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concentration meter digital 4-20mA RS485 modbus insertion tuning fork density sensor
Description of concentration meter digital 4-20mA RS485 modbus insertion tuning fork density sensor
concentration meter digital 4-20mA RS485 modbus insertion tuning
fork density sensor is principle of vibrating density meter
with high precision, high applicability via introducing foreign
advanced frequency tracking technology. Product design adopts
plug-in mounting, widely used in medium density measurement in
pipelines, open tank containers and closed tank containers.
concentration meter digital 4-20mA RS485 modbus insertion tuning
fork density sensor is composed of two piezoelectric crystals, one
piezoelectric crystal is used for generating vibration, the other
piezoelectric crystal is used for measuring vibration, fork sensor
built-in temperature sensor, provides temperature compensation.for
piezoelectric crystal vibration.
Specification of concentration meter digital 4-20mA RS485 modbus insertion tuning fork density sensor
| Measure range | 0–3g/cm3 (0 – 3000 kg/m3) |
| Accuracy | ±0.001g /cc (±1 kg/m3) |
| Operating temperature | -50℃ ~ +200℃ |
| Max work temperature | 20MPa |
| Fluid viscosity range | 0 – 20000 cP |
| Temperature coefficient | 0.1 kg/m3/℃ |
| Pressure influence | Can be ignored |
| Built in temperature sensor | PT100 |
| Wetted part material | Stainless steel, Hastelloy C22, manganese alloy 400, titanium alloy, etc. |
| Fork body coating | Standard type, PTFE or electrolytic polishing |
| Power supply | 20–28 VDC,35–45 mA |
| Analog signal output | 4-20 mA, isolated, non self powered |
| Output accuracy(20℃) | ±0.1%FS, ±0.05%FS |
| Output repeatability (-40~ 85℃) | ± 0.05% FS |
| Process connection | 1.5"NPT threaded connections; din 50 PN40 and PN100 flange connections; |
| Protection | IP65 |
Feature of concentration meter digital 4-20mA RS485 modbus insertion tuning fork density sensor
1. Inserted type, easy to install.
2. Continuous on-line measurement
3. No moving parts, maintenance-free
4. Specific conditions do anti-corrosion design
5. Temperature compensation
6. Explosion-proof certificate(Exd II CT4)
7. Do long rod type design(max can do 2m)
8. Suitable for high pressure piping(max pressure 20Mpa)
Installation of concentration meter digital 4-20mA RS485 modbus insertion tuning fork density sensor
General installation principles:
1.The space around the bottom of the tuning fork is not less than
30 mm.The space around the tuning fork is not less than 12 mm.
2.The tuning fork body is not affected by strong currents.
3.The medium flows through the middle of the fork
4. For a more visual and systematic explanation of the installation
methods, several common installation methods are specially
arranged. When installing, refer to the following installation
methods:
Classic installation method 1: in-line installation (low flow rate)
Classic installation method 2: oblique insertion installation (high
flow rate)
Classic installation method 3: fixed installation kit installation
(custom installation kit)
Detaild picture of concentration meter digital 4-20mA RS485 modbus insertion tuning fork density sensor
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