SPEC SHEET
Digital Indicating pH Meter
AER-102-PH• 48 x 96 mm, panel mounting type• Drip-proof/Dust-proof IP66 (for front panel only)• Power supply 24 V AC/DC (user-specified)• 2-points Contact output (standard), additional 2 points (optional)• Proportional control, max. 4 points of relay contact• Various settings & calibration via software communication (RS-485) (optional)• Cleansing output function• Transmission output 2 (optional)
NameModel

Digital indicating pH meter
AER - 1 0Input pointsInput22-PH,PHPower supply voltage

1OptionMeasurement
range
Repeatability
Linearity
Indication accuracy
Calibration function

Contact output
Transmission
output 1

Self-diagnosis
Temperature compensation range

Ambient temperature
Ambient humidity

C5
EVT3
TA22 points (pH, temperature)
Pt1000pH combined
Pt spec (*1)
electrode
Pt100
sensorCu spec (*1) Cu500/25
100 to 240 V AC (standard)
24 V AC/DC (*2)
Serial communication RS-485
EVT3, EVT4 outputs (Contact output 3, 4)
Transmission output 2 (*3)(*1) This input temperature specification was specified at the time of ordering.
(*2) Power supply voltage 100 to 240 V AC is standard.
When ordering 24 V AC/DC, enter 1 in Power supply voltage, after ‘PH’.
(*3) If Transmission output 2 (TA2 option) is ordered, EVT1 is not available.

pH value:
pH 0.00 to 14.00
Resolution: pH 0.01
Temperature: 0.0 to 100.0
Resolution: 0.1
pH value:
pH 0.05
pH value:
pH 0.05
Temperature: 1
2-points Automatic or Manual calibration
2-points Automatic calibration: Automatic electrode quality evaluation
Standard solution type: pH 2, 4, 7, 9, 10 (JIS)Combination of standard solution: pH7 (1st solution) and any 2nd solution
Manual calibration: 2 types of solution with a difference of 2 pH or more
Temperature calibration (1 point)
Relay contact 1aControl capacity: 3 A 250 V AC (Resistive load), 1 A 250 V AC (Inductive load, cos =0.4)
Electrical life: 100,000 cycles, Output action: P control, ON/OFF control
Converting pH, temperature or MV to analog signal every input sampling period, outputs thevalue in current. (Factory default: pH)
However, if ‘No Temperature Compensation’ is selected in [Electrode RTD], and if‘Temperature transmission’ is selected, the value set in [Reference temperature] will beoutput. If Transmission output 1 high limit and low limit are set to the same value,Transmission output 1 will be fixed at 4 mA DC.
Transmission output can be indicated with the bar graph.
Resolution: 12000, Output: 4 to 20 mA DC (Load resistance: Max. 550 )Output accuracy: Within 0.3% of Transmission output 1 span
The CPU is monitored by a watchdog timer, and if an abnormal status occurs, theinstrument is switched to warm-up status.
0.0 to 100.0
0 to 50 (32 to 122 )35 to 85 %RH (Non-condensing)Power supply(user-specified)
Structure

Protection
structure

Safetystandards
Dimensions
WeightSerialcommunication[C5 option]

EVT3, EVT4
outputs (Contactoutput 3, 4)[EVT3 option]
Transmission
output 2[TA2 option]

AER-102-PH: 100 to 240 V AC 50/60 Hz Allowable fluctuation range: 85 to 264 V AC
AER-102-PH 1: 24 V AC/DC 50/60 Hz
Allowable fluctuation range: 20 to 28 V AC/DC
Flush (Applicable panel thickness: 1 to 8 mm)
Case: Flame-resistant resin, Color: Black
Front panel: Membrane sheetDrip-proof/Dust-proof: IP66 (for front panel only)
Overvoltage category , Pollution degree 2 (IEC61010-1)
RoHS directive compliant
W48 x H96 x D110 mm, Case depth: 98.5 mm (when mounted through a control panel)
Approx. 280 g
The following operations can be carried out from an external computer.
(1) Reading and setting of various set values(2) Reading of pH, temperature and status(3) Function change and adjustment(4) Reading and setting of user save area
Cable length
1.2 km (Max), Cable resistance: Within 50(Terminators are
not necessary, but if used, use 120
or more on both sides.)Communication line
EIA RS-485
Communication
Half-duplex communication
methodCommunication
9600, 19200, 38400 bps (Selectable by keypad)
speedSynchronization
Start-stop synchronization
methodCode form
ASCII, BinaryCommunication
Shinko protocol, MODBUS ASCII, MODBUS RTU
protocol(Selectable by keypad)
Data bit/parity
8-bits/No parity, 7-bits/No parity, 8-bits/Even, 7-bits/Even,
8-bits/Odd, 7-bits/Odd (Selectable by keypad)
Stop bit
1, 2 (Selectable by keypad)
Error correction
Command request repeat system
Error detection
Parity check, Checksum (Shinko protocol),LRC (MODBUS protocol ASCII),
CRC-16 (MODBUS protocol RTU)
Data Format
Communication
ProtocolStart bit
Data bit
Parity17EvenStop bit

1

ShinkoProtocol

MODBUS ASCIIMODBUS RTU

17 (8) (Selectable)
Even (No parity, Odd)
(Selectable)
1 (2)(Selectable)

18
No parity (Even, Odd)
(Selectable)
1 (2)(Selectable)

Same as Contact output.

Converting pH, temperature or MV to analog signal every input sampling period, outputs thevalue in current.
(Factory default: Transmission output 1: pH, Transmission output 2: Temperature)
If ‘No temperature compensation’ is selected in [Electrode RTD], and if ‘Temperaturetransmission’ is selected, the value set in [Reference temperature] will be output.
If Transmission output 2 high limit and low limit are set to the same value, Transmission output
2 will be fixed at 4 mA DC. Transmission output can be indicated with the bar graph.
Resolution: 12000
Current: 4 to 20 mA DC (Load resistance: Max. 550 )Output accuracy: Within 0.3% of Transmission output 2 span

Screw type mounting bracket

96
48

Terminal cover(sold separately)

91

Gasket

11.5

106.2

Dimensions(Scale: mm)

98.5
104.5 (when terminal cover is used)

130

92＋0.80

Panel cutout(Scale: mm)

92＋0.80

n×48-3 ＋0.50Terminal
arrangement

45＋0.50

Horizontal close mounting
n: Number of mounted units

GND: Ground terminal ( 1 )POWER SUPPLY: Power terminals( 2 - 3 )EVT1: EVT1 output terminals(Contact output 1) ( 5 - 6 )EVT2: EVT2 output terminals(Contact output 2) ( 7 - 8 )TRANSMIT OUTPUT1:Transmission output 1 terminals ( 11 - 12 )G, R: Electrode sensor terminals ( 15 - 16 )E: Shield wire terminal ( 17 )T, T: Temperature compensation sensor
terminals Cu500 ( 18 - 19 )A, B: Temperature compensation sensorterminals
Pt100 (2-wire type), Pt1000 ( 18 - 19 )A, B, B: Temperature compensation
sensor terminals Pt100 (3-wire type)( 18 - 19 - 20 )When C5 option is ordered:
RS-485: Serial communication
2 connectors are wired internally.
When EVT3 option is ordered:
EVT3: EVT3 output (Contact output 3)
EVT4: EVT4 output (Contact output 4)
When TA2 option is ordered:
TRANSMIT OUTPUT2: Transmission
output 2 terminals ( 5 - 6 )202205 E04