PDS863 series liquid level transmitter (convex diaphragm)

PDS464 liquid level transmitter is used to measure the liquid level and convert it to 4-20ma d.c.Current (overlay the hart communication) or PROFIBUS-PACommunication signal, FF communication signal output; remote setting, monitoring and other functions can be realized through. 

The communication equipment Accuracy:

Measurement ratio:  r≤10          δ≤0.074%

Measurement ratio: 10＜r≤30   δ≤0.0074r%

Includes basic error, return difference, end-base consistency and reproducibility effects 

Long term stability:

δ≤0.08 %FS/1 year 

δ≤0.15 %FS/1year       

Temperature influence:

δ≤(0.1*r+0.2)%                    -10℃～+60℃                              

δ≤(0.1*r+0.15)%/10℃         -40℃～-10℃及+60℃～+85℃      

Effect of static pressure:

Zero point effect: δ≤(0.15*r)%/4MPa

Measurement range effect: δ≤(0.2*r)%/4MPa

Power load impact 

In the range of 15.8v≤u≤ 45v,230ω≤r≤ 500 ω, the effect of the power change shall not exceed 0.005% / v. of the calibration range 

Electromagnetic compatibility

Under the following electromagnetic environment conditions, the impact amount shall not exceed 0.1% of the set measuring range. 

Magnetic field strength: ≤400A/m

Radio frequency interference: ≤10V/m（80MHzà1GHz）

Static disturb: ≤8000V

Electric fast transient pulse group interference: ≤2000V（5kHz）

Process media: gas,fluid or steam 

Display: LCD display contains five primary variables, five-bit units, and other flag segment codes. 

Low-end value and high-end value are adjusted 

Don't interfere with each other, ustaster, handheld terminal or native settings are available, if the set range is not less than the minimum range, any setting between the lower and upper limits can be set 

Applicable temperature

-40～+85℃（fill silicone oil）

-35～+85℃（LCD display）

（Instinsic safty ≤60℃）

Process temperature: -40～+200℃

Suitable humidity: relative humidity ≤ 95%

Overpressure and static pressure limits: Flange nominal pressure 

Fault alert

When the transmitter component is faulty, the self-diagnostic program drives the output warning message or the set alarm current as selected by the user. Check the fault information use a handheld terminal. 

Configuration: Native keys are set or configured through communication 

Explosion proof certification: Instinsic safty（Ex iaⅡC T6）and explosion suppression（Ex dⅡC T6）

Shell IP grade: IP67

Installation: Flange install directly 

Weight: vary by flange specifications 

Product range and measuring range