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ORP
pH
50
Analog pH/mV input
pH socket, DIN 19 262 (13/4 mm)
pH range
-2 … 16
Decimal places *
)
2 or 3
Input resistance
1 x 10
12
Ω
(0 … 35 °C)
Input current
1 x 10
-12
A
(at RT, doubles every 10 K)
Measuring cycle
Approx. 1 s
Measurement error
1,2,3)
< 0.01 pH, TC < 0.001 pH/K
mV range
-1300 … +1300 mV
Measuring cycle
Approx. 1 s
Measurement error
1,2,3)
< 0.1 % meas. val. + 0.3 mV, TC < 0.03 mV/K
Memosens pH input
(also ISFET)
M8 socket, 4 pins, for Memosens lab cable or
M12 socket for Memosens sensors (Portavo 907 MULTI OXY only)
Display ranges
4)
pH
-2.00 … +16.00
mV
-1999 … +1999 mV
Temperature
-50 … +250 °C / -58 … +482 °F
Specifications
Sensor standardization *
pH calibration
Operating modes *
Calimatic
Calibration with automatic buffer recognition
Manual
Manual calibration with entry of individual
buffer values
Data entry
Data entry of zero and slope
Calimatic buffer sets *
-01- Mettler-Toledo
2.00/4.01/7.00/9.21
-02- Knick CaliMat
2.00/4.00/7.00/9.00/12.00
-03- Ciba (94)
2.06/4.00/7.00/10.00
-04- NIST technical
1.68/4.00/7.00/10.01/12.46
-05- NIST standard
1.679/4.006/6.865/9.180
-06- HACH
4.01/7.00/10.01/12.00
-07- WTW techn. buffers 2.00/4.01/7.00/10.00
-08- Hamilton
2.00/4.01/7.00/10.01/12.00
-09- Reagecon
2.00/4.00/7.00/9.00/12.00
-10- DIN 19267
1.09/4.65/6.79/9.23/12.75
-11- Metrohm
4.00/7.00/9.00
-U1- (User)
loadable via Paraly SW 112
Permissible calibration range
Zero point
6 ... 8 pH
With ISFET:
Operating point
(asymmetry)
-750 … +750 mV
Slope
Approx. 74 … 104 %
(possibly restricting notes from Sensoface)
Calibration timer *
Interval 1 … 99 days, can be switched off
Sensoface
Provides information on the sensor condition
Evaluation of
zero/slope, response, calibration interval
* user-defined
1) according to EN 60746-1, at nominal operating conditions
2) ± 1 count
3) plus sensor error
4) ranges depending on Memosens sensor
Summary of Contents for Portavo 907 MULTI
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