Vaisala DSS70A Portable Sampling System & Sampling Cells

Features

  • Filter for removing particulate contamination before measurement
  • Battery-powered pump for extracting gas samples
  • Five sampling cell options for gas sampling
  • Connectable to pressurized processes
  • Needle valve and flow meter for controlling and monitoring flow through the system
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Vaisala DSS70A is designed to provide dew-point sampling flexibility for Vaisala DM70 hand-held dew point meter. It’s commonly used in metal treatment and plastic drying processes. For processes at normal pressure, a battery-powered pump is used to extract a gas sample. For pressures up to 20 bar, the sample is taken at process pressure and then adjusted to normal pressure for venting or redirection, bypassing the pump. In all situations, the sample gas passes through a filter to remove particles before measurement. Flow through the system is controlled and checked using a needle valve and flow meter.

Key Benefits

Low Maintenance Needs

Excellent long-term measurement stability.

compact Design
A battery-powered system enables dew point measurements in places where direct measurement is not possible.

fast Response Time
Enables fast measurement between start-up from ambient conditions to low and high process dew points.

Dpstar is a leading supplier of environmental measurement sensors for temperature, relative humidity, pressure, dew point, CO2, and other environmental condition monitoring for industrial process application and research. Since the ’90s, we earned a reputation as a trusted partner to our clients through our commitment and dedication. We are an authorized distributor and supplier of measuring sensors solutions from renowned manufacturers Vaisala. Vaisala is a global leader in environmental and industrial measurement. Building on 80 years of experience, Vaisala provides observations for a better world. Vaisala is a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services.

Specification

DSS70A Operating Environment
Operating gases Air, N2, and other non-toxic, inert gases
Sampled gas dew point Below Tamb
Inlet/outlet connection 1/4″ Swagelok
Operating ambient temperature 0 … +40 °C (+32 … +104 °F)
Operating process gas temperature with PTFE tube at +20 °C (+68 °F) (included in the DSS70A) Max. +200 °C (+392 °F)
Operating temperature with stainless steel tube Specification according to stainless steel tube specification
Maximum gas temperature at inlet (+40 °C) (+104 °F)
Operating pressure with pump 0.6 … 1.2 bara (8.7 … 17.4 psia)
Operating pressure with pump disconnected 0 … 20 bara (0 … 290 psia)
Mechanical Specifications
Battery operation time for pump 8 h continuous use (battery can be recharged using DM70 charger)
Filter 7 mm inline filter cartridge 1/4″ Swagelok SS-4F-7 (spare part order no. 210801)
Case dimensions (W × D × H) 430 × 330 × 100 mm
Weight 5.5 kg (12 lbs)
Materials
Wetted parts Stainless steel
Carrying case ABS plastic
Sampling Cell Options
DSC74 Sampling cell for pressurized gases
DSC74 pressure limit 1 MPa (10 barg, 145 psig)
DSC74B Two pressure sampling cell
DSC74B pressure limit 1 MPa (10 barg, 145 psig)
DSC74C DSC74B with DMCOIL cooling/venting coil
DMCOIL Cooling/venting coil
DMT242SC Sampling cell
DMT242SC pressure limit 10 MPa (100 barg, 1450 psig)
DMT242SC2 Sampling cell with Swagelok connectors
DMT242SC2 pressure limit 4 MPa (40 barg, 580 psig)
Material for all sampling cells Stainless steel AISI316
Compliance
EMC EN61326-1, Generic Environment

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