UQD ball float level transmitter consists of measuring part and signal controller part. According to structural features, the measuring part can be divided into 90 type with small angle, 91 type with large angle, 92 type with external float. Its signal controller part is divided into analog type and intelligent type. The product can be widely used for the measurement of various medium level, and it is an ideal instrument for petroleum, chemical, metallurgy, electric power industries/
Made in China. brand DDTOP, model UQD
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UQD Ball Float Level Transmitter consists of measurement part and signal controller.
According to structural features, the measurement part can be divided into 90 type with
small angle, 91type with big angle. The signal controller part can be divided into analog
type (UQD.A) and smart type (UQD.Z). It is widely applied to the level measurement of
various fluid, and is an ideal instrument for petroleum, chemical, metallurgy, electric power
and other industries.
Operating Principle
The measuring part of the UQD Ball Float Level Transmitter is composed of a float with a
balance rod and a balance hammer to form a torque balancing mechanism, so the float
is free to rise and fall with changes in the level. When the level changes, the position of
the float changes accordingly, the ball rod drives the rotation of the spindle, and the
angular displacement sensor in the controller engages with the spindle through the
gears, which converts the change of the level into a corresponding electrical signal, and
then the electronic circuit inside the controller converts this signal into a standard
current signal proportional to the change of the level.
Features
1.Use integral flange connection to reduce leakage points and reduce the possibility of leakage, so the reliability is extremely high and the amount of maintenance is minimal.
2.Structure is simple and commissioning is convenient. The level transmitter can be adjusted without any special tools.
3.It is suitable for level measurement of medium such as high temperature and high pressure, viscous or containing impurities conditions.
| Performance and Technical Specification | Analog Type( transmitter) | Smart Type(transmitter) |
| Power supply | 24V DC | |
| Output signal | 4～20mA | 4～20mA+HART protocol |
| Accuracy | 1.5% | 1.0% |
| Local indication | Ammeter | LCD display |
| Setting methods | Local knob | Local keys/ Debugging software + PC/ Communicator |
| Damp time selection | None | 0-32s |
| Local and remote configuration | None | Yes |
| Over range alarm and failure diagnosis | None | Yes |
| Ambient temperature | -40～80℃ | -30～70℃(When ≤ -20 ℃, LCD no display, remote transmission can be used normally) |
| Operating temperature | -30℃≤T＜225℃ (without cooling fin), 225℃≤T≤450℃ (with cooling fin) | |
| Load resistance | See load chart | |
| Diameter of the floating ball | Φ230 mm (Standard) | |
| Nominal pressure | ≤6.3MPa | |
| Nominal diameter | DN250 | |
| Flange standard | HG/T20592-2009, HG/T20615-2009 or on request | |
| Wetted material | Flange: carbon steel, 304 or on request,Other parts: material grade should be higher than 304 or on request. | |
| Fluid density | ≥0.55g/cm3 | |
| Electrical connection | M20*1.5 (female thread) or on request | |
| IP Rating | IP66 | |
| Explosion-proof | See the explosion-proof type chart | |
Explosion-proof Type Chart
| Model | UQD | .A | UQD.Z | |||
| Explosion type | Exia | Exd | Exia | Exd | ||
| Explosion mark | ExiaⅡCT5 | ExdⅡCT1～T6 | ExiaⅡCT1～T6 | ExdⅡCT1～T6 | ||
| Model | Code | Contents | |||||||||
| UQD. | Smart Ball Float Level (Interface) Transmitter | ||||||||||
| Controller Type | A | Analog type | |||||||||
| Z | Smart type | ||||||||||
| － | |||||||||||
| Angle Type | 90 | Small angle type | |||||||||
| 91 | Big angle type | ||||||||||
| – | |||||||||||
You can request the necessary certificates, documentation, instructions and user manuals for DDTOP UQD using the special form.
You can buy DDTOP UQD in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. DDTOP UQD price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.
