ph 2-Point (Probe) ph (Probe) ON/OFF ON ph ph ( BUFFER ) CAL CLEAR 1PT ph SELECT BUFFER ENTER, (Probe) CAL 1PT2PT (identify) SELECT BUFFER ENTER, (Probe),
(Probe), ph (7pH)30 2 1 2 ph ph, ph 3, (,, )
ON OFF (Cap) ( ), (Hydrofluoric Acid), (Epoxy),,,,, 60 ph ON AC ph AC
&, ph mv AXX AXX XX 01 20 A03 03 (Error Codes) EXX, XX 01 20 E11 (Troubleshooting) () AUTO HOLD ( ),, ph, HOLD AUTO HOLD Meter Connections 9-pin RS232 AC Power,
(Chart) (Analog Recorder Output), ph (Probe Connector Jack) ( ) ph : ph ph ph mv : (mv) REL mv : (Relative Millivolt) BUFFER : (Select Buffer) 1PT : 2PT : 3PT : RECALL : Memory Recall STORE : PROBE : (Probe), :
: ON / OFF OFF ON 10 OFF 10, 10 OFF AC OFF : : ph : ph (Resolution) : mv mv (Relative) mv : SELECT BUFFER : : AUTO HOLD AUTO HOLD ON ph HOLD AUTO HOLD : (Memory Storage)
:, : (Mode) ENTER ( ) (Serial Port)
Clearing and Reconditioning the Probe (Cleaning with Detergent) ISFET (Probe) (, ) ISFET (Probe) Reconditioning with Warm Buffer ISFET, Reference JunctionKCI PH 7 45~ 60 (Probe)2, : 60
ISFET : Cleaning with Sodium Hypochlorite(Beach) ISFET 10:1 [ (; ;Sodium Hypochlorite) 05%]5 : 5 Sodium Hypochlorite
ph IQ240pH 0 ~ ph 14-50~ + 80 1, 2, 3 168, 401, 686, 700, 741, 918, 1001, 1188, 1245 : 60 ph (Probe) (54 ) 2,, ph 7 5, ph, ph 4 (Buffer Values) ph 700,, 2 4, Cleaning and Reconditioning, 001pH 01/001/0001 0001pH 01pH 01pH 0001pH 3
2 : ph ph85, ph 700 ~ ph 1001 1) 2), ph 700 5 3) 4) ON/OFF ON 5) ph ( )ph ph BUFFER 6) CAL, CLEAR 7) ph ph ph SELLET BUFFER ( IQ240 ph, 510 Changing Stored Automatic Buffer Recognition Values ) 8) ENTER ph(buffer ph Values) ph 1PT :, ph ph ( ph 700 20 ph 701 ph 1001 20 ph 1006 ) 9) 10) CAL
11) ph ph, ph SELECT BUFFER 2PT 12) ENTER PH (ph Buffer Value) PH 2PT 13) ph 2 14)
3 3 ph ph ph 1) 2 1 ~ 13 2), 3) CAL 4) ph ph, ph SELECT BUFFER 3PT 5) ENTER PH PH (ph Buffer Value)3PT 6) PH, 3 7) 1 1 ph, ph 01pH 1) 2 1 ~ 8 2) (ph Buffer Value, CLEAR, ph ph, (E10 E11) Troubleshooting Tips Cleaning and Reconditioning
Automatic Buffer Recognition ph 05 ph, ( 686, 700 741) IQ2409 (Factory Default Values)168, 401, 686, 700, 741, 918, 1001, 1188, 1245 SELECT BUFFER ENTER 001pH Automatic Temperature Compensation of Automatic Buffer Recognition Values (Factory Default Automatic Buffer Recognition values) (Temperature Correction Data) 25 ( ph 700 20 701 ),, ph
Changing Stored Automatic Buffer Recognition Values : 1) SELECT BUFFER 2), / ( ) 3) ENTER :,, dup (Duplicate) ph : Restoring Automatic Buffer Recognition Values to Factory Default 1) SELECT BUFFER 2) CLEAR Clr 3) ENTER
mv Measurement mv 1) 2)ON/OFF ON 3) [mv ] mv RELmV, mv mv mv : mv [mv][relative mv] AUTO HOLD, mv mv mv,, 0000mV (Standard), mv, 1) 2) ON/OFF ON 3) [mv ] mv RELmV mv mv mv 4) mv 5) CAL mv, 1PT 6) ENTER MV mv 0000 mv 7) MV
mv : HOLD [mv ][ mv] Locked mv Storing and Recalling Data IQ240 20 (, ph, mv, mv) A01 ~ A20 (Storing Sample Readings) 1) phmv 2) (Store Mode) STORE/RECALL STORE (AXX ) 3), / ( ) 4) ENTER Recalling Sample Readings 1) STORE/RECALL STORE 2) Recall STORE/RECALL RECALL 3) / ( ) 4) Contents ENTER Clr Clearing Data from One Storage Address 1) STORE/RECALL STORE 2) Recall STORE/RECALL
RECALL 3) / ( ) 5)CLEAR Clr 6) ENTER Clearing Data from All Storage Addresses 1) STORE/RECALL STORE 2) Recall STORE/RECALL RECALL 3) CLEAR ENTER ClrAll
Output Modes (000 mv 5916 mv) Recorder Output 9-pin DB-9 NULL MODEM (3m ) 20(Character) Carriage ReturnLine Feed Line Feed Baud Rate 300, 1200, 2400 : Device AC ENTER AC Serial Device CLEAR Device Baud Rate, 8 data bits, Non Parity, 1 stop bit ph, ENTER
Storing and Recalling Data ENTER STORE/RECALL STORE, Recall STORE/RECALL RECALL STORE/RECALL ENTER : Baud Rate 1) 01/001/0001 Baud Rate Baud Rate 2) Baud Rate 300, 1200, 2400 Baud Rate 300 3) Baud Rate ENTER Baud Rate,
: (AUTO HOLD- ) OFF 1) 2) CAL 3) / 005 4) ENTER Factory Default 1) CAL 2) CLEAR, ENTER
9V IQ240 200 : 1) 2) 3) 4) 5) 5)
Troubleshooting
Error Codes
IQ-240