Pressure transmitter TST-K20

Pressure transmitter TST-K20

Measuring ranges from -1 ... 0 bar to 0 ... +20 bar

Also as intrinsically safe version with ATEX-approval

Frontflush, dry ceramic measuring cell

Vacuum-proof and high overload resistance

Total measurement error ≤ 0.3 % FS

product description Pressure transmitter TST-K20

The TST-K20 pressure transmitters are equipped with a flush-mounted process connection with G 1/2 "external thread and a vacuum-resistant, dry ceramic measuring cell. TST-K20 pressure transmitters are especially suitable for the measuring of pressure in viscous media or liquids containing suspended solids or particles. The measuring range can be freely calibrated from -1 ... 0 bar up to 0 ... +20 bar and is characterized by a very high overload resistance. The permissible media temperature is -25 ... +100 °C, the measured value is displayed as a  4 ... 20 mA (2-wire) analog output signal. Measuring ranges ≥ 100 mbar are optionally also available with Ex approval (acc. to I M2 EEx ia I / II 1G EEx ia IIC T4 / T6).



Standard pressure ranges TST-K20 for gauge pressure measurement
Individual pressure ranges on request
Measuring range P(mbar) 60* 100 160 200 250 400 500
Overpressure P(bar) -0,3 / +4 -0,3 / +4 -0,3 / +4 -0,3 / +4 -0,3 / +4 -1 / +6 -1 / +6
Measuring range P(bar) 0,6 1,0 1,6 2,0 2,5 4,0 5,0
Overpressure P(bar) -1 / +10 -1 / +10 -1 / +15 -1 / +15 -1 / +15 -1 / +25 -1 /+40
Measuring range P(bar) 6,0 10 16 20 -1 ... +1  
Overpressure P(bar) -1 / +40 -1 / +40 -1 / +40 -1 / +40 -1 / +10  


* the total measurement error for this measuring range is ≤± 0.5 % FS

Technical data Pressure transmitter TST-K20
Electrical parameters  
Output signal
Operating voltage UB
Permitted max. load RA
4 ... 20 mA (2-wire)
9 ... 30 V DC
RA ≤ (UB - 9 V) / 20 mA
Response time (10 ... 90 %) < 200 ms
Accuracy specifications  
Total error at RT

≤± 0.30 % FS - including nonlinearity, hysteresis, zero point and full scale error
(according to IEC 61298-2).
Stability per year ≤± 0.3 % FS