8-2 Specifications PLZ-U
8.1 Electrical Specifications
Unless specified otherwise, the specifications are for the following settings and con-
ditions.
• The warm-up time is 30 minutes (with current flowing).
• After warm-up, the PLZ-U must be calibrated correctly in an environment of 23
°C ± 5 °C.
• ** % of set denotes ** % of the input voltage, input current, or input power set-
ting.
• ** % of f.s denotes ** % of the rated input voltage, rated input current, or rated
input power.
• **% of rdg represents denotes ** % of the input voltage, input current, or input
power reading.
*1. Minimum voltage at which the current starts flowing to the PLZ-U is approximately 0.3 V.
(The PLZ-U detects no signal at an input voltage less than or equal to approximately 0.3 V and an input current
less than or equal to approximately 1 % of the range rating. Therefore, if the input voltage is gradually increased
from 0 V, no current will flow until 0.3 V is exceeded. If a current greater than or equal to 1% of the range rating
starts flowing, the current can flow at voltages less than equal to 0.3 V.)
*2. Vin: Load input terminal voltage
*3. At a current greater than or equal to (Vin/500 kΩ)
*4. Measurement frequency bandwidth: 10 Hz to 1 MHz
*5. Measurement frequency bandwidth: 10 Hz to 20 MHz
Model PLZ150U PLZ70UA
Rating
Operating voltage (DC)
*1
1.5 V to 150 V 0 V to 150 V
Current/power Range H 30 A / 150 W 15 A / 75 W
M 3 A / 150 W 1.5 A / 75 W
L 300 mA / 45 W 150 mA / 22.5 W
Isolation voltage of the load input terminal 500 VDC
Withstand voltage between load input terminal channels 500 VDC
CC mode
Operating range Range H 0 A to 30 A 0 A to 15 A
M 0 A to 3 A 0 A to 1.5 A
L 0 A to 300 mA 0 A to 150 mA
Selectable range 0 % to 105 % of f.s
Resolution Range H 2 mA 1 mA
M 0.2 mA 0.1 mA
L 0.02 mA 0.01 mA
Accuracy of setting Range H, M, and L
±(0.2 % of set + 0.2 % of f.s) + Vin
*2
/500 kΩ
Input voltage variation
*3
Range H 2 mA
M 1 mA
L 0.1 mA
Ripple
rms
*4
3 mA 7.5 mA
p-p
*5
30 mA 50 mA
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