Gefran M7 SIL2-B07D - Melt High Temperature

Accuracy (1) H <±0.25%FS (100...2000 bar)
M <±0.5%FS (17...2000 bar)
Resolution Infinite
Measurement range 0..17 a 0..2000bar
0..250 a 0..30000psi
Maximum overpressure
(without degrading performances)
2 x FS
1.5 x FS above 1000bar/15000psi
Measurement principle Extensimetric thick film
Power supply 10...30Vdc (B)
15...30 Vdc (C,7)
Maximum current absorption 25mA
Insulation resistance (at 50Vdc) >1000 MOhm
Output signal Full Scale FS 10.5 Vdc (7) – 5.1Vdc (B)
10.1Vdc (C)
Zero balance (tolerance ± 0.25% FS) 0.5 Vdc (7) - 0.1Vdc (B, C)
Zero signals adjustment
(tolerance ± 0.25% FS) “Autozero” function
Span adjustment within ± 5% FS See Melt Manual
Maximum allowed load 1mA
Electronic response time (10...90% FS) ~ 1ms
Output noise (RMS 10-400Hz) < 0.025% FS
Calibration signal 80% FS
Output short circuit and reverse polarity
protection YES
Compensated temperature range 0...+85°C
Operating temperature range -30...+105°C
Storage temperature range -40...+125°C
Thermal drift in compesated range:
Zero / Calibration / Sensibility < 0.02% FS/°C
Diaphragm maximum temperature 400°C / 750°F
Zero drift due to change in process
temperature (zero) 0.02 bar/°C
Zero drift temperature for
Autocompensated version (SP) within the
temperature range 20°C-400°C inclusive
the drift temperature of the housing
< 0.003 bar/°C 100 ≤ p < 500 bar
0.0014 %FS/°C p ≥ 500 bar
Standard material in contact
with process medium
Diaphragm:
• 15-5 PH with GTP+ coating
• 17-7 PH corrugated diaphragm
 with GTP+ coating for ranges
 <100 bar(1500psi)
Stem: • 17-4 PH
Thermocouple (model M72) STD: type “J” (isolated junction)
Protection degree (with 6-pole female
connector CON300) IP66
SIL2 certification IEC/EN 62061
 IEC 61508