GMH 3611, Meter for Dissolved Oxygen in Liquids, incl. Probe
Characteristics:
- automatic air pressure compensation
- salinity correction
- extremely small measuring probe
- serial interface
- simple calibration in atmospheric air
Technical data:
Measuring ranges: (device)
O2 concentration: 0.00 ... 70.00 mg/l (ppm) (resolution selectable)
O2-saturation: 0.0 ... 600.0 % O2 (resolution selectable)
Temperature: 0.0 ... +50.0 °C
Pressure: 10 ... 1200 hPa abs.
Accuracy at nominal temperature = 25 °C):
Oxygen: ±1.5 % of m.v. ±0.2 mg/l (0 ... 25 mg/l) or ±2.5 % of m.v.
±0.3 mg/l (25 ... 70 mg/l)
Temperature: ± 0.1 °C ± 1 digit
Pressure: ± 0.5 % FS ± 1 digit
±3 hPa or 0.1 % of m.v.
±2 hPa (750 ... 1100 hPa)
Sensor connection: 6-pin screened Mini-DIN-socket
Electrode: Active membrane type. Electrode Ø front: approx. 12 mm, overall length: approx. 220 mm, anti buckling glanding,
neck collar: Ø approx. 20 mm, 4 m connection cable with Mini-DIN-plug
Response time: 95 % in 10 s, depends on temperature
Operation life: approx. 3 years, depends on maintenance
Working temp.: 0 ... +40 °C
Working pressure: max. 3 bar
Flow rate: min. 30 cm/s
Display: 2 x 4 digit LCDs (12.4 / 7 mm high)
Interface: serial interface, direct connection to RS232 or USB interface of a PC via electrically isolated interface converter.
Power supply: 9 V-battery as well as additional d.c. connector for external 10.5-12 V direct voltage supply. (suitable power pack: GNG10/3000)
Power consumption: approx. 3 mA
Housing dimensions: 142 x 71 x 26 mm (H x W x D) impact-resistant ABS, Front side IP65, integrated pop-up clip for table top or suspended use.
Weight: approx. 300 g (incl. battery and probe)
Scope of delivery: Device incl. electrode, GWOK01 and KOH electrolyte.
