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Supco Electronic manometer DDM55 - HVAC Equipment
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
Category
HVAC Equipment
UNSPSC
40101709 — Air handling unit
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

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Supco Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 diagnostics and system balancing.

Frequently Asked Questions

What is the Supco DDM55 electronic manometer used for?

The Supco DDM55 dual digital manometer is used for HVAC field diagnostics, including confirming pressure switch operation, adjusting regulators, setting delivery pressures, and performing leakage tests on natural gas and propane systems.

What are the specifications of the Supco DDM55?

The Supco DDM55 has a range of -55 to +/-55 inch water column with 0.01 inch resolution. It features dual inputs for differential measurements, data hold, an LCD display with backlight, auto power off, and includes a 9V battery and soft carrying case.

Where to buy the Supco DDM55 in Singapore?

3G Electric supplies the Supco DDM55 electronic manometer to Singapore. We handle logistics, customs clearance, and delivery to your site, providing technical support for HVAC professionals needing reliable pressure diagnostics.

How to use the Supco DDM55 for gas system leak testing?

To test for leaks, connect the dual inputs to the system, select the desired unit of measure from 11 options, and read the differential pressure on the backlit LCD. The data hold function freezes readings for analysis, following standard HVAC safety practices.

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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