인쇄

EZ7254 Volatile Fatty Acids (VFA) & Total Alkalinity Analyser

개요
세부 사항
다운로드
부속품

제품 번호: EZ7254.XXXXXXXX

Unit Price Hach에 문의

Demineralised water: N.A.

간섭: Phosphates and similar dissociating ions and non-fatty acids which on acidification from
undissociated acids may cause interference. Sulphide (S²-) may deteriorate some types
of pH electrodes. Fats, oil, proteins, surfactants and tar.

검출 하한(LOD): ≤ 100 mg/L VFA
≤ 250 mg/L TA

경보: 1 x malfunctioning, 4 x user-configurable, max. 24 VDC/0.5 A, potential free contacts

계측용 공기: Dry and oil free according to ISA-S7.0.01-1996 quality standard for instrument air

교정: Automatic; frequency freely programmable

디지털 출력: Optional: Modbus (TCP/IP, RS485)

무게: 25 kg

방법 명칭: Titrimetric

배수: Atmospheric pressure, vented, min. Ø 32 mm

범위: VFA 100 mg/L - 5000 mg/L, Total Alk: 250 mg/L - 25000 mg/L

VFA 100 mg/L - 5000 mg/L
TA 250 mg/L - 25000 mg/L

보증: 12 개월

보호 등급: Analyser cabinet: IP44 / Panel PC: IP65

사이클 타임: 15 minutes

시료 스트림 수: 1, 2, or 4

시료 압력: By external overflow vessel

시료 온도: 10 - 30 °C

시료 유속: 100 - 300 mL/min

시료 품질: Maximum particle size 500 µm, < 0.1 g/L
Most applications require the use of an EZ9130 sampling/filtration system.

시약 요구 사항: Keep between 10 - 30 °C

아날로그 출력: Active 4 - 20 mA max. 500 Ohm load, standard 1, max. 8 (option)

유효성 검사: Automatic; frequency freely programmable

인증: CE compliant / ETL certified

재료: Hinged part: Thermoform ABS, door: PMMA
Wall section: Galvanised steel, powder coated

전력: 100 - 240 VAC, 50/60 Hz
Max. power consumption: 120 VA

접지: Dry and clean earth pole with low impedance (< 1 Ohm) using an earth cable of > 2.5 mm²

정밀도: Better than 3% full scale range for standard test solutions

주위 온도: 10 - 30 °C ±4 °C deviation at 5 - 95% relative humidity (non-condensing)

측정 방법: Acid-base titration

항목: Volatile Fatty Acids (VFA), Total Alkalinity (TA)

헹굼: With tap water