperature with accuracy of 2C (3. 6F). Features concurrent measure and display wind speed and temperature Wind speed displays in Beaufort wind scale bar graph also Displays Wind chil in selected temperature unit fitted rotating vane sensor Backlight with auto-off Weather tolerant housing (but not submersible) Ultralight impeller is mounted in jewel (sapphire) bearing for precision, large range ofspeeds and low startup speed Guaranteed fast answer & correct readings, no guessing errors Auto and manual power-off Low battery warning removable neck lanyard and batteryare included Tested as indicated by European international terms and standards (CE marking) Passed ISO9001 Quality Management System With UKAS approval plans: Measurement units & parameters Air Speed/Velocity:m/s, km/h, ft/min, knots,mph Air Temperature: C & F Special Functions: Wind Speed/Velocity: Current(Cu); Maximum (MAX) and Average (AVG) Sapphire ball bearing NTC Thermometer About 3mA current intake Power Supply: 1 x CR2032 3VBattery Size: 105 x 40 x 15mm Weight: 52g (as well as battery and lanyard) Set will include: 1 x Mini Anemometer Thermometer 1 x 3V CR2032 Button Battery (FREE) 1 x Neck Strap/Lanyard (FREE) 1 x Yellow Rubber Holster English fast Start Guide Standard Factory Package.


Reed YK-8AM Vane .4 35. 6° Range

The Reed YK-80AM anemometer with metal vane probe for heavy responsibility use measures air velocity in m/s, fpm, knots, mph, and km/h, and air temperature in degrees C and F, and has digital functions as well as record and hold for examining air flow. Record function captures and displays minimum and maximum readings. Hold function freezes a reading on the display to aid documentation. An RS-232 serial port interface output lets connection to a well-matched PC for storing data (interface cable sold individually). The LCD shows air velocity and temperature readings at the same time. The unit turns off automatically after 10 minutes of non-use to conserve battery life and has a low-battery display. This anemometer can be used for monitoring air flow and temperature in ductwork, spray booths, and exhaust hoods, among other applications. SpecificationsAir velocity range0. 4 to 35. 0 m/s; 79 to 6,890 fpm; 0. 8 to 68. 0 knots; 0. 9 to 78. 3 mph; 1. 4 to 126. 0 km/hAir velocity resolution0. 1 m/s; 1 fpm; 0. 1 knots; 0. 1 mph; 0. 1 km/hAir velocity accuracy+ or – (2 of reading + 2 digits)Air temperature range0 to 60 degrees C/32 to 140 degrees FOperating environmentUp to 80 relative humidity; Meter: 0 to 50 degrees C/32 to 122 degrees F; Vane Probe: 0 to 80 degrees C/32 to 176 degrees FPower(1) 9V battery (included)Vane diameter72 mmMain unit dimensions (H x W x D)200 x 68 x 30 mm/8 x 2. 7 x 1. 2 inchesWeight220 g/7. 75 oz. 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. Anemometers, also called wind meters, measure air velocity and are most usually used for weather monitoring to find out wind speed and for HVAC applications to find out air flow inside ducts. Also to air velocity, anemometers may measure wind direction, air pressure, air flow volume, air temperature, humidity, light, and other properties. The common types of anemometer are cup, vane, hot-wire, and Pitot tube. Cup and vane anemometers compute air velocity depending on the number of rotations of the cups or vane. Hot-wire anemometers compute air velocity by measuring the change in electrical resistance as air flow cools a heated wire. Pitot tube anemometers measure air pressure inside a tube and compute air velocity depending on the difference in pressure between the air inside and outside of the tube. Many anemometers have digital readouts and can display air velocity readings in different units of measure, like meters per second (m/s), feet per minute (ft. /min. Or fpm), knots, miles per hour (mph), and kilometers per hour (km/h). Reed Instruments manufactures test and measurement equipment like pressure gauges, electrical testers, temperature and humidity instrumentation, and inspection instruments. The company, founded in 2004, is headquartered in Wilmington, NC. What is in the Box? Reed YK-80AM anemometerMetal vane probe(1) 9V batteryHard carrying caseInstructions.


Tes 56 417 ABS Large Vane Anemometer, 4" Head Diameter, 32 122 Degree F Range, +/- .9 Degree F Auray, .1 Resolution, 9V Battery

The high quality bearings in the testo 417 yield almost “friction-free” rotation for direct measurement of air velocity with an NTC sensor used to find out air temperature. The vanes cover all the calculated area – no airflow is lost between the vane and outer ring. The 4″ head averages true flow over its complete area, not just reacting to local stray eddies. Just input the channel cross-sectional area (from 0. 2 sq. In. To over 100 sq. Ft. ) to see correct, real-time CFM calculations. Simply toggle between velocity, CFM, and temperature readings on the clear, backlit display. Flow direction is indicated by an arrow in the display. Timed or multi-point averages are easily accomplished with all parameters and calculations. Mn-Max values may also be displayed. The”Hold” function freezes current readings in the display making data recording easy. Real-time or average CFM, velocity, temperature. True velocity measurement – no air density correction obliged. Simple one hand operation. Easy to carry and operate. Adjustable A(K) factor (open area of grill). Obliged for correct systems commissioning. Long battery life. Fitted 3. 93″ diameter vane. -40 to 185 degree F storage temperature. 32 to 122 degree F operating temperature. 9V battery. 50 hours of battery life. Weight 8 oz. Measures 11″ length by 4″ width by 1. 8″ height. ABS housing material. Probe type NTC. 32 to 122 degree F measuring range. Accuracy: +/- 0. 9 degree F. Resolution: 0. 1 degree F.


Magneti Mount Anemometer Wind Meter by Inspeed

Magnetic mount wind speed measuring device by Inspeed. Well-liked device for storm spotting and chasing. Many hundreds in use across the world. Will include digital display (Cateye Velo8 bicycle speedometer) and 25′ of wire. Handles speeds over 125 mph. Attach it to your car and watch the wind speed from inside – so you don’t have to go outside and get wet. For more info check out our website (inspeed. Com).


TSI/Alnor AXD62 Miromanometer System Data Logging Software Kit

The Alnor® AXD620 Micromanometer is a rugged, compact, complete micromanometer that measures pressure. It may be used with pitot tubes to measure velocity and compute flow rates with user-input channel size and form. Ideal applications include HVAC commissioning and troubleshooting, testing and complementary, Pitot tube channel traverses, static pressure measurements and differential pressure measurements. What is Included: Meter, hard-sided carrying case, 4 AA batteries, two 1. 2m long rubber tubes, static pressure tip, LogDat2 downloading software and USB cable, maker provided calibration certification. Premium features make it ideal for HVAC, environmental safeguards, commissioning, procedure control and system complementary Measure differential and static pressure from -15 to +15 in. H2O (-3735 to +3735 Pa) Calculates and displays velocity when using a Pitot tube Calculates volumetric flow rate in channel from velocity and user-input channel size and form Records data points in channel traverse using sampling function Data logging with time and date stamp Programmable K factors.


Rate-Master Series RM Flowmeter, 1" Sale, Range 1-1 SFM Air

The Dwyer Rate-Master series RMC flowmeter is a 10″ scale air flow meter that has 1/2″ female NPT inlet and outlet connections for inline monitoring and measuring of air flow with an accuracy of + or – 2 of full scale for exact readings. An integral flow guide stabilizes the float during the range for consistent readings. The flowmeter is made of injection molded polycarbonate around a precision tapered pin to preserve calibration, resist breakage, and supply a clear view of the scale. The body is mounted to a stainless steel back bone with welded pipe thread inserts to take in piping torque throughout installation. The scale is epoxy-coated brushed aluminum with black graduations marked along both sides of the flow tube for distinct readings. Models are available for measuring air flow in scfm or scfh. Some models come with a brass or stainless steel metering valve for exact modification of air flow. Hardware is included for panel or surface mounting. This flowmeter is usually used for measuring air flow in medical equipment, air samplers, gas analyzers, pollution monitors, chemical injectors, and cabinet purging equipment, among other devices.


Visi-Float Series VFB Flowmeter, 4" Sale Length, Range .2-4 LPM Air, 1/8" Female NPT Proess onnetion

The Dwyer Visi-Float series VFB flowmeter is a 4″ scale air flow meter with 1/8″ female NPT inlet and outlet connections for inline monitoring and measuring of air flow with an accuracy of + or – 3 of full scale, and is precision machined from hard acrylic plastic to resist breakage and supply a clear view of the scale. Black scale graduations are hot-stamped into the plastic for distinct readings. This lightweight flowmeter has a metal mounting put for panel mounting and may also be supported directly by system piping. Models are available for measuring air flow in scfh, scfm, lpm, or cc/min. Some models come with a brass or stainless steel metering valve for exact modification of air flow, or with a pointer flag for clear-cut readings. Inlet and outlet connections are brass except for models with stainless steel wetted parts and the connections are on the back of the flowmeter except for models that have end connections. This flowmeter is usually used for measuring air flow in medical equipment, air samplers, gas analyzers, pollution monitors, chemical injectors, and cabinet purging equipment, among other devices. SpecificationsScale length4″ (on average)Accuracy+ or – 3 of full scaleConnections1/8″ female NPT inlet and outletPressure and temperature ratingWithout valve: 100 psig/6. 9 bar 65 degrees C/150 degrees F; with valve: 100 psig/6. 9 bar 48 degrees C/120 degrees FWetted materialsBody: acrylic plastic; O-ring: Buna-N; metal parts: brass (standard) or stainless steel (related models); float (differs by range): black glass, nickel/copper alloy, stainless steel, or aluminumDimensions (H x W x D)169. 9 x 34. 93 x 31. 75 mm/6-11/16 x 1-3/8 x 1-1/4 inchesWeight0. 20 to 0. 25 kg/7. 2 to 8. 8 oz. 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. Anemometers, also called wind meters, measure air velocity and are most usually used for weather monitoring to find out wind speed and for HVAC applications to find out air flow inside ducts. Also to air velocity, anemometers may measure wind direction, air pressure, air flow volume, air temperature, humidity, light, and other properties. The common types of anemometer are cup, vane, hot-wire, and Pitot tube. Cup and vane anemometers compute air velocity depending on the number of rotations of the cups or vane. Hot-wire anemometers compute air velocity by measuring the change in electrical resistance as air flow cools a heated wire. Pitot tube anemometers measure air pressure inside a tube and compute air velocity depending on the difference in pressure between the air inside and outside of the tube. Many anemometers have digital readouts and can display air velocity readings in different units of measure, like meters per second (m/s), feet per minute (ft. /min. Or fpm), knots, miles per hour (mph), and kilometers per hour (km/h). Dwyer Instruments manufactures measurement and control instruments, as well as pressure gauges, flow meters, level instrumentation, temperature instrumentation, and air quality monitors. The company, founded in 1931, is headquartered in Michigan City, IN.


TSI Alnor AVM44-A Air Veloity Meter

The TSI Alnor velometer thermal anemometer AVM440-A is an all-in-one meter able of many functions. The easy to operate AVM440-A will include the straight or articulated probe compact package. HVAC system performance, commissioning, plant maintenance, important environment certification and channel traverses are ideal applications for the AVM440-A instrument. Included itemsinstrument with articulated probehard carrying case4 alkaline batteriesusb cable and downloading softwareoperation and service manualnist calibration certification.



What people considered before buying 471B1:
  1. TPI 565C1 Digital Anemometer with Hot-Wire Probe, 0.2 to 20 m/s Velocity, -20 to +80 C Temperature
  2. TPI 575C1 Digital Anemometer with Vane Probe and Hot-Wire Probe, 0.4 to 25 m/s Velocity, -20 to +80 C Temperature
  3. Extech 407123 Hot Wire Thermo Anemometer
  4. Amprobe TMA-21HW Hotwire Anemometer with Temperature
  5. Amprobe TMA-20HW Hotwire Anemometer
  6. Fieldpiece STA2 In Duct CFM Hot-Wire Anemometer


Models to consider:
EM20 TL224EBT730 AVM440-AVFC-121 TMA10A
RMC-121 AF0901486AO-10778-88 VFB-65AVM430-A CPS-2N
0857SBRN TMA-21HWDCFM700 FW500-C(15lb)0850LBLK FLUKE-62 MAX
AN300 HD110C0857ATAN AXD620AM-816 VFA-23-SSV
0857ALBLZ MS6250GM816 windoo3TMA-20HW MSKN12208500000
TMA40-A RMC-1210857SLVBRN 0845HBTAN0854LVCTAN MS6252A
AVM430 AN200AF0901499 15742AN-AMZNRVA801 AF0901479
0854LVCORA YK-80AMFLUKE-179/EDA2 0852LHVG575C1 400-5-L-KIT
vfa-23-bv AN3100850BLK 6501-0EDAFM4 1201W23EA
VFC-121 TMA-21HW15742AN-AMZN AF09014706501-0E 0857ATAN
0857SLVBRN 0857ATANEM20 400-5-L-KIT6036-0E RMC-121
0854LVCORA AVM4300850LBLK CPS-2NR3001 0857ALBLZ
565C1 AM-8160845HBTAN CIH20DLTL224 FLUKE-179/EDA2
6006-0E HD110CMS6250 AN200YK-80AM TMA10A
VFA-23-SSV AF0901486GM816 575C1EBT730 RMC-121
AO-10778-88 vfa-23-bvFluke 923 AO-37954-00RVA801 DCFM700
0854LVCTAN windoo3AN300 8906-NISTABM-100 TMA-20HW
0857SBRN FW500-C(15lb)AXD620 0850BLKAF0901479 TMA40-A
AN300 HD110C0857SBRN 0857ATAN0845HBTAN EBT730
R3001 0850BLK565C1 FLUKE-179/EDA2VFC-121 MS6250
6006-0E CPS-2NAVM430-A AN200VFA-23-SSV FW500-C(15lb)
TMA10A DCFM700CIH20DL 575C1AF0901499 8906-NIST
TMA-21HW VFA-21MS6252A YK-80AMPPM-AM002 AF0901470
15742AN-AMZN WD98290854LVCORA AO-37954-00vfa-23-bv 0857ATAN
400-5-L-KIT RMC-121GM816 FLUKE-62 MAXAN310 0857ALBLZ
1201W23EA ABM-100TL224 DAFM4VFB-65 windoo3
EM20 AVM440-AAF0901479 RVA8010850LBLK 0854LVCTAN

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