Delta-T Devices DL6, Руководство пользователя

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28
z
Specifications
DL6 User Manual v
1.
3
Specifications
Inputs/outputs
Number
Range
DL6 A
ccuracy
logger -10 to +50
q
C
Notes
6
0
.0
-
0.
1 m
3
.m
-3
r
0.
001 m
3
.m
-3
A
n
alogue channels
(soil moisture)
6
0
.1
-
0.
6 m
3
.m
-3
r
1% of reading
Applicable to : ML2 (up to 100m
cable)
PR2 (up to 100m
cable)
PR1 (up to 25m
cable)
Mineral & organic soil calibrations
A
n
alogue channels
(DC v
o
ltage)
6
-10 to 1150 m
V
Com
m
on m
ode r
ange
-0
.2
to
3
V
r
(0.3m
V
+ 0.2% of reading)
+ com
m
on m
ode error:
0.25m
V/V
Logger can read either volum
etric
water content or voltage (not both)
Temperature channels
1
sensor
-20 to +60°C
r
0.
4
q
C
Using ST1 or ST2 therm
istor or
other 2k therm
istor
Ev
ent counter channels
(using rain gauge)
1
-
0.2m
m
Using RG2, m
ax 5 events/second
Sensor excitation
6
5
-
9V at 120m
A
-
Uses internal battery voltage supply
A
larm out
1
1A, 25V DC/AC
-
Isolated
relay
switching 2A m
ax *
Feature
Full
scale
Notes
F
eature
No. /
rating
Notes
Logging frequency
1s to 24hr
User selectable with accelerated logging option
PC connection
1
Via RS232 connection (USB to RS232 converters are available)
A
ccelerated
logging
1s to 24hr
User selected - rain gauge or event triggered
Battery lifetime
1y
r
6 alkaline AA cells last for up to one year (depends on logging fr
equency
)
Reading capacity
16k readings
Auto-wr
ap or
stop logging
user selectable
Env
iron-
mental
IP6
7
-20 to +60°C Operating -10 to +50°C Full accuracy
* Alarm
relay
rated 2A but the fuse is
1A. Alarm
out should support brief 2A
Note: The DL6 conforms to mandatory
EU regulations regarding electromagnetic
emissions and susceptibility
. The full analogue accuracy
is not maintained in
strong RF fields, but is unaffected by
GSM 900 MHz phone pulse simulations.
See CE
&
E
MC
Conformance
p
a
g
e 32