E&H PMD78B pressure transmitter
Model：PMD78B-AABAAJAB7DAAHAJAAADJAA0F2B
Manufacturer: ENDRESS + HAUSER
Size:25*25*30cm
Detail Specification: pressure transmitter
Comment:Carton
Shipping Weight: 8Kg
Estimated Lead Time: 8 Weeks
Payment：T/T
HS CODE：9026201090
product details
E&H PMD78B pressure transmitter
Product Overview
The E&H Deltabar PMD78B is a specialist differential pressure transmitter engineered for precise measurement in challenging process environments. Designed with one or two capillaries, the PMD78B excels in applications where direct process connection is difficult or extreme temperatures demand remote sensor placement-25.
The PMD78B belongs to the new Deltabar generation, combining robust construction with secure Bluetooth connectivity for wireless remote operation via the SmartBlue App-2. This transmitter allows condition-based maintenance strategies that significantly increase plant availability. The embedded firmware incorporates intuitive wizards that guide users through commissioning, proof tests, and device verification, reducing systematic errors from the outset-2.
A defining feature of the PMD78B is the TempC membrane, which minimizes ambient and process temperature effects on measurement accuracy, ensuring reliable readings even under fluctuating thermal conditions-11. The device is supported by the FLEX selection framework, offering tiers from Fundamental to Xpert to match specific application requirements-27.
Heartbeat Technology & Advanced Diagnostics
The PMD78B integrates Heartbeat Technology, a comprehensive diagnostic suite that revolutionizes process monitoring. This technology enables on-demand verification and continuous monitoring functions that detect unwanted anomalies while the process remains fully operational-2-11.
Key detection capabilities include:
Plugged impulse lines
Dynamic pressure shocks
Supply voltage fluctuations
The device provides simple visual indication of its status: the display changes from green to red when diagnostic messages occur, offering immediate feedback to operators-2. Heartbeat Technology helps reduce systematic failures, enables error-free SIL commissioning, and facilitates instrument-guided proof testing-.
Key Technical Specifications
| Parameter | Value |
| Measuring principle | Differential pressure (piezoresistive, one or two capillaries) |
| Pressure measuring range | 100 mbar to 40 bar (1.5 psi to 600 psi) |
| Static pressure capability | Up to 160 bar (2,400 psi) |
| Max. overpressure limit | 240 bar (3,600 psi) |
| Smallest calibratable span | 5 mbar (0.075 psi) |
| Vacuum resistance | 50 mbar (0.73 psi) |
| Max. turndown ratio | 100:1 |
| Reference accuracy (Standard) | Up to 0.1% of URL |
| Reference accuracy (Platinum) | Up to 0.075% of URL |
Long-Term Stability
| Period | Value |
| 1 year | 0.025% of URL |
| 5 years | 0.05% of URL |
| 10 years | 0.10% of URL |
Process & Environmental Conditions
| Parameter | Value |
| Process temperature (without diaphragm seal) | –70°C to +400°C (–94°F to +752°F) |
| Process temperature (with diaphragm seal) | –40°C to +400°C (–40°F to +752°F) |
| Ambient temperature | –40°C to +85°C (–40°F to +185°F) |
Electrical & Communication
| Parameter | Value |
| Output | 4–20 mA with HART (2-wire) |
| Supply voltage (Ex d, Ex e, non-Ex) | 10.5–35 VDC |
| Supply voltage (Ex i) | 10.5–30 VDC |
| Alternative communication | PROFINET over Ethernet-APL, PROFIBUS PA |
| Wireless technology | Bluetooth® (optional, SmartBlue App) |
Current output operating modes:
4.0 to 20.5 mA
NAMUR NE 43 (3.8 to 20.5 mA, factory setting)
US mode (3.9 to 20.8 mA)
The device includes a linearization function that allows conversion of measured values to any units of height or volume, supporting user-defined tables of up to 32 value pairs.
Obtain relevant certificates and quotations for the product
