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The C-Stic SGB is a very robust Level Gauge suited for cold stored liquefied gases like nitrogen, oxygen, argon, carbon dioxide and nitrous oxide. It provides an easy to mount, accurate and reliable digital liquid level indicator. The capacitance of the full stainless steel sensor increases ratiometrically with the liquid coverage and is converted into an easy to read, accurate digital read out with 0.1% resolution. Additionally it has standardly two analogue output options to be used for control, remote or telemetry purposes. As the unit is battery powered there’s basically no need for any additional power or cabling. By using one of the analogue outputs the battery is just needed to power the digital read-out when required.
In order to get a continuous reading you may power the unit externally. In case of just battery operation, you activate the device by pressing one of the front keys. The unit measures and shows the actual level during 20s and switches off automatically afterwards. To change and justify the factory set pre-adjustments, you must first enter the security code. There are no potentimeters at all; the adjustment is fully electronically and related reference data are stored in a semi-permanent memory. Removing the cover is just needed to replace batteries. Alternatively you can get continuous reading by applying external power to the multi pin connector at the side.
Summarized features:
Technical Data
Item | SGB |
---|---|
Dimensions (enclosure) | 115 x 64 x 32 mm |
Operating temperature | -20°C < Ta < +60°C |
Material (enclosure) | aluminium |
Ingress protection | IP 65 |
Battery | 2x AAA-cell IEC: LR03 / ANSI: 24A |
External power | 9-30Vdc (stab.) max. 20mA |
Voltage output | 10-90%Vdd (Vdd = 5V +10%/-20%) |
Current Loop | 4/20mA loop Vcc = 8-30Vdc |
Sensor part | |
Material (body & tube) | stainless steel 304 / 316 |
Diameter | 12 mm |
Length | according to tank dimensions |
Temperature | -200°C < Ts < +100°C |
Maximum pressure | 35 bar / 500 psi |
Tank fittings (pref.) | ⅞ - 14 UNF ½ - BSP ¾ - 16 UNF ½ - NPT |
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