Pressure Gauges No. 690 Series
3-1/2" Size

Standard Specifications Case: Stainless steel with blow out plug Dial: White with black markings and graduations. Window: Acrylic, press in type with "O" ring seal. (glass optional) Pointer: Stainless Steel - black finished, adjustable, friction type. Bourdon Tube/Socket: Phosphor bronze tube, brass socket 1/4" NPT only, for ranges 30" Vac. up to 1,000 psi. Stainless steel helical tube, stainless steel socket 1/4" NPT only, for ranges 1,000 psi up to 10,000 only. Movement: Brass Accuracy: ANSI B40.1, Grade A - 1% of full scale over middle half of span. 2% over balance.		No. 690
No. 691 Center Back Outlet	No. 692 Back Flange Bottom Outlet	No. 693 Flush Mounted Center Back Outlet	No. 694 Flush Mounted Center Back Outlet with "U" clamp

Standard Pressure, Compound & Vacuum Ranges for No. 690 Series Gauges
Dial Range		"3-1/2" Size"
Vacuum	Pressure	Figure Intervals		Minor Graduations
		Vacuum	Pressure	Vacuum	Pressure
30" Hg / - 100 kPa 30" Hg / - 100 kPa 30" Hg / - 100 kPa 30" Hg / - 100 kPa 30" Hg / - 100 kPa 30" Hg / - 100 kPa 30" Hg / - 100 kPa	0 psi / 0 kPa 15 psi / 100 kPa 30 psi / 200 kPa 60 psi / 400 kPa 100 psi / 700 kPa 150 psi / 1000 kPa 300 psi / 2000 kPa 15 psi / 100 kPa 30 psi / 200 kPa 60 psi / 400 kPa 100 psi / 700 kPa 160 psi / 1100 kPa 200 psi / 1400 kPa 300 psi / 2000 kPa 400 psi / 2800 kPa 600 psi / 4000 kPa 1000 psi / 7000 kPa 1500 psi / 10000 kPa 2000 psi / 14000 kPa 3000 psi / 20000 kPa 5000 psi / 35000 kPa 10000 psi / 70000 kPa	5" Hg / 10 kPa 10" Hg / 20 kPa 10" Hg / 50 kPa 10" Hg / 50 kPa 30" Hg / 100 kPa 30" Hg / 100 kPa 30" Hg / 200 kPa	- 5 psi / 20 kPa 5 psi / 50 kPa 10 psi / 50 kPa 10 psi / 100 kPa 30 psi / 100 kPa 50 psi / 200 kPa 3 psi / 10 kPa 5 psi / 20 kPa 10 psi / 50 kPa 10 psi / 100 kPa 20 psi / 100 kPa 20 psi / 200 kPa 50 psi / 200 kPa 50 psi / 400 kPa 50 psi / 500 kPa 100 psi / 1000 kPa 200 psi / 2000 kPa 200 psi / 2000 kPa 500 psi / 2000 kPa 1000 psi / 5000 kPa 2000 psi / 10000 kPa	0.5" Hg / 2 kPa 1" Hg / 2 kPa 1" Hg / 5 kPa 2" Hg / 10 kPa 2" Hg / 10 kPa 5" Hg / 20 kPa 10" Hg / 20 kPa	- 0.5 psi / 2 kPa 0.5 psi / 5 kPa 1 psi / 10 kPa 2 psi / 10 kPa 2 psi / 20 kPa 5 psi / 20 kPa 0.2 psi / 2 kPa 0.5 psi / 2 kPa 1 psi / 5 kPa 2 psi / 10 kPa 2 psi / 20 kPa 2 psi / 20 kPa 5 psi / 20 kPa 5 psi / 50 kPa 10 psi / 50 kPa 20 psi / 200 kPa 20 psi / 200 kPa 20 psi / 200 kPa 50 psi / 200 kPa 100 psi / 500 kPa 200 psi / 1000 kPa
Dual scales are standard. Single scale available on special order

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