DOSTMANN differential pressure gauge DD 890
The DOSTMANN DD 890 differential pressure gauge is a high-precision instrument for measuring differential pressures in various industrial and scientific applications. With a measuring range of -200 to +200 mbar and a resolution of 0.01 mbar, it offers an exceptional accuracy of ±0.2% of full scale. These features make the DD 890 an ideal choice for professionals who require precise and reliable pressure measurements. Similar to the DOSTMANN TA 888 hot wire anemometer, the DD 890 offers a user-friendly interface and robust construction.
Technical data and features
The DD 890 is equipped with a 7-segment LCD display for clear and easy reading of the measured values. Power is supplied via a 9V block battery, which allows flexible and mobile use. The housing is made of robust ABS plastic, which protects the device from mechanical influences.
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Measuring range: -200 to +200 mbar
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Resolution: 0.01 mbar
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Accuracy: ±0.2% of final value
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Interface: USB
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Display: 7-segment LCD (2 lines)
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Power supply: 1x 9V block battery
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Housing: Plastic (ABS)
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Dimensions: 210 x 75 x 50 mm (L x W x H)
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Weight: 1,180 g
Certifications and standards
The DOSTMANN DD 890 differential pressure gauge complies with all relevant industrial standards and norms. It is CE-certified and meets the requirements of the DIN standards for pressure measuring devices. These certifications ensure that the device can be used safely and reliably in various applications.
Application examples
The DD 890 is versatile and ideal for applications in heating, ventilation and air conditioning (HVAC), in the process industry and in laboratory environments. It can be used to monitor filter conditions, to detect leaks in pressurized systems and to check ventilation systems. In the process industry, it can be used to monitor pressure differences in pipes and tanks.
FAQs
How is the DD 890 calibrated?
The DD 890 can be calibrated by the manufacturer or authorized service centers. It is recommended that the device is calibrated regularly to ensure measurement accuracy.
Can the DD 890 be used in potentially explosive atmospheres?
No, the DD 890 is not certified for use in potentially explosive atmospheres. Special explosion-proof devices should be used for such applications.
What interface options does the DD 890 offer?
The DD 890 has a USB interface that enables easy data transfer and analysis. This is particularly useful for documenting and evaluating measurement data.
How long does the DD 890 battery last?
The service life of the 9V block battery depends on the frequency of use and the operating conditions. Under normal conditions, the battery can last for several months. It is recommended that you always have a spare battery to hand.
Conclusion
The DOSTMANN DD 890 differential pressure gauge is a reliable and precise instrument for a wide range of applications. With its high accuracy, robust construction and user-friendly interface, it is an excellent choice for professionals in industry and laboratories. For similar applications, the DOSTMANN VA 893 vane anemometer could also be considered, which also offers high precision and ease of use.