WIKA A-AI-2 User Manual
Page 9
3 Specifications
WIKA operating instructions, model A-AI-2
9
Specifications
Display
■
Actual value
LED, 4 -digit, character size 7 mm
■
Indication range
-1999 ... +9999
■
Decimal point
freely selectable
■
Accuracy
± 0.2 % of the measuring span ± 1 digit
■
Sampling rate
50 measurements/sec
■
Operation
membrane keypad on the front or push-buttons behind the
cover of the case
Input
■
Input signal
4 … 20 mA (2-wire)
■
Max. permissible input
25 mA (40 mA short term)
■
Voltage drop
DC 5.5 V
Switching output
■
One output
Open Collector, galv. isolated,
max. DC 28 V, load max. 20 mA, connection via angular
connector, no short-circuit protection
■
{two outputs}
Open Collector, galv. isolated,
max. DC 28 V, load max. 1 A, connection via female M8-
connector, no short-circuit protection
■
Reaction time
≤
20 ms
■
switching point / hysteresise
freely selectable
Equipment
■
Filter
activatable, 3 filter stages
■
Min/Max value memory
retrievable via keypad
■
Control characteristic
ON/OFF (two-point control)
■
Alarm function
Min-/Max alarm with settable time delay
Electrical connection
to transmitter with 4 ... 20 mA and angular connector to DIN
43650, polarity-free mounting
CE-conformity
■
EMC directives
2004/108/EG, EN 61326 Emission (Group 1, Class B) and
Immunity (industrial locations)
Permissible
■
Operating temperature
-25 ... +50 °C
■
Storage temperature
-30 ... +85 °C
■
Humidity
0 ... 80 % relative humidity (no condensation)
Temperature effect on the indication
0.1% / 10 K
Case
■
Material
ABS case, polycarbonate front panel, membrane keypad
■
Ingress protection
IP 65 (when properly fitted)
■
Weight
approx. 80 g
■
Dimensions in mm
approx. 50.5 x 90 x 39.5 (L x B x T) incl. angular plug
■
Scope of delivery
Attachable indicator, mounting screws, profile sealing,
operating instructions
For further specifications see WIKA data sheet AC 80.08 and the order documentation.