ATEX-Pressure transmitter TST-SMX 2

ATEX-Pressure transmitter TST-SMX 2
data sheet

Intrinsically safe pressure transmitter with ATEX approval

Ex approval for Zone 0: II 1G Ex ia IIB T4 or II 1G Ex ia IIC T4

Ex approval for Zone 1: II 2G Ex ia IIC T4

IECEx approval acc. Ex ia IIB T4 Ga or Ex ia IIC T4 Gb (Ga with M12x1)

Measuring ranges from +10 ... +600 mbar to 0 … +1000 bar

Output signal 4 … 20 mA

product description ATEX-Pressure transmitter TST-SMX 2

TIVAL Sensors TST-SMX 2 pressure transmitters are designed for use in potentially explosive atmospheres.
The TST-SMX 2 pressure transmitter with ATEX or IECEx approval is available for this purpose.
The ATEX approval is available for Zone 0 acc. II 1G Ex ia IIB T4 or II 1G Ex ia IIC T4 and for Zone 1 acc. II 2G Ex ia IIC T4, the IECEx approval is available acc. to Ex ia IIB T4 Ga or Ex ia IIC T4 Gb (Ex ia IIC T4 Ga only with M12x1 connector). The measuring range can be freely selected, starting with the small millibar measuring range of +10 ... +600 mbar up to a measuring range of 0 ... +1000 bar. As an output signal, the TST-SMX 2 has a 4 ... 20 mA analog output in 2-wire technology.



Standard pressure ranges TST-SMX 2
Individual pressure ranges on request
Measuring range P(mbar) 10 16 20 25 40 60 100 160 200 250 400 600
Overpressure P(mbar) 50 80 100 125 200 300 500 800 1000 1000 1000 1000
Bursting pressure P(mbar) 150 240 300 375 600 900 1500 2400 3000 3000 3000 3000
Measuring range P(bar) 1,0 1,6 2,0 2,5 4,0 6,0 10,0 16,0 20 25    
Overpressure P(bar) 6 6 6 10 10 20 20 40 40 100    
Bursting pressure P(bar) 9 9 9 15 15 30 30 60 60 150    
Measuring range P(bar) 40 60 100 160 200 250 400 600 100      
Overpressure P(bar) 100 200 200 400 400 750 750 840 1200      
Bursting pressure P(bar) 150 300 300 600 600 1000 1000 1050 1500      




Technical data ATEX-Pressure transmitter TST-SMX 2
Electrical parameters  
Output signal
Operating voltage UB
Permitted max. load RA		 4 ... 20 mA (2-wire)
20 ... 27 V DC
RA ≤ (UB - 16 V) / 20 mA, at least 100 Ω
Response time (10 ... 90 %) < 1 ms
Accuracy specifications Pressure range 0 ... +1000 bar Pressure range +10 ... + 600 mbar
BFSL ≤± 0,25 % FS ≤± 0,50 % FS
Total error at RT


 ≤± 0,50 % FS *
Optionally available with increased
measuring accuracy of ≤± 0.25 % FS		 ≤± 1,00 % FS *
Optionally available with increased
measuring accuracy of ≤± 0.50 % FS
  * Including nonlinearity, hysteresis, zero point and full scale error
(according to IEC 61298-2).
Stability per year ≤± 0,20 % FS ≤± 0,40 % FS