TVOC 2 fixed PID Detector

For continuous VOC monitoring

TVOC 2 is a fixed continuous PID detector for the detection and measurement of total volatile organic compounds (TVOCs). Its photoionisation detection (PID) sensor capabilities utilise advanced patented Fence Electrode Technology with increased resistance to humidity and contamination.

A robust fixed PID detector, TVOC 2 has a selectable detection range of 0 – 10 ppm, 0 – 100 ppm or 0 – 1000 ppm and is ideal for use in manufacturing and process industries where VOCs are typically present.

With a 4-20 mA analogue output, TVOC 2 can be simply integrated into a Distributed Control System (DCS) to provide warnings and enable control of high VOC levels in the working environment.

The instrument’s ATEX approvals enable a 3 wire TVOC system to be used in Zone 2 hazardous areas without safety barriers, whilst its ATEX and IECEx approvals allow TVOC 2 to be used in Zone 1 hazardous areas with safety barriers.

Simple to install service and calibrate, TVOC 2 requires no hot work permit and the PID sensor is accessible and changeable in a matter of seconds.

Key Features

Best available photoionisation (PID) detection

  • PID independently verified as best performing on the market
  • Range: 0 to 10, 0 to 100 or 0 to 1000 ppm from just one instrument
  • In-built humidity resistance with no need to compensate
  • Anti-contamination design for extended field operation
  • Variable duty cycle prolongs run time
  • Reliable diffusive monitoring – no pump required

Safety

  • Accurate results over all environmental conditions
  • Rugged and robust design withstands harsh environments
  • Large LCD display for clear readings
  • ATEX and IECEx approved

Ease of use

  • Simple to use – minimal training required
  • Easy access PID sensor for fast, simple servicing
  • Simple calibration procedure
  • Easily integrated into a control system

Low cost operation

  • Inexpensive consumables and parts
  • Two-year warranty when instrument registered online
Fixed PID Detector

What’s included

For more details please contact Ion Science or an Ion Science Distributor for an up to date price list.

TVOC 2 fixed VOC detector:

  • TVOC VOC detector instrument
  • Calibration certificate
  • Instrument Manual

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Brochures, Manual, Quick Start Guides, Software etc.

Technical Specification

Technical Specification

Value/Information

Hazardous Area Safety Approvals

II 2G Ex ia IIC T4 Gb (-20°C ≤ Ta ≤ +50°C)

II 3G Ex nA IIC T4 (-40°C ≤ Ta ≤ +50°C)

Baseefa05ATEX0277X

IECEx BAS 06.0057X

Ingress Protection Rating

Designed to IP65
Sensor Ingress Protection IP54

Power

Power: 5-28 VDC Max 130 mA

Output: 4-20mA requires an 8-35 VDC power supply
For IS requirements 8-30 VDC power supply

Range 0 to 10 ppm, 0 to 100 ppm, 0 to 1000 ppm (user selectable)
Sampling Diffusion (can be pumped if required using an adaptor)
Display 7 segment, 4 digit LCD, 4 colour LED’s
Response  Sensor – T90 <5 sec
Accuracy 0 to 100 ppm: ± 5% at calibration point.
100 to 1000 ppm: ± 10% at calibration point.
Calibration

Accessed via magnetic switch

100 ppm Isobutylene via calibration kit accessory

Temperature

Operating: -20 to 50°C, (-4 to 122°F)

Humidity: 0-95% RH (non-condensing)

Weight & dimensions

Instrument: 1.4 kg (3.1 lb)

Packed: 1.6 kg (3.5 lb)

Dimensions: 188 x 126 x 78 mm (7.4 x 4.9 x 3″)

4-20 mA alarm levels Selectable 2 mA & 3.5 mA options

NB: All specifications quoted are at calibration point and under the same ambient conditions. Specifications are based on isobutylene calibration at 20 °C and 1000 mBar.


* The Fence Electrode technology referred to in this document is produced by Ion Science Ltd, and protected by patents. U.S. Patent No. 7,046,012. EP 1474681, other patents pending.

Video Support

Video Support – TVOC 2 fixed VOC detector

Accessories

The following accessories are available for the TVOC 2 fixed VOC detector.
For further information or pricing please contact Ion Science or your local Distributor.

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