Datcon DT4240 Series, Operating Instructions Manual

Page: 65 / 76

DT4240 xx xx xx xx
20230503-V0
65
Measuring parameters
Characteristic: linear
Display accuracy:
0.2% @ Ta = 23 ˚ C ±2 ˚ C,
(after 10 min warm up time)
Temperature-dependency: 25 ppm / ˚ C
Measuring frequency: 12 measurements / sec
Number of averaged samples: 1 / 2 / 4 / 8 / 16 / 32 / 64 (adjustable)
Limit outputs (optional)
Output type: 2 x SPST relays
Contact rating: 240 V AC, 3 A AC / 30 V DC, 3 A DC
Refreshing time: same as the display’s one
Hysteresis: 0 – 3000.0 (adjustable)
Active analog output (optional)
Output type: galvanic isolated DC current
Output ranges: 4-20 mA / 0-20 mA (scalable)
Characteristic: linear
Accuracy: 0.03%
@ Ta = 23 ˚ C ±2 ˚ C,
(after 10 min warm up time)
Accuracy: 0.4 % @ -20°C < Ta < +60 ˚ C
Temperature-dependency: 75 ppm / ˚ C
Burden: max. 500 ohm
Overcurrent protection: 25 mA
Overvoltage protection: 75 V (normal polarity)
Reverse polarity: protected by 63 mA fuse
Isolation voltage: 0.5 kV
Passive analog output (optional)
Output type: galvanic isolated DC current
Output ranges: 4-20 mA / 0-20 mA (scalable)
Characteristic: linear
Accuracy: 0.03%
@ Ta = 23 ˚ C ±2 ˚ C,
(after 10 min warm up time)
Accuracy: 0.4 % @ -20°C < Ta < +60 ˚ C
Temperature-dependency:: 75 ppm / ˚ C
Output supply voltage: 4 V - 30 V
Overcurrent protection: 25 mA
Overvoltage protection: 75 V
Maximum loop resistance: R
max
= (U - 4 V) / 0.02 A [ohm]
(U voltage of external power supply)
Minimum loop resistance: U < 20 V not required
U > 20 V R
min
= (U - 20 V) / 0.02 A [ohm]
(U voltage of external power supply)
Isolation voltage: 0.5 kV