Name

Level transmitter
for vertical piping

Model

QBS-VP

NSB-VP

Explosion
proof
construction

Non-explosion-proof

Intrinsically safe construction(i3nG5)

Feature

These level switches are optimal for measuring the amount of raw material.

Description

The level transmitter for vertical piping is installed on vertical piping. Its typical installation locations are below a raw material charging port, immediately above an extruder and tank-to-tank vertical piping.
Continuous measurement and control of the object being measured stabilizes product quality and reduces material loss.
Small- and large-diameter level transmitters are available to cover various piping geometries. The detector is free from the need to protrude in the piping and it does not obstruct the flow.

Operating
principles

Every material has intrinsic electrical characteristics such as permittivity and conductivity. The in-pipeline stationary detector is installed below a raw material charging port or between pipes. It detects capacitance that changes with increases or decreases of the object being measured and converts the detected capacitance into a standardized signal.

Specifications

Measurement system	Capacitance system
Measurement range	Min. range 0～50mm , Max. range 0～500mm (Any other range are possible)
Output signal	DC4～20mA　DC1～5V　※ One of the above signal
Input power	Model QBS-VP (Model PS-0VP)：　AC105V/210V 50/60Hz or DC24V Model NSB-VP (Model PS-2)：　　 AC105V/210V 50/60Hz
Power consumption	10W
Allowable temperature	Detector：　－25℃～＋70℃ (Depends on the specifications) Transducer：　　Model PS-0VP：　－10℃～＋50℃ Transducer：　　Model TR-2VP：　－25℃～＋70℃ Power source：　Model PS-2：　　－10℃～＋50℃ Special cable：　 Model DSC-15 (high accuracy use)：　　－10℃～＋60℃ Special cable：　 Model DSC-05 (small size)：　　　　　　－10℃～＋60℃ Special cable：　 Model DSC－13 (heat resistance use)：　－50℃～＋200℃
Allowable pressure	Detector：　20Mpa (approx. 204kg/cm²G) (Depends on the specifications)
Weight	Transducer：　　Model PS-0VP：　5.5kg Transducer：　　Model TR-2VP：　4.3kg Power source：　Model PS-2：　　 7.6kg
Size	Transducer：　　Model PS-0VP：　216(W)×125(D)×259(H) Transducer：　　Model TR-2VP：　200(W)×149(D)×220(H) Power source：　Model PS-2：　　 250(W)×145(D)×275(H) (mm)
Surface treatment	Detector：　Inner surface polishing, etc.
Installation	Detector：　Flange mounting, etc.
Material	Detector：　SUS304　SUS316　PTFE　Alumina　Quartz glass, etc. Lining：　PTFE　Glass　Rubber, etc. Head case：　Light alloy　SUS304　Salt resistant paint case, etc.

Configuration

Model QBS-VP
(Non-explosion-proof type)
＜Separated transducer type＞

This model is composed of in-pipeline detector unit, transducer and special cable.

Detector

(Piping type)

Transducer

PS-0VP

Special cable

DSC

Options (QBS-VP)

Integrated type indicator for detector

Integrated type indicator for transducer

Separated type indicator

Lightning arrestor

Monitoring device

Common options available for models

Configuration

Model NSB-VP
(Intrinsically safe construction / i3nG5)
＜Totally separated detector unit type＞

This model is composed of in-pipeline detector unit, transducer, relay power source and special cable that is 4 core control cable. As the transducer is designed to be installed in a dangerous area, the special cable can be made short enough to minimize picked-up noises, thus permitting a stable performance to be obtainable. As to performance, this model has the same characteristics as those of Model QBS-VP.