Specifications - Mettler Toledo EL20 Bedienungsanleitung

7.

Specifications

Measurement range
Resolution
Limits of error
pH calibration
Isopotential point
Calibration buffer
Power requirements
Size/weight
Display
pH input
T input
Reference input
Analog output
IP rating
Battery life
Ambient conditions
Materials
METTLER TOLEDO Education Line pH meter
Five_pH_edu.indb 15
Education Line pH meter EL20
pH 0.00...4.00
-999...999 mV
0 °C to 00 °C
0.0 pH
 mV
0. °C
± 0.0 pH
±  mV
± 0.5°C
Up to 2 points
pH 7.00
3 predefined groups
9 V DC, 0.4 W ± 0%
For use with CSA Certified (or equivalent
approved) power source, which must have
a limited circuit output.
200 x 75 x 52 mm / 0.6 kg
Liquid crystal
BNC, impedance > 10e+12 Ω
Cinch, NTC 30 kΩ
2mm banana socket
2mm banana socket
For indoor use only.
-
Temperature: 5...40 °C
Relative humidity: 5 %...80 %
(non-condensing)
Height up to 2000 m
Installation category: II
Pollution degree: 2
Housing: ABS/PC reinforced
Window:
Membrane
Keypad: Membrane
Specifications
Education Line pH meter EL2
pH 0.00...4.00
-999...999 mV
0 °C to 00 °C
0.0 pH
 mV
0. °C
± 0.0 pH
±  mV
± 0.5°C
Up to 2 points
pH 7.00
3 predefined groups
Rating : 6VDC, 5mA
Powered with batteries : 4xAAA/LR3
.5V or NiMH .2 rechargeable
69 x 82 x 36 mm / 0.8 kg
(without batteries)
Liquid crystal
BNC, impedance > 10e+12 Ω
Cinch, NTC 30 kΩ
-
-
IP54 for system
>500 working hours
Temperature: 5...40 °C
Relative humidity: 5 %...80 % (non-
condensing)
Height up to 2000 m
Installation category: II
Pollution degree: 2
Housing: ABS/PC reinforced
Window:
polymethylmethacrylate(PMMA)
Keypad: Membrane
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12.03.2007 15:08:48