Brochure/Catalogue

K
Accessories
K.172729490000
Portacal 275
Calibration device for current and voltage signals
H
W
L
PORTACAL 275
+ Current -
+ Voltage -
Technical data
Output of voltage mode
Output voltage
Resolution
Output resistance
Accuracy
Output current mode
Output current
Resolution
Last resistor, max.
Output voltage, max. @ current sink
Accuracy
Residual ripple
Settings
Range of adjustment
Output, variable
Output, fixed
General data
Temperature coefficient
Accuracy
Voltage supply
Ambient temperature
Storage temperature
Type of connection
EMC standards
Approvals
Dimensions
Length x width x height mm
Note
Ordering data
Note
Accessories
Note
Portacal 275
0...5 V / 1...5 V; 0...200 mV / 40...200 mV
0.01 V
250 Ω @ V / 10 Ω @ mV
< 0.2% (0% and 100%)
0 (4)...20 mA
0.01 mA
700 Ω (current source)
(V
out
- 4) / 0.02 Ω (current sink)
4...45 V DC
< 0.1% (0% and 100%)
< 1 µA
0 (4)...20 mA / 0...200 mA (current source).0
...5 V (voltage source) or as current sink
selectable with toggle switch
0...100 % with precision potentiometer
0 or 100 % with toggle switch
typ. 40 ppm @ °°C
0.25 % of signal range
Batteries, 2 x 9-V blocks 6...22 mA (current source)
2 mA (current sink)
0 °C...60 °C
-25 °C...70 °C
Socket connector
DIN EN 61326
CE; cULus
31 / 62 / 112
Including two one-metre-long test leads sw/rt with
banana plug/terminal and one bridge lead
Type Qty. Order No.
P275 1 7940010202
Wi
ring diagram
Portacal 275
(mA sink mode)
Power
suppler
C+ C- + –
Portacal 275
(mA source
mode)
Device with
current input
V+ V-
+ –
DVM
+ –
Device with
current input
+ –
Calibration of a transmitter with two-wire connection
Calibration of a transmitter with four-wire connection
and current output
V+ V-
DVM
+ – C+ C-
Portacal 275
(voltage output)
Device with
voltage or
current input
V+ V- + – C+ C-
Calibration of a transmitter with four-wire connection
and current or voltage input
Calibrators