TESTO Saveris Series - Analog Couplers for Testo Saveris; Saveris Wireless Analog Coupler U1

8 Technical data
109
8.4 Analog couplers for testo Saveris
8.4.1 Saveris wireless analog coupler U1
Feature Value
Measuring range
2-wire: 4 to 20 mA
4-wire: 0/4 to 20 mA, 0 to 1/5/10 V
Accuracy / resolution (max.
15 bit / typ. 12 bit)
Current accuracy: ± 0.03 mA (min. 0.75 µA /
typ. 5 µA)
Voltage 0 to 1 V ± 1.5 mV (min. 39 µV / typ.
250 µV)
Voltage 0 to 5 V ± 7.5 mV (min. 0.17 mV / typ.
1.25 mV)
Voltage 0 to 10 V ± 15 mV (min. 0.34 mV / typ.
2.50 mV)
± 0.02% of m.v. / K (deviation from nominal
temperature 22°C)
Input
2- or 4-conductor current/voltage input
Channels
1 channel
Max. load
(24 V DC)
160 Ω
Protection class
IP54
Power supply
Mains unit 6.3 V DC, 20 to 30 V DC max. 25 V
AC
Buffer rechargeable battery
12
Li-ion
Operating temperature
+5 to +45°C
Housing dimensions (W x H
x D)
85 x 100 x 38 mm
Weight
Approx. 240 g
Housing material
Plastic
Radio frequency
868 MHz / 2.4 GHz
Measuring cycle
Can be set from 1 min to 24 h
12
Wearing part