940-4 In-line Effluent Monitor

The 940-4 In-Line Liquid Effluent Monitor assures radioactive materials within effluents do not exceed maximum permissible concentrations (MPC), protecting personnel against possible exposure to excessive radiation.

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Product Details

940-4 Effluent Monitor

Overview

Key Features

Universal Digital Ratemeter with dynamic range up to 10⁷ CPM
Mounts directly in process line
Gamma or beta scintillation detector for sensitivity and reliability
Removable for decontamination
Applicable for 1 inch or larger process line

Introduction

The Code of Federal Regulations requires assurance that radioactive materials within effluents do not exceed maximum permissible concentrations (MPC) as set forth in the United States Nuclear Regulatory Commission (USNRC) radiation protection standards. This simply means that any effluent that could possibly contain radioactivity must be monitored. Besides the legal implications, sound industrial hygiene practices require that personnel be protected against the possibility of exposure to excessive radiation from any source. Scintillation detectors are used because of their sensitivity and reliability.

In-line liquid monitor
Compatible with Model 943 Series detectors and Model 942A Series or Model 960 Series electronics
Inserts directly into existing process line

Applications

Key Features

The Model 940-4 In-Line Liquid Effluent Monitor is an easily installed, effluent monitor furnished with flanged ends to be inserted directly into the process line. The assembly will require a separate supporting structure because of its considerable weight due to the required Pb shielding to reduce the effects of background radiation. The detector measures gross gamma or beta radiation in the process fluid, amplifies and shapes the pulse output from the photomultiplier tube, and transmits the signal to the Universal Digital Ratemeter. The ratemeter may be locally mounted or remotely mounted up to 1500 feet. The ratemeter displays measured radiation in CPM. The ratemeter also provides output alarm contacts for Alert, High Radiation, and Channel Fail. Check source actuation is manual from the ratemeter, with alarms muted when in the check source mode. The In-Line assembly may be furnished with a standard detector or high temperature gamma scintillation detector (up to 300ºF) for high temperature process liquid applications.

Models

Model Name	Part Number	Description
940-4		In-Line Liquid Effluent Monitor

Accessories

Ratemeters

Model 942A, 946A, & 956A Universal Digital Ratemeters

The 942A-200 UDR can be used with all 943 Series Beta and Gamma Scintillation Detectors. The detector, when connected to the UDR, will comprise a single channel digital process monitoring channel.

Model number: 942A-200

Vertical Tabs

940-4

940-4 In-line Effluent Monitor

Request a quote or demo

Product Details

Introduction

Key Features

Accessories

Ratemeters

Model 942A, 946A, & 956A Universal Digital Ratemeters

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