过程万用表回路电源，4 ～ 20 mA数字万用表输出功能

CA450 Series

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4 to 20 mA Step, 0 to 100% Toggle, Auto Step, Sweep Output
Transmitter Simulate by SINK Function
HART® Mode Setting with Loop Power (Adds 250Ω Resistor)
24V Loop Power Supply and mA Measurement Available Simultaneously
High Accuracy Measurement of DC mA 0.05%, 30.000 mA
DCS Power Supply Crest Value Measurement by Peak Hold Function
Direct Reading (ACA/ DCA) of Various Signals by Sensor Mode
Data Transmission by PC Communication with IR-USB*

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产品描述

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 250? 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

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: A pproximately 140 hours
    DC Current Output (SIMULATE): A pproximately 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
Vibration: 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

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产品描述

Process Calibrator

CA450

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Process Multimeter with loop power and 4 to 20 mA output function

† 所有金额以RMB显示
注: Comes complete with 4 “AA” alkaline batteries, test leads, lead cables, fuses (inside the CA450), blank cover and operator’s manual.