Hanna Instruments HI 5000 - Manual (Page 12)

12
pH
0
SECONDS ppm
400 0
TIMER MINUTES
90
PROPORTIONAL SETTINGS
4 7
0
SECONDS pH
2.0 0
TIMER
MINUTES
90
PROPORTIONAL SETTINGS
900 1800 SLOPE CAL
ALARM
ON
OFF
100 300
SET
FERT
ppm
OFFSET SLOPE
ALARM
ON
OFF
0.5 1.5
SET
ACID
ALARM
HI 9935
1 10
2.5
5
7.5
1 10
2.5
5
7.5
ALARM
pH
5 6
ppm
FEED
FEED
1200 1500
pH
0
1
2
0
200
400 ppm
ALARM
SET pH
SET EC
ALARM
LINE
ZERO CAL
1
3
5
6
7
8
9
10
11
13
17
18
19
20
21
23
2
2
9 25
12
14
16
22
24
TDS
FUNCTIONAL DIAGRAM HI 9935 FUNCTIONAL DIAGRAM HI 9935 FUNCTIONAL DIAGRAM HI 9935 FUNCTIONAL DIAGRAM HI 9935 FUNCTIONAL DIAGRAM HI 9935
FRONT PANEL
Left panel
1. Alarm LED signal for pH
2. Liquid Crystal Display for pH and TDS (ppm or mg/L)
3. Acid feed LED and dial to adjust the pH setpoint
5. Alarm disable switch for pH
6. Slope calibration trimmer for pH
7. Offset calibration trimmer for pH
8. Proportional pH band and time cycle settings
9. Two independent overdosage timers
10. Alarm LED signal for TDS
11. Fertilizer feed LED and dial to adjust the TDS setpoint
12. Zero calibration trimmer for TDS
13. Slope calibration trimmer for TDS
14. Proportional TDS band and time cycle settings
16. Alarm disable switch for TDS
Right panel
17. pH alarm setting from 0.0 to 2.0 pH
18. Short the terminals if a pH ground probe is not in use, or
connect the ground probe wire to the Matching Pin terminal
19. TDS alarm setting from 0 to 400 ppm (mg/L)
20. Triple contact alarm in a Normally Closed (NC) or a Normally
Open (NO) position.