The compact sampler SP 4 B is particularly suitable for high ambient temperature. Features/ Specifications: • Housing: PE with 50 mm insulation / PS / PC (GF10) • Thermostatic control: Self-contained cooling / heating with 4 settings, no-frost. • Temperature in sample compartment: 4°C (adjustable from 0,0-9,9°C) • Control: Microprocessor control, foil keyboard, back lit four-line LC-display • Data logger: Nonvolatile data memory; storage of sampling and malfunction data like sample extractions, bottle changes, messages, external signals • Programming: 6 user programs (can be edited freely) • Program start options: Immediately; at a certain time; by an external signal • Program stop options: End of sampling program after one program run; continuous operation • Pause mode: Interruption of program run at any time • Overfilling protection: Adjustable from 1–999 samples/bottle • Interval setting: 1 min. to 99 h 59 min. in steps of 1 minute • Pulse setting: 1 to 255 pulses/sample • Manual sample extraction: Possible at any time without interrupting the current program run • Program protection: Up to 5 years after voltage loss • Interface: RS 232 • Communication: Modbus, connection via DP PROFIBUS optional • Modem GSM communication: Optional (in combination with PC software) • Languages: Multi-language, selectable • Signal inputs: - 1 x analogue: 4-20 mA, optional 0-20 mA, minimum voltage 3,3 V (optocoupler) - 5 x digital (flow, event, 3 inputs can be programmed freely) • Signal outputs status messages: Max. 8 digital outputs, depending on device version; freely programmable • Sampling method: -Vacuum system 20-350 ml -Vacuum VAR (variable) system 20-350 ml • Single sample volume accuracy: < 2,8 % • Suction height: max. 7,5 m (at 1013hPa and stagnant medium) • Pumping speed: >0,5 m/s at suction height up to at least 6 m (at 1013h Pa); pump capacity can be adjusted electronically • Suction hose: PVC, L=7,5 m, ID=9 mm (ID 16 mm at flow-proportional option). Max. hose length 30 m • Sampling modes: Time-related, flow-dependent, flow-proportional, event-related, manual sample extraction • Bottle variants: Plastic 1 x 25 l 4 x 14 l 12 x 2,9 l, 24 x 1,0 l Glass 12 x 2,0 l 24 x 1,0 l • Overall dimensions: (Hxwxd) 1.100 (1.640*) x 760 x 745 mm *) with opened top • Weight: 75 kg with composite container, higher weight when using several bottles and/or glass bottles. • Power supply: 230 V / 115 V /AC • Power requirement number of samples: Approx. 350VA (with cooling) • Ambient temperature: -20 – 45°C • Sample temperature: 0 – 40°C • Standards: Device meets ISO 5667 standard • Wetted materials: PVC, Silicone, PS, PE, EPDM (optional: metering vessel Duran50, sinker weight SS304) • Accessoires: - Plinth - Extraction unit, fixed or pendulous - Mobile version - Strainer basket - PC communication software - Status messages - Interior lighting - Main switch Delivery Contents: • Device with microprocessor control and back lit graphical display. • Vacuum dosing unit made of PC, volume 20-350 ml. • Pneumatic unit with diaphragm compressor and valve system. • Device incl. 5 m suction hose with screw connection • 24-position Motor-driven distributor system with 24 x 1 l PE bottle, 24 bottle caps