![Dwyer DHC-003 Digihelic Differential Pressure Controller (0-0.5"w.c.) Dwyer DHC-003 Digihelic Differential Pressure Controller (0-0.5"w.c.)](https://cdn11.bigcommerce.com/s-78w61y1tjp/images/stencil/400x400/products/57543/58074/dwyer-dh3-003-digihelic-reg%253B-differential-pressure-controller-0-0-5-w-c__35819.1685912491.jpg?c=1)
Guaranteed Fitment
Always the correct part
have questions?
Always the correct part
We know our products
Fast & Reliable
Features
Switch Specifications | |
Switch Type | 2 SPDT relays |
Electrical Rating | 1 A at 30 VAC/VDC |
Set Point Adjustment | Adjustable via keypad on face |
General Specifications | |
Service | Air and non-combustible, compatible gases |
Wetted Materials | Consult factory |
Housing Material | Die cast aluminum case and bezel |
Accuracy | ±1.5% for 0.25" and ±0.25" w.c. ranges Ranges 0.5" to 5" w.c. and corresponding bi-directional (except ±2.5" w.c.) ±1% All other ranges: ±0.5% @ 77°F (25°C) including hysteresis and repeatability (after 1 hour warm-up) |
Stability | <±1% per year |
Pressure Limits | Ranges ? 2.5" w.c.: 25 psi ±2.5", 5" w.c.: 5 psi 10" w.c.: 5 psi 25" w.c.: 5 psi 50" w.c.: 5 psi 100" w.c.: 9 psi |
Temperature Limits | 32 to 140°F (0 to 60°C) |
Compensated Temperature Limits | 32 to 140°F (0 to 60°C) |
Thermal Effects | 0.020%/°F (0.036/°C) from 77°F (25°C) 0.25" and ±0.25" w.c. ranges: ±0.03%/°F (±0.054%/°C) |
Power Requirements | 12 to 28 VDC 12 to 28 VAC 50 to 400 Hz |
Power Consumption | 3 VA max |
Output Signal | 4 to 20 mA DC into 900 ? max |
Zero and Span Adjustments | Accessible via menus |
Response Time | 250 ms (damping set to 1) |
Display | Backlit 4 digit LCD 0.4" height LED indicators for set point and alarm status |
Electrical Connections | 15 pin male high density D-sub connection. 18" (46 cm) cable with 10 conductors included |
Process Connections | ?" female NPT. Side or back connections |
Mounting Orientation | Mount unit in vertical plane |
Dimensions | 5 x 31?8" (127 x 79.38 mm) |
Weight | 1.75 lb (794 g) |
Agency Approvals | CE |
All returns must be authorized. Items returned prior to authorization will not be accepted. For international customers where applicable, customers must ship any returns to us freight and duty prepaid. Return freight charges for internationsl shippments will be the responsibility of the customer.
Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.
Non defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returnsin which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.
(Do not write anytingon the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.)
Please, include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty (30) days.
We can ship to both US and Canada. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will charge a flat rate shipping for your items.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Not Applicable
Condition: | NA |
Defective new equipment may be returned for warrantyrepair/exchange to us within (5) days of the shipment receipt date. After five (5) days, returns will be handled by direct contact and in accordance with the warranty terms of the item's manufacturer. Items that have malfunctioned due to mishandling, electrical overload, etc., will be subject to repair charge.
Non defective new equipment will be authorized for return within five (5) days of the shipment receipt date if the equipment is still in new, re-sellable condition with the original manual(s), accessories, packing material and carton. We reserve the right to reject returnsin which there is no original packaging, missing accessories, damage or visible signs of usage of the item. A restocking fee of up to 25% of purchase price may apply. Special orders and dangerous goods are non-returnable.
(Do not write anytingon the manufacturer's original package or use as a shipping carton. Include all accessories, manuals and warranties.)
Please, include a copy of the packing list or invoice with a reason for the return. Your return authorization number is valid for thirty (30) days.