Dwyer Instruments 1640-0 — Pressure Sensors & Transmitters
KKM Solutions is an independent parts distributor, not an authorized Dwyer Instruments dealer — how we source.
Dwyer Instruments 1640-0 - Differential Pressure Switches - Weight: 2.18 kg; Electrical connection: Screw Terminal; Mounting orientation: Vertical Diaphragm.
Overview
Part number 1640-0 from Dwyer Instruments, listed in Pressure Sensors & Transmitters. Specifications on file: Country of origin United States; Deadband 0.01 to 0.03 inH2O; Electrical connection Screw Terminal; Materials, Wetted Consult Factory. KKM Solutions quotes this part with pricing and availability confirmed per order.
Dwyer Instruments 1640-0 is a Differential Pressure Switches catalog item from Dwyer Instruments. The manufacturer's published data for this part number specifies Weight: 2.18 kg and Electrical connection: Screw Terminal.
Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Helium, Nitrogen, Non-Corrosive Dry Gases
Key manufacturer data on file for this item includes Mounting orientation: Vertical Diaphragm; Operating temperature - max: 110 °F; Operating temperature - min: -30 °F; Switch type: SPDT NO/NC, Selectable; Country of origin: United States; Deadband: 0.01 to 0.03 inH2O; GrossWeightValue: 5.2; Materials, Wetted: Consult Factory; Measurement Pressure, Max: 0.02 inH₂O; Measurement Pressure, Min: 0.01 inH₂O; Process Connection Size: 1/8 in; Process Connection Type: NPT Female. See the Specifications tab on this page for the full technical table.
Specifications
| Country of origin | United States |
|---|---|
| Deadband | 0.01 to 0.03 inH2O |
| Electrical connection | Screw Terminal |
| Materials, Wetted | Consult Factory |
| Measurement Pressure Type | Differential |
| Measurement Pressure, Max | 0.02 inH₂O |
| Measurement Pressure, Min | 0.01 inH₂O |
| Media Compatibility | Clean dry air / inert gas, HVAC / room air, Inert / non-reactive gases, Helium, Nitrogen, Non-Corrosive Dry Gases |
| Mounting orientation | Vertical Diaphragm |
| Operating temperature - max | 110 °F |
| Operating temperature - min | -30 °F |
| Process Connection Size | 1/8 in |
| Process Connection Type | NPT Female |
| Proof Pressure | Up to 10 psi |
| Set Point Adjustment | Internal Screw |
| Spec Sheet QR URL | https://www.dwyeromega.com/en-us/dwyer®-differential-pressure-switch-floating-contact-high-low-actuation/Series-1640/p/1640-0?guid=701a700000ulrduaaq&utm_source=spec-sheet&utm_medium=qr-code&utm_campaign=prd-sku-spec-sheet&utm_content=auto-generated-sku-level-spec-sheet |
| Switch Note | SPDT floating contact (not snap action), Non-inductive — 2.5A @ 110 VAC; 1.5 A @ 220 VAC; 1 A @ 24 VDC; 0.5 A @ 110 VAC; Inductive — 1 A @ 110 VAC; 0.5 A @ 220 VAC; 0.5 A @ 24 VDC (de-rate 70-80% for very slow pressure changes) |
| Switch Rating | Non-inductive: 2.5A @ 110 Vac, 1.5 A @ 220 Vac, 1 A @ 24 Vdc, 0.5 A @ 110 Vac; Inductive: 1 A @ 110 Vac, 0.5 A @ 220 Vac, 0.5 A @ 24 Vdc |
| Switch type | SPDT NO/NC, Selectable |
| Weight | 2.18 kg |
Product details
| Manufacturer | Dwyer Instruments |
|---|---|
| Manufacturer part number | 1640-0 |
| Product category | Pressure Sensors & Transmitters |
| Published specifications | 20 attributes listed |
| Related part numbers | 4 other part numbers in this family |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for 1640-0?
This part is quoted on request, so no price is listed for it here. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the 1640-0?
1640-0 is made by Dwyer Instruments and is listed in our Pressure Sensors & Transmitters category. KKM Solutions is an independent distributor, not an authorized Dwyer Instruments dealer: we source the exact Dwyer Instruments part number 1640-0, and the quote confirms condition and lead time before you order.
Is the 1640-0 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the 1640-0, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of 1640-0?
No published lifecycle status is on file for 1640-0. Dwyer Instruments lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
What are the key specifications of 1640-0?
Key specifications include Country of origin: United States; Deadband: 0.01 to 0.03 inH2O; Electrical connection: Screw Terminal; Materials, Wetted: Consult Factory. The full specification table on this page lists every published attribute for this part.
What thread or connection does 1640-0 use?
Per the published specification for 1640-0: Process Connection Size: 1/8 in; Process Connection Type: NPT Female. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What operating temperature is 1640-0 rated for?
Per the published specification for 1640-0: Operating temperature - max: 110 °F; Operating temperature - min: -30 °F. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How much does 1640-0 weigh?
Per the published specification for 1640-0: Weight: 2.18 kg. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can 1640-0 ship?
Lead time for 1640-0 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
Variants & Related Part Numbers
Other Dwyer Instruments part numbers in this family:
Related Products
Dwyer Instruments Dwyer Floating contact null switch, range 0.2-1.0" w.c., adj.…
Dwyer Instruments Dwyer Floating contact null switch, range 3.0-12.0" w.c., adj.…
Dwyer Instruments Dwyer Floating contact null switch, range 1.0-4.0" w.c., adj.…
Dwyer Instruments Dwyer Floating contact null switch, range 2.0-6.0" w.c., adj.…
Dwyer Instruments Dwyer Differential pressure switch, range 0.15-0.5" w.c., approx. deadband…
Dwyer Instruments Dwyer Differential pressure switch, range 0.07-0.15" w.c., approx. deadband…
More Pressure Sensors & Transmitters parts
Technical Guides
Browse more Dwyer Instruments Sensors & Encoders, or see everything from Dwyer Instruments.