CUSTOMER BENEFITS • Multi-parameter probe: pressure, temperature and conductivity • High-precision digital data logger with user-friendly software • Thanks to the huge memory (1.5 Mio. values per channel) and the long battery lifetime (up to 10 years) the cost of ownership can be reduced to a minimum • For varying conditions of use, 16 measuring series can be set up parallel • Stainless steel and titanium version for use in acidic or otherwise aggressive media

PRESSURE MEASURING RANGE (MH2O) Overpressure > 3 bar > 3 x FS (> 3 bar) > 3 x FS Burst pressure, (1) > 200 bar > 200 bar > 200 bar Total Error, (2), (3) (± % FS) -5 ... 50°C, (typ. / max.) < ± 0.20 / 0.40 < ± 0.10 / 0.20 < ± 0.5 / < ± 0.05 / 0.10 2.0 cmH2O Long term stability, (4) < 0.5 % FS / < 4 mbar < 0.2 % FS / < 4 mbar < 0.1 % FS / < 0.2 % FS (2) Total error including accuracy, hysteresis, repeatability and temperature influences (3) The error values are valid within the corresponding temperature range TEMPERATURE MEASURING RANGE, (1) (°C) Accuracy (2) <...

(1) Depending on cable type, pressure range, seal, measuring medium RS485 STS Layer 8 38'400 bps Lithium Batterie SAFT LS 14500, 3.6V AA 2250 mAh Resolution Pressure Temperature Conductivity Output Interface Protocol Baudrate Power supply (1) Standby current 6 uA / 15 uA (typ./max.) Operating current < 25 mA Battery life, (2) > 10 years (1) External power supply (9...30VDC) on request (2) Lifetime at 1 measurement / hour, 0...40°C www.stssensors.com

(1) Not compatible with Windows 8 RT

Description Level Typical interferences EN 61000-4-2 Electrostatic discharge 8 kV contact / 15 kV air PHYSICAL SPECIFICATIONS Materials Transducer Stainless steel (316L / 1.4435), titanium (Gr. 2) Housing level transmitter Stainless steel (316L / 1.4435), titanium (Gr. 2) Housing suspension Stainless steel (316L / 1.4435), titanium (Gr.2) Seals Viton (standard), EPDM, (1) Specification for a DL.OCS/N/RS485, closed, without cable CABLE SPECIFICATIONS PUR FEP PE

Accessories overview DL.OCS PC Application Software Additional documents OPERATING AND SAFETY INSTRUCTIONS Article number 10.88.0397

Flooding protection 316L Stainless steel 1.4435 (Fig. 6) (1) Other pressure ranges on request (2) Please specify the required cable length (3) Cable type PE & FEP, pressure range < 10 bar (7) Recommended for drinking water applications (8) With stainless steel cap

Specifications may change without notice. STS Headquarters, Switzerland: STS Sensor Technik Sirnach AG Rutihofstrasse 8 | 8370 Sirnach | Switzerland [email protected] | www.stssensors.com STS Germany: STS Sensoren Transmitter Systeme GmbH Poststrasse 7 | 71063 Sindelfingen | Germany [email protected] | www.stssensors.de STS Great Britain: STS Great Britain Ltd. Box 3942 | Warwick | GV34 9AE | United Kingdom [email protected] | www.stssensors.co.uk STS Italy: STS Italia s.r.l. Via Lambro 36 | 20090 Opera (Ml) | Italy [email protected] | www.stssensors.it STSGhina: STS Sensor...