75
18.
APPENDIX
18.1
Technical data
Measuring inputs
:
2590-2A/4AS
2/4 ALMEMO
®
sockets for ALMEMO
®
connectors
Measuring channels :
2/4
primary
channels,
electrically
isolated,
3 additional channels per input for double sensors
and function channels
A/D converter :
Delta-sigma, 16-bit, 2.5/10mops, Reinforcement 1.38
Sensor power supply :
6V/9V12V, 0.4A (with mains adapter : 12 V)
Outputs :
2 ALMEMO
®
sockets for all output modules
Standard equipment :
Display:
Graphics, 128 x 64 pixels, 8 rows of 4 mm
Operation :
7 keys (of which 4 softkeys)
Memory :
100
measured
values
in
RAM,
MMC memory connector
(2590-4S only):
500-KB EEPROM (60000 to 100000 meas. values)
Date and time-of-day : Real-time clock buffered (10ppm) with device battery
Power supply
:
External 6 ... 13 VDC ALMEMO
®
socket DC
Batteries :
3 AA alkaline batteries
Mains adapter :
ZA 1312-NAx 230 VAC to 12 VDC, minimum 1 A
Adapter
cable,
electr.
isol.
ZA2690-UK
10...30 VDC to 12 VDC, 0.25 A
USB Data Cable Supply
ZA1919-DKU9 9V, 0.2A
Current consumption without
Active mode :
approx. 12 mA (at 4.5V)
input and output modules :
With illumination : approx. 42 mA (at 4.5V)
Sleep mode
approx. 0.05 mA
Housing
:
(LxWxH)
127
x
83
x
42
mm
ABS,
weight : approx. 260 g
Suitable conditions
Operating temperature
-10 ... +50 °C (storage temperature -20 to +60 °C)
Ambient relative humidity :
10 ... 90 % rH
(non-condensing)
(see Manual 2.3)