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Process Multimeter
Loop Power, 4 to 20 mA Digital
Multimeter Output Function
CA450
U 4 to 20 mA Step,
0 to 100% Toggle, Auto
Step, Sweep Output
U Transmitter Simulate
by SINK Function
U HART® Mode Setting
with Loop Power
(Adds 250Ω Resistor)
U 24V Loop Power
Supply and mA
Measurement Available
Simultaneously
U High Accuracy
Measurement of DC mA
0.05%, 30.000 mA
U DCS Power Supply
Crest Value
Measurement by Peak
Hold Function
U Direct Reading (ACA/
DCA) of Various Signals
by Sensor Mode
U Data Transmission by
PC Communication
with IR-USB*
CA450 shown
smaller than
actual size.
The OMEGA® CA450 Process
Multimeter is a portable test
instrument to combine a digital
RMS multimeter and a loop
calibrator to give process
technicians the same functionality
in one tool. The model CA450
provides 24V loop power, reducing
the need for carrying a separate
power supply when performing
transmitter testing. And with its
built-in, selectable 250Ω HART
resistor, it also eliminates the need
for a separate resistor. Process
technicians can now do the same
job while carrying less equipment.
* For details visit omega.com/ir-usb
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CA450 shown calibrating a tunable diode laser during a final inspection test.
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SM
OMEGACARESM extended warranty
program is available for models shown on
this page. Ask your sales respresentative
Extended Warranty
Program
for full details when placing an order.
OMEGACARESM covers parts, labor and
equivalent loaners.
Input Range Accuracy
0.1 to 600.0 mV 0.09% +2
0.001 to 6.000V 0.09% +1
DCV
0.01 to 60.00V 0.09% +1
0.1 to 600.0V 0.09% +1
0 to 1000V 0.1% +1
0.001 to 30.000 mA 0.05% +2
DCA
0.01 to 100.00 mA 0.05% +2
Clamp 0.1 to 180A 1.2% +0.4 mV
—
50/60 Hz
0.1 to 600.0 mV 0.5% +5
0.001 to 6.000V 0.5% +5
0.01 to 60.00V 0.5% +5
ACV
0.1 to 600.0V 0.5% +5
0 to 1000V 0.5% +5
50/60 Hz 0.5% +5
500 Hz 1.0% +5
1 kHz 1.5% +5
ACA with Clamp Probe
Clamp 1 0.1 to 130.0A 0.5% +DCV accuracy
Clamp 2 0.1 to 500.0A 1.0% +DCV accuracy
ACA
Clamp 3 0.1 to 3000A 1.2% +0.4 mV @ 50/60 Hz
Clamp 1 0.5% +DCV accuracy
Clamp 2 1.0% +DCV accuracy
Clamp 3 1.2% +0.4 mV @ 50/60 Hz
0.1 to 600.0Ω 0.2% +2
0.001 to 6.000 kΩ 0.2% +1
Resistance
0.01 to 60.00 kΩ 0.2% +1
0.1 to 600.0 kΩ 0.2% +1
0.001 to 6.000 MΩ 0.35% +3
0.01 to 60.00 MΩ 1% +2
0.01 to 199.99 Hz 0.005% +1
Frequency
0.1 to 1999.9 Hz 0.005% +1
0.001 to 19.999 KHz 0.005% +1
Diode Test 0.001 to 2V 1% +2
Peak Hold DCV ±100 digit >6 ms
DC mA
SOURCE
0.001 to 25.000 mA 0.05% of range
20 mA SINK 0.001 to 25.000 mA 0.05% of range
24V
LOOP POWER
24V 20 mA @ 24V
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Specifications
Measurement Functions: DC voltage,
AC voltage, DC current, resistance,
frequency, continuity check, diode
test; data hold (D•H), auto hold (A•H),
peak hold (P•H), auto range (Auto),
range hold (range hold), maximum,
minimum, and average value recording
and measurement, zero adjustment
(q), relative measured value display
(REL, REL %), 24V loop power supply,
internal resistor on/off for HART
communication
Output Functions: 20 am DC current
for current output SOURCE and
current output SIMULATE (SINK);
current span switching and current
sweep output
Measurement Operation Method:
Modulation
Output: Multiplicative DA
Display: 5-digit LCD (7 segment)
Numeric Display, DC Current:
Measurement: 33000
Output: 25000
Frequency: 19999
Other: 6600
Sub Display: Displays
supplemental information for
various functions
Polarity Indicator: Automatic display;
only the minus sign “–” appears
Over Range Indicator: “OL”
Low-Battery Indicator: Appears
when the battery voltage is below the
operating voltage
Measurement Cycle:
2.5 to 5 times a second (however,
frequency measurement takes
place once a second)
Operating Temperature and
Humidity: -20 to 55°C (-4 to
131°F) (80% RH or less) with no
condensation; within the range of
40 to 55°C (104 to 131°F), the
humidity must be 70% RH or less
Storage Temperature and Humidity:
-40 to 70°C (-40 to 158°F) (70% RH or
less) with no condensation
Temperature Coefficient (Typical):
In the ranges of -20 to 18°C
(-4 to 64.4°F) and 28 to 55°C
(82.4 to 131°F), add the accuracy of
23°C ± 5°C × 0.1/°C
Power Supply: 4 “AA” alkaline
batteries (1.5 V LR6) included
Battery Life: When using alkaline
batteries
DC Voltage Measurement:
Approximately 140 hours
DC Current Output (SIMULATE):
Approximately 140 hours
DC Current Output (SOURCE)
12 mA (500 q load): Approximately
10 hours
Insulation Resistance: 100 MΩ or
greater at 1000 Vdc
Withstand Voltage: 6.88 kVac for five
seconds (between the input terminals
and the case)
External Dimensions: Approximately
90 W x 192 H x 49 mm D
(3.5 x 7.5 x 1.9")
Weight: Approximately 600 g (1.3 lb)
(including the batteries)
Safety Compliant Standards:
EN61010-1 and EN61010-031
Measurement Categories: 1000V
CATIII, 600V CATIV
For Current Measurement and
Output: 48 V maximum, 100 mA
maximum CAT I
Lead Cables (98064): 70 Vdc, 100 mA
CAT I; pollution degree 2, indoor use
Vibr
ation: Sweep vibration
frequencies 10 to 5 Hz to 10 Hz;
amplitude 0.15 mm (peak value);
duration 30 minutes
Shock: 1 m (3.3') drop test as defined
by safety standards
Altitude: 2000 m (6562') or less
EMC Standards: EN61326-1 Class
B, EN61326-2-2; EN55011 Class
B Group 1; influence of radiated
immunity: In RF electromagnetic fields
of 3 V/m
EN61326-1:
AC Voltage Measurement,
600 mV Range: 1.5% of range
DC Voltage Measurement,
600 mV Range: 1% of range
DC Current Measurement,
All Ranges: 1.5% of range
DC current Output: 1.5% of range
EN61326-2-2:
AC/DC Voltage Measurement,
6V Range or Higher:
Within 5 times the accuracy
To Order Visit omega.com/ca450 for Pricing and Details
Model No. Description
CA450
Accessories
Model No. Description
HHM450-93029
HHM450-93043
HHM450-99032
HHM450-99014
Comes complete with 4 “AA” alkaline batteries, test leads, lead cables, fuses (inside the CA450), blank cover and operator’s manual.
Ordering Example: CA450, process multimeter with loop power and 4 to 20 mA output function.
OCW-2, OMEGACARESM extends standard warranty to an additional two years.
Process Multimeter with loop power and 4 to 20 mA output function
For carrying the CA450, the test leads, and the lead cables
Large carrying case with hanger strap
Magnet hook (maximum weight 1.5 kg)
1000V CAT III, 600 V CAT IV red black 1 set
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