Reference Manual
00809-0100-4148, Rev BA
July 2010
A-3
Rosemount 148
Weight
Enclosure Ratings
The Universal (option codes U and H) Heads are NEMA 4X, IP66, and IP68.
The Universal Head with
1
/
2
-in. NPT threads is CSA Enclosure Type 4X.
Performance
Specifications
EMC (ElectroMagnetic Compatibility) NAMUR NE21 Standard
The Rosemount 148 meets the requirements for NAMUR NE21 Rating
CE Mark
The Rosemount 148 meets all requirements listed under IEC 61326:
Amendment 1, 2006
Power Supply Effect
Less than ±0.005% of span per volt
Vibration Effect
The Rosemount 148 is tested to the following specifications with no effect on
performance:
Stability
For RTD and thermocouple inputs, the transmitter will have a stability of
±0.15% of reading or 0.15 °C (whichever is greater) for twelve months.
Code
Options
Weight
148
Head Mount Transmitter
42 g (1.5 oz)
U
Universal Head
520 g (18.4 oz)
H
Universal Head (SST)
1700 g (60 oz)
Susceptibility
Parameter
Influence
ESD
• 6 kV contact discharge
• 8 kV air discharge
None
Radiated
• 80 – 1000 MHz at 10 V/m AM
None
Burst
• 1 kV for I.O.
None
Surge
• 0.5 kV line–line
• 1 kV line–ground
None
Conducted
• 150 kHz to 80 MHz at 10 V
None
Frequency
Vibration
10 to 60 Hz
0.21 mm displacement
60 to 2000 Hz
3 g peak acceleration