3351DR type micro differential pressure transmitter

1151/3351 micro differential pressure transmitter of the key raw materials, components and parts are imported or joint venture production, the whole machine after strict assembly and testing. The product has the characteristics of advanced design principles, complete varieties and specifications, easy to install and use, and so on. Due to the appearance of the model is a perfect fusion of currently the most popular, and is widely used in the two transmitter (Rosemount 3051 and Yokogawa EJA) structure advantages, allowing users to have the feeling that find everything new and fresh, and has a strong versatility and the ability to replace. In order to adapt to the continuous improvement of the level of domestic automation and development, the series of products, in addition to the design of compact and delicate, but also launched with the HART Fieldbus Protocol Intelligent functions.

Product features:

Super measuring performance for pressure, differential pressure, liquid level, flow measurement

Accuracy: digital precision + (-) 0.05%; analog precision + (-) 0.1%F.S (-) 0.5%~+

Range, zero external adjustable, range than 100:1

Positive transfer can reach 500%, and the negative transfer can be up to 600%

Stability is good, stability: 60 0.25% months

Over voltage

Solid state sensor design

Full range of unified structure, strong interchange

The diaphragm material of the contact medium is optional.

Low pressure cast aluminum alloy housing

Measurement rate: 0.2S

Miniaturization (2.4kg) full stainless steel flange, easy to install

Process connections are compatible with other products to achieve the best measurement.

Intelligent transmitter using 16 bit computer

Standard 4-20mA, digital signal based on HART protocol, remote control

Support to the field bus and the upgrading of the technology based on field control

technical parameter

Use object: liquid, gas, and steam

Supply voltage: 12 ~ DC 36V, standard value 24VDC;

Output signal: 4 ~ 20mADC; (special can be four wire system AC 0-10mA power supply DC 220V output)

Ambient temperature: - 25 ~ 70 C (general transmitter), 15 ~ 70 C (with field indicator)

Measuring temperature: -40-104 degrees, the flange filled with silicone oil -40-104 C, filling the high temperature silicone oil 15-315

Storage temperature: - 40 ~ 100 c;

Relative temperature: 0-100%RH

Protection class: BT4 II ia D CT5;

Power effect: less than the output range of + 0.005%/V;

Vibration effect: in any direction vibration 200Hz, the error caused by the maximum range of 0.05% / g (micro differential pressure is 0.25% / g);

Installation location effect: when the work diaphragm is not installed vertically, it may produce no more than 0.24Pa of the zero error, the error can be eliminated by adjusting the zero, no impact on the range;

Stability: no more than six months of the accuracy of the transmitter;

Indicator: the field output indicator has a current meter, linear indication 100% ~ 0; 3-1/2 bit LCD liquid crystal display range and zero position: the external continuously adjustable;

Positive and negative transfer: differential pressure transmitter: the maximum positive transfer is 500%, the maximum negative transfer is 600%

The isolation of membrane material: 316L stainless steel, Harrington alloy -C, Monel alloy, tantalum

Vent / drain valve: 316L stainless steel, Harrington alloy -C, Monel alloy

The flange and the connector: 316L stainless steel, Harrington alloy -C, Monel alloy

"O" - type ring: fluorine rubber

Filling liquid: silicone oil inert oil

Bolt: 316L stainless steel

Electronic shell: low copper aluminum alloy