Density Meter LB 444 SECTION 7. TECHNICAL DATA
80
Power Supply
Input voltage:
+11 to 16 V
Power consumption:
Typically 60 mA max. 90 mA
Feed voltage:
Typically 13.6 to 14.1 V
Housing sealing
:IP65
Screwed cable gland:
PG7, cable diameter: 4 to 6.5 mm
Permissible
cable resistance:
29 Ohm (for wire and return wire)
Connection cable:
Two-wire
Cable properties:
Z = 63 Ohm, attenuation –1.53 db/100m
Max. cable length:
Cross section in mm
2
Max. cable length in m
1 750
1.5*) 1000
2.5*) 1800
*) Connection box for adaptation of the cable diameter required
Data Transfer
Transfer procedure:
ASK (
A
mplitude-
S
hift-
K
eying = high-frequency carrier turned
on and off by data bits)
Transmission period:
250 ms
Detector List
Type Ex protection Crystal size
mm
Weight
kg
Operation
code
LB 5440
No 25/25 18 0
LB 5441
No 40/35 18 0
LB 5442
No 50/50 18 0
LB 4440
Yes 25/25 18 0
LB 4441
Yes 40/35 18 0
LB 4442
Yes 50/50 18 0
To Next Page
Loading...
