Dwyer Series 475 Mark III Handheld Digital Manometer, 0-40.00"WC Range, 10 psig Maximum Pressure
  • Intrinsically-safe digital manometer for field calibration, monitoring or troubleshooting HVAC systems, performing clean room inspections, air velocity monitoring, and natural gas appliance-line testing
  • FM-approved intrinsically safe for Class 1, Div. 1, Group A, B, C, D, T4 hazardous locations
  • Accuracy is + or - 0.5% of full scale at 60 to 78 degrees F, and + or - 1.5% full scale at 32 to 60 and 78 to 104 degrees F
  • Dual push pads on the front panel control on-off, auto zero, and pressure unit selection between U.S. and metric units
  • Standard connections accept 1/8\" or 3/16\" inside diameter (ID) vinyl or rubber tubing
size:
  • 0-40.00"WC Range, 10 psig Maximum Pressure
Retail Price: $ 148.9
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Dwyer Series 475 Mark III Handheld Digital Manometer, 0-40.00"WC Range, 10 psig Maximum Pressure
Dwyer Series 475 Mark III Handheld Digital Manometer, 0-40.00"WC Range, 10 psig Maximum Pressure
The Dwyer Series 475 Mark III intrinsically-safe digital manometer provides positive, negative, and differential pressure measurements, and is used to perform field calibration, monitoring or troubleshooting HVAC systems, performing clean room inspections, air velocity monitoring, and natural gas appliance-line testing. The meter is FM-approved intrinsically safe for Class 1, Div. 1, Group A, B, C, D, T4 hazardous locations. It has an accuracy of + or - 0.5% of full scale at 60 to 78 degrees F, and + or - 1.5% full scale at 32 to 60 and 78 to 104 degrees F. The extruded aluminum case provides durability. The backlit four-digit LCD displays the pressure measurement. The zero function nulls minor pressure differences before measuring. Standard connections accept 1/8" or 3/16" inside diameter (ID) vinyl or rubber tubing. The meter is powered by a 9V battery (included) and automatically shuts off after 20 minutes to preserve battery life.

The Dwyer Series 475 Mark III intrinsically-safe digital manometer provides positive, negative, and differential pressure measurements, and is used to perform field calibration, monitoring or troubleshooting HVAC systems, performing clean room inspections, air velocity monitoring, and natural gas appliance-line testing. The meter is FM-approved intrinsically safe for Class 1, Div. 1, Group A, B, C, D, T4 hazardous locations. It has an accuracy of + or - 0.5% of full scale at 60 to 78 degrees F, and + or - 1.5% full scale at 32 to 60 and 78 to 104 degrees F. The extruded aluminum case provides durability. The backlit four-digit LCD displays the pressure measurement. The zero function nulls minor pressure differences before measuring. Standard connections accept 1/8" or 3/16" inside diameter (ID) vinyl or rubber tubing. The meter is powered by a 9V battery (included) and automatically shuts off after 20 minutes to preserve battery life.

Specifications
Pressure typesPositive, negative, and differential
Media typeAir and compatible combustible gases
Case materialExtruded aluminum
DisplayFour-digit LCD
Temperature limits0 to 140 degrees F/-17.8 to +60 degrees C
Compensated temperature limits32 to 104 degrees F/0 to 40 degrees C
Dimensions6-17/32 x 2-13/16 x 29/32 (H x W x D)
Power9V alkaline battery
Agency approvalsCE, FM

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.

Manometers measure the pressure of a liquid or gas. They are used in laboratory, medical equipment, engineering, automotive, and heating, ventilation, and air-conditioning applications. Manometers measure any combination of gauge, absolute, or differential pressures. Gauge pressure is the amount of pressure in a system relative to the ambient pressure, absolute pressure is the amount of pressure in a system relative to an absolute vacuum, and differential pressure is the difference between two pressures. Analog manometers are composed of columns of liquid, and they use gravity and the liquid's density to calculate pressure. Because they have no moving parts, analog manometers do not require re-calibration. Digital manometers have pressure sensors that are connected to a system with a hose to provide a digital readout of the amount of pressure present in a system. They use microprocessors to calculate pressure, and they require periodic calibration to help ensure accuracy.

Dwyer Instruments manufactures measurement and control instruments, including pressure gauges, flow meters, level instrumentation, temperature instrumentation, and air quality monitors. The company, founded in 1931, is headquartered in Michigan City, IN.

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1 Contraband and limited items:
Clgarette,Alcohol,Contraband ?Do not accept
Liquid,cream or cosmetics items are quantity limited in shopping agent service
Chinese medicine is limited to ship by Chinese exporting goods.
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Cream
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one side must be less than 120cm,otherwise there is additional fee;250cm products can not be accept;
Any side must be less than 60cm,otherwise you will be charged the greater one between real weight and volume weight,more than 120cm will be not accepted.
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