Photohelic® Pressure Switch/Gage Dwyer Series A3000

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Product information

The Dwyer Series A3000 Photohelic® Pressure Switch/Gauge is a versatile instrument that combines a Magnehelic® differential pressure gauge with dual relay pressure switches for high-precision monitoring and control.

✔ 3-in-1 Monitoring: Integrates a pressure gauge, low pressure switch, and high pressure switch in a single unit

✔ Superior Accuracy: Maintains ±2% accuracy of full scale using frictionless Magnehelic® movement

✔ Flexible Control: DPDT relays allow independent setpoint adjustment across the entire pressure range

✔ Industrial Durability: Operates stably across a wide temperature range and handles vibration and shock

✔ Versatile Applications: Ideal for controlling fans, air filters, pneumatic systems, and cleanroom monitoring

DOWNLOAD SERIES A3000 CATALOG (PDF)

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🚚 Imported by bởi DLK TRADING SERVICE COMPANY LIMITED.
✅ Quality : Hàng mới 100%, đảm bảo chính hãng, đầy đủ hồ sơ nhập khẩu.
🛠️ Guarantee : 12 tháng, (tùy chọn 36 tháng).
📞 Phone : 0937972339

Technical characteristics
Name of the product
Standard technical document

Detailed Specifications

Brand	DWYER (USA)
Service	Air and non-combustible, compatible gases
Accuracy	±2% of FS (3% for -0, 4% for -00) at 70°F
Pressure Limits	-20" Hg to 25 psig (-0.677 bar to 1.72 bar)
Temperature Limits	20 to 120°F (-6.67 to 48.9°C)
Power Requirements	120 VAC, 50/60 Hz (Opt. 240 VAC or 24 VDC)
Switch Type	Each setpoint has two DPDT relays
Relay Rating	10A @ 120 VAC, 6A @ 240 VAC
Process Connections	1/8" female NPT
Dial Size	4" (101.6 mm)

Model CHART Series A3000 & A3300 Photohelic®

Model	Range
A3000-00	0-0.25 in w.c.
A3000-0	0-0.50 in w.c.
A3001	0-1.0 in w.c.
A3002	0-2.0 in w.c.
A3003	0-3.0 in w.c.
A3004	0-4.0 in w.c.
A3005	0-5.0 in w.c.
A3006	0-6.0 in w.c.
A3010	0-10 in w.c.
A3015	0-15 in w.c.
A3020	0-20 in w.c.
A3025	0-25 in w.c.
A3030	0-30 in w.c.
A3040	0-40 in w.c.
A3050	0-50 in w.c.
A3080	0-80 in w.c.
A3100	0-100 in w.c.
A3150	0-150 in w.c.
A3300-0	0.25-0-0.25 in w.c.
A3301	0.5-0-0.5 in w.c.
A3302	1-0-1 in w.c.
A3304	2-0-2 in w.c.
A3310	5-0-5 in w.c.
A3320	10-0-10 in w.c.
A3330	15-0-15 in w.c.

Model	Range
A3000-6MM	0-6 mm w.c.
A3000-10MM	0-10 mm w.c.
A3000-25MM	0-25 mm w.c.
A3000-50MM	0-50 mm w.c.
A3000-80MM	0-80 mm w.c.
A3000-100MM	0-100 mm w.c.
A3300-20MM	10-0-10 mm w.c.
A3300-30MM	15-0-15 mm w.c.
A3000-60PA	0-60 Pa
A3000-125PA	0-125 Pa
A3000-250PA	0-250 Pa
A3000-500PA	0-500 Pa
A3000-750PA	0-750 Pa
A3300-250PA	125-0-125 Pa
A3300-500PA	250-0-250 Pa
A3000-1KPA	0-1 kPa
A3000-1.5KPA	0-1.5 kPa
A3000-2KPA	0-2 kPa
A3000-3KPA	0-3 kPa
A3000-4KPA	0-4 kPa
A3000-5KPA	0-5 kPa
A3000-8KPA	0-8 kPa
A3000-10KPA	0-10 kPa
A3000-15KPA	0-15 kPa
A3000-20KPA	0-20 kPa
A3300-1KPA	0.5-0-0.5 kPa
A3300-3KPA	1.5-0-1.5 kPa