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SiemensElectronic Air Differential Pressure Sensors

Siemens Differential Pressure Sensor: 1 in wc to 1 in wc, ±0.40% Accuracy, 0 to 10V DC

The Siemens 590-780 is an electronic air differential pressure sensor with a range of 1 in wc to 1 in wc. It features a 4 to 20mA output, ±0.40% accuracy, requires 0 to 10V DC power, and has a loop resistance of 100…

SKU 3G-OTH-68482

Brand
Siemens
Item
Differential Pressure Sensor: 1 in wc to 1 in wc, ±0.40% Accuracy, 0 to 10V DC
Category
Electronic Air Differential Pressure Sensors
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Technical Specifications

Siemens
Manufacturer Part Number
590-780
Type
±0.40% Accuracy, 4 to 20mA, 100 ohms
DC
0 to 10V
Output
4 to 20mA
Accuracy
±0.40%
Power Required
0 to 10V DC
Loop Resistance
100 ohms
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens 590-780 is an electronic air differential pressure sensor with a range of 1 in wc to 1 in wc. It features a 4 to 20mA output, ±0.40% accuracy, requires 0 to 10V DC power, and has a loop resistance of 100 ohms.

Frequently Asked Questions

What is the Siemens 590-780 differential pressure sensor used for?

The Siemens 590-780 electronic air differential pressure sensor measures low air pressure differences in HVAC systems, cleanrooms, and industrial ventilation. It monitors filter status, airflow, and duct static pressure with ±0.40% accuracy and a 4 to 20mA output.

What are the specifications of the Siemens 590-780 differential pressure sensor?

The Siemens 590-780 has a range of 1 in wc to 1 in wc, accuracy of ±0.40%, output of 4 to 20mA, loop resistance of 100 ohms, and requires 0 to 10V DC power. It is an electronic air differential pressure sensor from Siemens.

Where to buy the Siemens 590-780 differential pressure sensor worldwide?

3G Electric supplies the Siemens 590-780 differential pressure sensor worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the Siemens 590-780 differential pressure sensor?

Mount the Siemens 590-780 in a dry location with pressure ports oriented downward to prevent moisture ingress. Connect the 4 to 20mA output to a controller with 100 ohm loop resistance and supply 0 to 10V DC power. Follow Siemens wiring diagrams for proper operation.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens electronic air differential pressure sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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