46
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
Temperature input
2 x 4 mm dia. for integrated or separate temperature detector
Measuring ranges
NTC30 temp detector
-20 … +120°C
Pt1000 temp detector
-40 … +250°C
Measuring cycle
Approx. 1 s
Measurement error
1,2,3)
< 0.2 K (Tamb = 23 °C); TC < 25 ppm/K
Specifications
*) 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
Memosens pH input
M8 socket, 4 pins, for Memosens lab cable
Display ranges
4)
pH
-2.00 … +16.00
mV
-2000 … +2000 mV
Temperature
-50 … +250 °C
Memosens pH input
ISFET
M8 socket, 4 pins, for Memosens lab cable
Display ranges
4)
pH
-2.00 … +16.00
mV
-2000 … +2000 mV
Temperature
-50 … +250 °C
Memosens ORP input
M8 socket, 4 pins, for Memosens lab cable
Display ranges
4)
mV
-2000 … +2000 mV
Temperature
-50 … +250 °C
Sensor standardization
*)
ORP calibration (zero adjustment)
Permissible calibration range
ΔmV (offset)
-700 … +700 mV