5-2
5.2 DC Current and DC Voltage Source Features
Item
Specifications (23°C ± 3°C, one year
after calibration)
Notes
Current 20 mA range
SOURCE
0 to 20.000 mA
Compliance voltage 24 V (when HART resistance
is OFF), 18 V (when HART resistance is ON)
The maximum setting is range×1.2.
Accuracy
0.015% of s 3 μA
20 mA range
SIMULATE
0 to 20.000 mA
External power supply 5 to 28 V (when HART
resistance is OFF)
External power supply 12 to 28 V (when HART
resistance is ON)
The maximum setting is range×1.2.
Accuracy
0.015% of s 3 μA
Voltage 5 V
0 to 5.0000 V
The maximum setting is range×1.1.
Load current 1 mA max. (load resistance ≥ 5 kΩ)
Accuracy
0.015% of s 0.5 mV
Temperature coefficient
Add accuracy×(1/10)/°C
–10 to 20°C, 26°C to 50°C
Source load condition
C ≤ 0.1 μF
L ≤ 10 mH
Source voltage to ground
42 Vpeak
Voltage limiter
approx. 36 V
Current limiter
approx. 30 mA
Loop feature
Step and linear
5.3 DC Current and DC Voltage Measurement
Features
Item
Specifications (23°C ± 3°C, one year
after calibration)
Notes
Current
20 mA range
Measurement range 0 to ±20.000 mA
The maximum display value is
range×1.2.
Internal impedance < 10 Ω
Resolution 1 μA
Accuracy 0.015% of r 3 μA
100mA range
Measurement range 0 to ±100.00 mA
The maximum display value is
range×1.2.
Internal impedance < 10 Ω
Resolution 10 μA
Accuracy 0.015% of r 30 μA
Voltage
5V range
Measurement range 0 to ±5.0000 V
The maximum display value is
range×1.1.
Internal impedance < 1 MΩ
Resolution 0.1 mV
Accuracy 0.015% of r 0.5 mV
50V range
Measurement range 0 to ±50.000 V
The maximum display value is
range×1.1.
Internal impedance < 1 MΩ
Resolution 1 mV
Accuracy 0.015% of r 5 mV
LOOP
Supply voltage
Supply current
24 V ± 1 V, 24 mA
HART resistance OFF,
short current < 35 mA
24 V ± 6 V, 20 mA
HART resistance ON,
short current < 35 mA
20 mA range
Measurement range 0 to 20.000 mA
The maximum display value is
range×1.2.
Resolution 1 μA
Accuracy 0.015% of r 3 μA
Temperature
coefficient
Add accuracy×(1/10)/°C
–10 to 20°C, 26°C to 50°C
CMRR:
Approx. 120 dB (50/60 Hz)
NMRR:
Approx. 60 dB (50/60 Hz)
Current terminal input protection:
PTC protection
Measurement terminal maximum input: Voltage terminal 50 V DC
Current
terminal
120
mA
Measurement unit voltage to ground:
50 Vpeak
Summary of Contents for CA700
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