DT4227 UI (PS)
32
20200205-V0
10. Appendix
10.1. Technical specifications
* = default settings
Input parameters
Input signal:
DC current / DC voltage
Measuring range:
0-20 mA / *4-20 mA
0-10 V / 2-10 V / 0-5 V
Input resistance:
12
Ω
(current input)
55 k
Ω
(voltage input)
Overrange:
±50 mA (current input)
±200 V (voltage input)
Display
Display unit:
LED, 5 digit (+ values) / 4 digit (- values),
7 segment, negative sign, setable decimal point
Character height:
56.9 mm
Display color:
red
Display brightness:
Adjustable from10% to *100% in 10% steps.
Display range:
-9 999–99 999
Relation between the display
and the input signal:
Any values to be displayed could be selected
(within the display range) to be assigned to the
input values.
Display refresh time:
0.01 / 0.1 / 0.3 / *0.5 / 1.0 / 2.0 sec (adjustable)
Indicator LED:
Yellow (not used in this model)
Manual controls:
3 membrane push-buttons on the front cover
Measuring parameters
Characteristic: Linear
Display accuracy at 23 °C ±2 °C, after 10 min
warm up time:
0.02%
Display accuracy at whole operating
temperature range:
0.2%
Temperature-dependency: 25
ppm
/
°C
ADC sample rate:
122 SPS
Number of averaged samples:
Display refresh time / ADC sample rate. (*61)
