Specifications; General Specifications - Omega CA450 User Manual

3. Specifications

3.1 General Specifications

Measurement functions: DC voltage, A C voltage, DC current, resistance, frequency, continuity
Additional functions: D ata hold (D•H); auto hold (A•H); peak hold (P•H); auto range (Auto);
Output functions:
Additional functions: Current span switching and current sweep output
Operation methods:
Display: -digit LCD (7 segment)
Numeric display
Subdisplay
Polarity indicator
Over range indicator "OL"
Low-battery indicator
Measurement cycle:
Operating temperature and humidity: –20°C to 55°C (80% RH or less) with no condensation
Storage temperature and humidity:
Temperature coefficient (typ.):
Power supply:
Battery life:
check, diode test
range hold (Range Hold); maximum, minimum, and average value
recording and measurement; zero adjustment (Ω); relative measured
value display (RELΔ, REL%); 24 V loop power supply; internal
resistor on/off for HART communication
2 0 mA DC current for current output SOURCE and current output
SIMULATE(SINK)
Measurement: ΔΣ modulation
Output: Multiplicative DA
Measurement
DC current: 000
Frequency: 9999
Other: 6600
D isplays supplemental information for various functions
Automatic display. Only the minus sign "–" appears.
appears when the battery voltage is below the
operating voltage.
2 . to  times a second (however, frequency measurement
takes place once a second)
Within the range of 40°C to 55°C, the humidity must be
70% RH or less.
–40°C to 70°C (70% RH or less) with no condensation
In the ranges of –20°C to 18°C and 28°C to 55°C,
add the accuracy of 23°C ± 5°C × 0.1/°C.
Four AA-size alkaline batteries (1.5 V LR6)
When using alkaline batteries
DC voltage measurement: Approx. 0 hours
DC current output (SIMULATE): Approx. 0 hours
DC current output (SOURCE) 12 mA (500 Ω load):
Approx. 0 hours
DC current: 2000

Output