SITRANS LVS100 Overview

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SITRANS LVS100 Overview

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Thương hiệu: Siemens
Danh mục:

SITRANS LVS100
Tình trạng:
Còn hàng
Giá:Liên hệ

SITRANS LVS100 là một công tắc mức điểm dạng rung để phát hiện mức cao, thấp hoặc mức nhu cầu của chất rắn khối lượng lớn. Cảm biến đo điểm tiết kiệm chi phí này lý tưởng cho các ứng dụng có mật độ khối lượng lớn thấp, bột khô hoặc hạt mịn.

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Overview

SITRANS LVS100 is a vibrating point level switch for material detection in bulk solids.

Benefits

High resistance to mechanical forces
Sliding sleeve options for adjustable insertion length and ease of cleaning
Rotatable enclosure for ease of installation and wiring
Suitable for point level detection of materials starting at a bulk density of 30 g/l (1.9 lb/ft³)
Customer desired extensions up to 4 000 mm (157.48 inch)

Application

SITRANS LVS100 detects high, low or demand levels of dry bulk solids in bins, silos or hoppers.

SITRANS LVS100 has a compact design and can be top, side, or angle mounted. The vibrating fork design ensures the tines are kept clean. The unique design of the fork and crystal assembly eliminates false high level readings even if tines become damaged.

A signal from the electronic circuit excites a crystal in the probe causing the fork to vibrate. If the fork is covered by material, the change in vibration is detected by the electronic circuitry which causes the relay to change state after a one second delay. When the fork is free from material pressure, full vibration resumes and the relay reverts to its normal condition.

Key Applications: dry bulk solids in bins, silos, hoppers

Configuration

SITRANS LVS100 installation, dimensions in mm (inch)

Technical specifications

SITRANS LVS100
Mode of Operation
Measuring principle	Vibrating point level switch
Input
Measured variable	High, low and demand
Measuring frequency	200 Hz
Output
Relays	DPDT relay
Relay delay	From loss of vibration: approximately 1 second
	From resumption of vibration: approximately 1 ... 2 s
Signal delay	Probe uncovered to covered: approximately 1 s
	Probe covered to uncovered: approximately 1 ... 2 s
Relay fail-safe	High or low, switch selectable
Alarm output	Relay 8 A at 250 V AC, non-inductive
	Relay 5 A at 30 V DC, non-inductive
Sensitivity	High or low, switch selectable
Rated operating conditions
Installation conditions
Location	Indoor/outdoor
Ambient conditions
Ambient temperature	‑40 ... +60 °C (‑40 ... +140 °F)
Storage temperature	‑40 ... +80 °C (‑40 ... +176 °F)
Installation category	III
Pollution degree	2
Medium conditions
Process temperature	‑40 ... +150 °C (-40 ... +302 °F)
Max. threaded bushing temperature	80 °C (176 °F)
Max. enclosure surface temperature (Category 2D)	90 °C (194 °F)
Max. extension surface temperature (Category 1D)	150 °C (302 °F)
Pressure (vessel)	Max. 10 bar g (145 psi g) European Pressure Directive 2014/68/EU: Category 1
Minimum material density	Approx. 30 g/l (1.9 lb/ft³)
Design
Material
Enclosure	Epoxy coated aluminum
Process connection	Thread 1¼" NPT [(Taper), ANSI/ASME B1.20.1], R 1½" [(BSPT), EN 10226] Thread R 1½" [(BSPT), EN 10226], ½" NPT [(Taper), ANSI/ASME B1.20.1], sliding sleeve [min. length 500 mm (19.69 inch)] Thread material: stainless steel 304 (1.4301) or 316L (1.4404) depending on configuration
Tine material	Stainless steel 316L (1.4404)
Degree of protection	IP66/Type 4/NEMA 4
Conduit entry	2 x M20 x 1.5 or 2 x ½" NPT (For FM and CSA approved versions only.)
Weight	Standard version, no extensions: approx. 1.7 kg (3.7 lb)
Power supply	19 ... 230 V AC, +10 %, 50 ... 60 Hz, 8 VA 19 ... 40 V DC, +10 %, 1.5 W
Certificates and approvals	CSA/FM General Purpose CE CSA/FM Dust Ignition Proof RCM ATEX II 1/2 D IECe

Dimensional drawings

SITRANS LVS100, dimensions in mm (inch)

Circuit diagrams

SITRANS LVS100 connections

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SITRANS LVS100 Overview

Overview

Benefits

Application

Configuration

Technical specifications

Dimensional drawings

Circuit diagrams