6
7
pppppHHHHH 212 AND
212 AND
212 AND
212 AND
212 AND pppppHHHHH 213
213
213
213
213
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
SPECIFICATIONS
FUNCTIONAL DESCRIPTION
FUNCTIONAL DESCRIPTION
FUNCTIONAL DESCRIPTION
FUNCTIONAL DESCRIPTION
FUNCTIONAL DESCRIPTION
pppppHHHHH 212 AND
212 AND
212 AND
212 AND
212 AND pppppHHHHH 213
213
213
213
213
1) Liquid Crystal Display (LCD).
2)
CFM
key, to confirm different values.
3)
CAL
key,
to enter or exit/escape calibration mode.
4)
°C key, to manually decrease temperature or select pH buffer.
5)
°C key, to manually increase temperature or select pH buffer.
6)
MR
key, to recall the stored value.
7)
MEM
key,
to store a value into memory.
8)
COMM
key, to set the baud rate and the command prefix.
9)
RANGE
key, to select measurement range.
10) ON/OFF switch.
11) Power adapter socket.
12) BNC electrode connector.
13) Electrode reference socket.
14) Temperature probe socket.
15) RS232 serial communication connector.
Front Panel
Primary LCD
Secondary LCD
1
9
3
2
7
4
6
5
10
8
Rear Panel
POWER
12VDC
INPUT
TEMP
RS232
REF
11
13 14
15
12
Functions
pH Calibration
pH 213
Microprocessor pH Meter
Confirm 2
Buffer
nd
CFM
Select 2
Buffer
nd
/
Confirm 1
Buffer
st
CFM
/
Select 1
Buffer
st
Start Calibration
CAL
COMM
RS232 Communication
MR
Memory Recall
Select pH / ORP
RANGE
MEM
Memorize Reading
MR
MEM
COMM
C
C
RANGE
CFM
CAL
E
G
N
A
R
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