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223-L Delmhorst Cylindrical Soil Moisture Block - Page 3
... by Campbell, are warranted by Campbell, and product specific training, is limited to repairing or replacing (at Campbell's option) defective products, which have no warranty. Campbell's obligation under this warranty. The warranty for installation services performed by Campbell such as programming to customer specifications, electrical connections to products manufactured by Campbell...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 4
... completed form must fill out a "Statement of the problem, an RMA number will be issued. Affiliate companies handle repairs for US and international customers residing in it. Campbell ...service on the outside of product receipt or is available from our web site at the customer's expense.
Campbell Scientific reserves the right to the customer at www.campbellsci.com/repair...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 7
...buildings.
• Avoid installing in depressions where water ...support combustion in slope unless wanting
to ensure the correct product and cable length are printed on the model...manual refers to the sensor as slow burning when tested according to a datalogger via an AM16/32-series, AM32, or AM416 multiplexer. Local fire codes may preclude its use with the shipping company.
• The model...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 9
Under Devices, select AM16/32, and select the right arrow (in center of 30 seconds or longer is recommended when using a multiplexer.
3. A scan rate of screen) to add it to the list.
3 223 Delmhorst Cylindrical Soil Moisture Block
NOTE
2. Select the Datalogger Model and enter the Scan Interval, and then select Next.
223-L Delmhorst Cylindrical Soil Moisture Block - Page 12
...
5. Saline or acidic soils tend to the sensor as the 223. The -L option on the model 223-L indicates that the 223 is configured for direct connection and has capacitors in the field over...with multiplexers.
The 227 Delmhorst soil moisture block is available for use with the soil.
This manual refers to degrade the block, reducing longevity. Select the AM16/32 tab and wire the ...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 14
Black with White Stripe (or White) to H
Black to U.L. 94 H.B. and will support combustion in FIGURE 7-1 and TABLE 7-1. The lead from the center electrode (white stripe or solid white) ...or White Excitation
H
Black
Signal Ground L
8 A 1k resistor at the datalogger is Santoprene® rubber. Local fire codes may preclude its resistance to complete the half bridge measurement.
223-L Delmhorst Cylindrical Soil Moisture Block - Page 15
... more information, see the multiplexer manual.
7.2.1.1 CRBasic
The generalized CRBasic programming sequence follows:
ACTIVATE MULTIPLEXER/RESET INDEX
Portset (1 ,1)
'Set C1 high to Enable Multiplexer
I=0... 16 sets
CLOCK PULSE AND DELAY
Portset (2,1)
'Set port 2 high
Delay (0,20,mSec)
Portset (2,0)
'Set port 2 low
INCREMENT INDEX AND MEASURE
I=I+1
'223 measurement instruction
'Storing...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 16
...
The generalized Edlog programming sequence follows:
ACTIVATE MULTIPLEXER/RESET INDEX For the CR10(X) and CR23X, use Edlog instruction Do (P86) to set the port low. For the 21X and CR7, use Edlog instruction Set Port(s) (P20) to set the port low.
7.2.2 Excite and Measure the 223
The sensor is connected to a control port.
For the...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 18
...0.9677 0.9701 0.9722
For the typical resistance values listed in CRBasic or by using Edlog instruction Polynomial (P55).
The polynomial is entered as an expression in TABLE 7-3, soil water potential... the 5th order polynomial (FIGURE 7-2 and TABLE 7-4). TABLE 7-5 shows the polynomial error. The polynomial to calculate soil water potential is calculated from sensor resistance (Rs) ...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 19
...
1.5
0.7727 0.34
1.5970
0.0970
1.8
0.8000 0.40
1.7834
-0.0166
2
0.8333 0.50
2.0945
0.0945
3
0.8780 0.72
2.8834
-0.1166
6
0.9259 1.25
6.0329
0.0329
10
0.9444 1.70
9.9928
-0.0072
ERROR (BARS) = TABLE 7-3 VALUES - Polynomial fit to Bars
BARS = C0 + C1(Rs) + C2(Rs)2 + C3(Rs)3 + C4(Rs)4 + C5(Rs)5
(BARS) MULT. (R1) C0
C1
C2...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 22
Wiring for CR10(X) example
*Table 1 Program
01:
60.0000 Execution Interval (seconds)
01: Do (P86)
1:
41
Set Port 1 High
;Enable multiplexer
02: Beginning of Loop (P87)
1:
0
Delay
2:
16
Loop Count
;Start of measurement loop
03: Do (P86)
1:
72
Pulse Port 2
;Clock Multiplexer ...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 23
223 Delmhorst Cylindrical Soil Moisture Block
08: Do (P86)
1:
51
Set Port 1 Low
;Turn off multiplexer
;The following loop if only recording block ... Because 2 blocks are measured ;with each Hour Minutes (Seconds --) into a Interval (same units as above) Set Output Flag High (Flag 0)
18: Set Active Storage Area (P80)
1:
1
Final Storage Area 1
2:
60
Array ID
;Fix the Array ID to ...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 24
Wiring for example 21X program
*Table 1 Program
01:
10
Execution Interval (seconds)
01: Set Port (P20)
1:
1
2:
1
Set High Port Number
;Enable multiplexer
02: Beginning of Loop (P87)
1:
0
Delay
2:
16
Loop Count
;Start of measurement loop
03: Excitation with Delay (P22)
;Clock Multiplexer ...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 25
... Rs > 17 load overrange value for potential
19 X Loc [ WatPo_1 ]
3:
33--
Loc [ BlockR_1 ]
3:
1.0
Mult (Rf)
;Calculate resistance from Vs/Vx
07: End (P95)
08: Set Port (P20)
1:
0
2:
1
Set Low Port Number
;Turn off AM416
;The following loop checks each pass through the previous measurement loop, it is simpler ;to use a separate loop...
223-L Delmhorst Cylindrical Soil Moisture Block - Page 26
...
17: If time is (P92)
1:
0
2:
60
3:
10
;Output Resistance and Water Potential each Hour Minutes (Seconds --) into a Interval (same units as above) Set Output Flag High (Flag 0)
18: Set Active Storage Area (P80)
1:
1
Final Storage Area 1
2:
60
Array ID
;Fix the Array ID to 60
19: Real Time (P77)
1:
220
;Output Day...
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