Liquistation CSF34 Technical data
Endress+Hauser 203
Cable entries Depending on version:
• 1 x M25, 7 x M20 cable gland
• 1 x M25, 1 x M20 cable gland
Permitted cable diameter:
• M20x1.5 mm: 7 to 13 mm (0.28 to 0.51")
• M25x1.5 mm: 9 to 17 mm (0.20 to 0.67")
Mains fuse • T3.15A (for 230V power supply)
• T10A (for 24V power supply)
• T10A (fuse for battery backup)
Power supply failure Power supply (optional): 2 x 12 V, 7.2 Ah, with additional charge controller
Replace the rechargeable batteries with type Panasonic LC-R127R2PG1.
Real-time clock: lithium battery, type CR2032
15.5 Performance characteristics
Sampling methods Vacuum pump/peristaltic pump/sampling assembly:
• Event sampling
• Single and multiple samples
• Sampling table
Vacuum pump:
• Time-paced
• Flow-paced
Peristaltic pump:
• Time-paced
• Flow-paced
• Flow proportional sampling/time override (CTVV)
Dosing volume Vacuum pump:
20 to 350 ml (0.7 to 12 fl.oz.)
Peristaltic pump:
10 to 10000 ml (0.3 to 340 fl.oz.)
The dosing accuracy and the repeatability of a sample volume < 20 ml (0.7 fl.oz) can
vary, depending on the specific application.
Dosing accuracy • Vacuum pump:
± 5 ml (0.17 fl.oz.) or 5 % of the set volume
• Peristaltic pump:
± 5 ml (0.17 fl.oz.) or 5 % of the set volume
Repeatability 5 %
Intake speed > 0.5 m/s (> 1.6 ft/s) for ≤ 13 mm (1/2 in) ID, as per EN 25667, ISO 5667, CEN 16479-1
> 0.6 m/s (> 1.9 ft/s) for 10 mm (3/8 in) ID, as per Ö 5893; US EPA
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