Specification:
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Measuring range: |
02-concentration: GMH3610: 0.0 to
25.0 mg/l
GMH3630: 0.0 to 70.0 mg/l or
0.00 to 25.00 mg/l02-saturation: GMH3610: 0...
300%
GMH3630: 0... 600 % or 0.0 ... 250,0%
02-partial pressure: GMH3630: 0,0 ... 570.0 hPa or 0 ... 1,200 hPa
(0.0... 427.5 mmHg or 0...900
mm Hg)
Temperature: 0.0...50.0°C
Pressure:
GMH3630: 500... 1,100 hPa abs.
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Accuracy: |
Oxygen:
GMH 3610: +1.5 % +0.2 mg/l
GMH 3630: +1.5 % +0.2 mg/l (0...25 mg/l)
resp.
+2.5 % +0.3 mg/l (0...70mg/l)
Temperature: +1 °C +1
digit
Pressure: + 0.5 % FS +
1 digit
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Sensor connection: |
6-pin screened
Mini-DIN-socket
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Electrode: |
Active membrane type.
Electrode-diameter front: approx. 12 mm,
overall length: approx. 220 mm, anti
buckling glanding,
neck collar: diameter approx. 20 mm,
4m connection cable with Mini-DIN-plug.
Response time: 95% in l0sec.,
depending on temperature
Operation life: 3 years or more,
depending on maintenance
Working temperature: 0 to + 40
°C
Working pressure: max. 3 bar
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Display: |
2 four-digit LCD (12.4mm and/or 7mm
high) for oxygen,
temperature and pressure and for
min./max. values, hold function, etc.
as well as additional functional
arrows. |
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Nominal temperature: |
25°C
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Working temperature: |
0 to +50°C
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Relative humidity: |
0 to 95% r.h. (non-condensing)
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Storage temperature: |
-20 to +70°C (electrode: 0 to 60°C) |
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Interface: |
serial interface (3.5mm jack
connector), direct connection to RS232 interface
of a PC via electrically isolated interface adapter
GRS
3100 or
GRS
3105 resp. via
USB 3100-adapter to the USB-interface
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Min-/Max-value memory: |
max. and min.
meas. value will be memorized
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Hold function: |
By pressing a button, the
current meas. value will be memorized.
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Push buttons: |
6 membrane keys for
ON/OFF-switch, selection of meas. mode, min- and max-value memory,
hold-function, calibration etc. |
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Power supply:
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9V battery, type IEC 6 F 22
(included) as well as additional d.c. connector (internal pin diameter
1.9 mm) for external 10-12 V direct voltage supply (suitable power pack: GNG
10/3000) |
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Automatic-Off-Funktion: |
Device will be
automatically switched off, if no key is pressed / no interface
communication takes place for the time of the
power-off delay.
The power-off delay can be set to
values between 1 and 120 min. or deactivated.
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Low battery warning: |
'bAt'
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Power consumption: |
ca. 3 mA
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Dimensions: |
142 x 71 x 26 mm (H x W x D)
impact resistant ABS plastic housing, membrane keyboard, transparent panel.
Front side IP65, integrated pop-up clip for table top
or suspended use
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Weight: |
approx. 300 g (complete with
battery and probe) |
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Temperature compensation: |
automatically
via temperature sensor integrated in electrode
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Air pressure compensation: |
GMH3610: enter current air
pressure by means of keys
GMH3630: automatic via
integrated pressure sensor. Display of current air pressure.
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Correction of salinity (GMH3630): |
automatic - salinity value can be set via keyboard
from 0.0 to 70.0
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Calibration: |
1-point calibration:
extremely simple quick calibration in atmospheric air 2-point calibration (GMH 3630
only): first point at atmospheric air,
second point at upper measuring range (with calibration set GKS 3600)
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Oxygen measurement device for solved oxygen in liquids, standard electrode included
