The KERAMESS pressure transmitters are suitable for taking pressure and filling level measurements in pipelines and containers. The wide range of process connections enables use in all applications in the food and pharmaceutical industries. The vacuum-proof and extremely overload safe measuring cell with a ceramic membrane made of highly pure aluminium oxide works on the basis of the capacitive measuring principle. The KERAMESS pressure transmitters are designed to measure from -1/0…1 to -1/0…70bar. The measuring ranges 0...0.05bar and -0.1...+0.1bar are available alongside other special measuring ranges.
Thanks to the ceramic membrane, the KERAMESS pressure transmitters are particularly suited for aggressive and abrasive media. The design for long-term medium temperatures of up to 125°C enables CIP and SIP cleaning methods to be used on the transmitters. The high protection classes of IP67 and IP69K guarantee that the devices can be safely cleaned on the outside with foam and a high-pressure cleaner and that moisture is reliably prevented from entering into the device. For additional protection against moisture, the electronics are fully encapsulated in the housing. All the pressure transmitters in series 100/101 are designed for universal applications and, in particular, for applications with constantly high temperatures of up to 125°C. Furthermore, using the on-site display with series 100 and the display and operating module OPUSM in series 101, the pressure transmitters can be simply read out, configured and diagnosed.
Features:
- precise measurements with an accuracy of ≤ ± 0,15% FS
- with dry ceramic measuring cell
- Turn Down 10
- easy to clean an high protection classes IP 67 und IP69K
- integrated on-site display or external OPUSM display and operating module for parametrization and display of measuring values
- application strengths: measurement of content and process pressure with small measuring ranges with an overload-safe ceramic measuring cell, also suitable for abrasive media
- direct entry of parameters with plain text display
Specification:
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General details | ||||||||||
Device type / measuring principle | KS 100/101: capacitive | |||||||||
Input | ||||||||||
Measuring ranges | KS 100/101 | |||||||||
Standard nominal measuring ranges [bar] | relative | OP | relative | OP | absolute | OP | ||||
OP = overload protection [bar] | 0.05 | 4 | 40 | 60 | 0.1 | 4 | ||||
0.1 | 4 | 70 | 105 | 0.2 | 6 | |||||
±0.1 | 4 | -1...1 | 10 | 0.4 | 6 | |||||
0.2 | 6 | -1...2 | 18 | 1 | 10 | |||||
0.4 | 6 | -1...4 | 25 | 2 | 18 | |||||
Special measuring ranges are available on request. | 1 | 10 | -1...10 | 40 | 4 | 25 | ||||
2 | 18 | -1...20 | 40 | 10 | 40 | |||||
4 | 25 | -1...40 | 60 | 20 | 40 | |||||
All measuring cells are vacuum-proof | ||||||||||
10 | 40 | -1...70 | 105 | 40 | 60 | |||||
20 | 40 | 70 | 105 | |||||||
Setting the measuring ranges | Via the keypad of | the OPUSM display and operating module / via the integrated on-site display | ||||||||
Setting ranges | Start the measuring zero: | 0...90% | of the sensor's nominal measuring span | TD=10 | ||||||
Measuring span span: | 10...100% of the sensor's nominal measuring span | |||||||||
Burst pressure DIN16086 | ≥ 4-fold measuring range | |||||||||
Output | ||||||||||
Output signal | 2-wire: 4...20mA with a test circuit connection in the device | |||||||||
Fault signal | Optional: 3.8mA, 22mA, hold (i.e. holding the last value) | |||||||||
Current limitation | 3.85mA and 21.5mA (normal operation) | |||||||||
Integration time | Continuously selectable between 0 and 300s (setting time after a pressure leap) | |||||||||
Measuring accuracy | ||||||||||
Reference conditions | acc. to DIN IEC 770 | |||||||||
Linearity, hysteresis and repeatability as per the limit point method DIN IEC 770 | ≤ ± 0.15% of the sensor's nominal measuring range | |||||||||
Activation time | < 5s (the device will carry out a self-test.) | |||||||||
Setting time (without damping) | < 200ms | |||||||||
Long-time drift | ≤ 0.2% of the span per year | |||||||||
Thermal hysteresis | ≤ ± 0.75% beginning of the measuring range / ≤ ± 0.8% end of the measuring range | |||||||||
Conditions of use | ||||||||||
Installation position / calibration position | Any position / standing vertically (position-dependent zero point displacement) | |||||||||
Medium temperature | T1: -40...+125°C (140°C over one hour at the most) | |||||||||
Ambient storage temperature | Type 101: | -40...+85°C | ||||||||
Type 100: | -30...+75°C | |||||||||
(Below -20°C cable breakage might occur and the display's function may be impaired.) | ||||||||||
Protection class acc. to EN60529 | IP 67 and IP 69K | |||||||||
Electromagnetic compatibility | Sensitivity against interference: acc. to DIN IEC 61000-6-2 | |||||||||
Interference radiation: | acc. to DIN IEC 61000-6-4 | |||||||||
Construction | ||||||||||
Electrical connection | - Standard: cable screw connection M16x1.5, nickel-plated brass, stainless steel available on request | |||||||||
- Optional: round plug-in connector M12x1, nickel-plated brass, stainless steel available on request | ||||||||||
- Optional: angle plug acc. to EN 175301-803 | ||||||||||
- Optional: reference cable | ||||||||||
Process connection | - All standard front-mounted process connections and those that are commonly used by the manufacturer | |||||||||
Materials | - Field housing / lid: | CrNiSt 1.4301 (304) | ||||||||
- Housing seal: | FPM (Viton®) | |||||||||
- Pressure compensation element: | polyamide | |||||||||
- Inspection gauge (type 100): | polycarbonate | |||||||||
- Process connection: | CrNiSt 1.4404 (316L) | |||||||||
- Process membrane: | Al2O3 (99%) | |||||||||
- Locking screw (type 101): | CrNiSt 1.4301 (304) | |||||||||
- Reference cable: 5-wire with reference tube: | PUR (recommended: 80m maximum) | |||||||||
Display and operation | ||||||||||
Display | LCD, 4-digit numerical display and 5-digit alphanumerical display | |||||||||
Type 100: integrated on-site display (cannot be separated from device) | ||||||||||
Type 101: external OPUSM display and operating module | ||||||||||
Displayable units | Pressure: | mbar, bar, psi, Pa, mH2O, mmHg, Torr, atm, at, kg/cm² | ||||||||
Volume: | l, hl, dm³, m³, ft³, US gal, UK gal, US bl, UK bl | |||||||||
Mass: | kg, t, lbs, tn. sh., tn. l. | |||||||||
Additional displays | Output current in mA or % (in relation to the span) | |||||||||
Operation | Type 100: via the configuration menu with the integrated on-site display | |||||||||
Type 101:via the configuration menu with the external OPUSM display and operating module | ||||||||||
Auxiliary energy resources | ||||||||||
Power supply / burden | 12-36V DC, max. burden: (Vsupply – 12V) / 24mA | |||||||||
Accessories 100 series | ||||||||||
OPUSM display and operating module | External display and operating module, CrNiSt, IP 67, 41x70mm, 1m connection cable and round plug-in | |||||||||
connector M12x1 | ||||||||||
Certificates | Calibration certificate | |||||||||
Declaration of conformity | ||||||||||
Material inspection certificates as per EN 10204 |
Data Sheet: Pressure and Level Transmitter Keramess KS 100/101
Ref: Hengesbach.com
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