SupcoHVAC Equipment

Supco Electronic manometer DDM55

Supco DDM55 is a dual digital manometer for HVAC applications, measuring pressure differentials across -55 to +55 inch water column with 0.01 inch resolution. Its dual inputs and data-hold function support field…

SKU 3G-CBM-01299

Also listed as: COP 14032 · COP-14032

Brand

Supco

Item

Electronic manometer DDM55

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Supco

type

dual digital manometer 

range

-55 to +/-55 inch water column 

features

dual input, differential measurements, data hold 

resolution

0.01 inch 

units of measure

11

Datasheet Content

DDM55
               Dual Digital Manometer
Isolate difficult pressure problems in natural gas and propane systems with the
DDM55 dual input Digital Manometer. Providing a differential measurement,
  the DDM55 accurately tests for leaks in low-pressure gas systems and more.

     Features / Benefits
     •   Dual input
     •   Range: -55” to +/-55” water column
     •   Resolution to 0.01”
     •   Provides differential measurements
     •   11 units of measure
     •   Data hold
     •   LCD display w/ backlight
     •   Auto power off
     •   9V battery included
     •   Soft carrying case included


     Applications
     •   Confirm pressure switch operation
     •   Regulator adjustments
     •   Set delivery pressures
     •   Leakage tests

Technical Documents

(1)

Technical Document 1

PDF Document

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Supco Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

Where can I buy a Supco DDM55 electronic manometer worldwide?

Order the Supco DDM55 from 3G Electric, an authorized distributor. We handle worldwide delivery, customs clearance, and logistics to support your HVAC operations globally.

What is the measurement range and resolution of the DDM55?

The Supco DDM55 measures pressure differentials from -55 to +55 inch water column with 0.01 inch resolution, delivering precise dual-input readings for system balancing and diagnostics.

What are the lead times for Supco DDM55 ordering?

Lead time on request. Contact 3G Electric with your project timeline and quantity. We source from authorized channels and manage full logistics and customs documentation worldwide.

Used in

Common applications for Supco

Commercial refrigeration display cases — Supco RO82 relay and CSS-25U starter for compressor motor control without run capacitors

Medium-load HVAC systems — Supco SPP 6/SPP 8 hard-start devices to reduce compressor inrush current and extend motor lifespan

Cold-chain pharmaceutical and food storage — SL300TH temperature–humidity data logger for continuous monitoring and regulatory documentation

Refrigerant service operations — Piercing valves and perforator cocks in 1/2" and 5/8" sizes for fast, non-invasive line access

Compressor thermal management — Universal Compressor Door for reducing shell temperature and improving efficiency in hot ambient conditions

Retrofit and field repairs — Supco controls with Quick Connect terminals for rapid installation in legacy refrigeration circuits

Supco Products

3G Electric supplies Supco hvac equipment. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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