Handheld,Digital,Pressure,Indicator,Dwyer,Series 477,Manometer

Handheld Digital Pressure Indicator
Dwyer Series 477 Digital Manometer

• Instant Selection from up to Nine English/Metric Units.

• Stores 20 Readings in Memory for Later Reference.

• Measures Positive, Negative or Differential Pressures.

• Large Easy-to-Read 0.4" LCD Display Includes Switchable
   Backlight for Great Visibility-Anywhere!

• Both Audible and Visual Overpressure Alarms.

• Includes + and - Indicators plus Low Battery Warning.

• Operates up to 100 Hours on one 9 Volt Battery.


Series 477 Handheld Digital Manometers are packed with features you need to make low pressure measurement and recording faster, easier and more accurate than ever. Now you can instantly select from up to nine popular pressure units without having to waste time with tedious conversions.

Plus, a versatile non-volatile memory function enables storage of up to 20 readings - perfect for HVAC technicians making Pilot tube traverses of airflow through ducts. A display HOLD key temporarily freezes the current value for situations where pressure fluctuates.

To protect against overpressure, both usual and audible alarms are included. Audible alarm also sounds to indicate a value has been stored in memory.

Stocked Models


Model
Number
English
Range
Metric
Range
Maximum
Pressure
477-1
0-20 In H2O
0-5kPa
11 psi (0.75 bar)
477-2
0-40 In H2O
0-10kPa
11 psi (0.75 bar)
477-3
0-200 In H2O
0-50kPa
29 psi (1.99 bar)
477-4
0-10 psid
0-70kPa
58 psi (3.99 bar)
477-5
0-30 psid
0-200kPa
58 psi (3.99 bar)

Pressure Units Available

Model
Number
PSID
IN
H20
MM
H20
IN
Hg
MM
Hg
Pa
kPa
bar
Mbar
477-1
X
X
X
X
X
X
X
X
X
477-2
X
X
X
X
X
X
X
X
X
477-3
X
X
X
X
X
X
X
X
477-4
X
X
X
X
X
X
X
X
477-5
X
X
X
X
X
X
X

Specifications

Accuracy:
±0.5% of full scale from 60 to 78°F (15 to 25°C);
±1% of full scale from 32 to 60, 78 to 104°F (0 to 15, 25 to 40°C).
Storage Temperature: -4 to 176°F (-20 to 80°C)
Pressure Hysteresis: ±0.1% of full scale
Maximum Pressure: See chart
Pressure Connections: Barbed, for 1/8" or 3/16" I.D. tubing
Power Source: 9V alkaline battery, included
Battery Life: Up to 100 hours of operation. Less when LCD backlight is used.
Pressure Display: 0.4" liquid crystal
Size: 6 9/16"H x 2 13/16"W x 29/32"D (166x71x23 mm)
Weight, Battery Included: 12 ounces (340 grams)


Options
A-402 CARRYING POUCH - Tough gray nylon pouch protects any Series 475 or 477 manometer and includes convenient side compartment for tubing and other accessories. Both areas are fully zippered for easy access. With belt loop, hand strap and adjustable shoulder strap.
7"x4 1/2"x3" (178x114x76 mm).

Handheld Digital Manometer | Handheld Digital Pressure Indicator




Handheld Digital Pressure Indicator Dwyer Series 477 Gigital Manometer