WATCHGAS 101
Overview
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Overview

WATCHGAS 101

Control Unit - Mains
Brand: WatchGas Detection
Made in: Netherlands

A fixed single point alarm unit that meets the requirements for economic and reliable monitoring of gas levels in a wide range of environments from commercial premises through to heavy industrial applications that may require hazardous area sensing.

WATCHGAS 101 Main Features

  • Flammable, Oxygen, Toxic, and refrigerant gases;
  • Data logging;
  • Three alarm stages + relays;
  • 4~20mA analog output;
  • Sensor input select 4~20mA/mV BRIDGE;
  • Backlit alphanumeric full status display;
  • Front panel access to set up and maintenance of parameters.

Description

The WatchGas101 may be utilized as a standalone unit or as an addressable sensor forming part of the WatchGas Combi CANbus addressable network system and therefore offering the features of our most advanced system. Typical monitor locations are - public buildings, boiler plant rooms, swimming pools, water treatment works, H&V control systems, manufacturing and process plants.

General Specifications

Measuring Range Combustible Gas - LEL, % Vol, ppm
Toxic Gas - ppm
Oxygen - % vol - Depletion or Enrichment
Any 4~20mA source input signal
Indicators Two line alpha numeric back lit display
Power - Green LED
Alarms 1, 2, 3 - Red LED's
Fault - Amber LED
Alarms inhibit - Amber LED
Audible Alarm 1, 2, 3 and Fault Alarms - mutable
85dB @ 10cm
Power Supply 24v nominal 15 to 30vDC
Option - 230/115v AC 50/60 Hz
The two voltages may be utillised simultaneously - standby supply
Power Consumption 4watts - full alarm
Outputs 1, 2, 3 and fault alarm relays - SPCO normally de-energised - energised option, latched or unlatched

All contacts rated 3A - 230v AC
4-20mA
CANbus
Logging - Intervals - Variable time
Roll over/stop
Storage - 2,880 readings
Requires  RS232 lead
PC or laptop (dedicated)
Hyperterminal - download from website

Alarm Settings Digital setting (fully adjustable between zero and full scale)
Delay to alarm
Sensor Inputs (jumper selectable) Bridge type 3 wire detector mv (Catalytic)
4-20mA (electrochemical / infrared / catalytic / PID / semiconductor)
Sensor Cable 3 core 1.5mm² screened 1.5km
Miscellaneous Operating temperature -15 to +50°C
Storage temperature -5 to 55°C
Alarm relay inhibit during ccalibration
Sounder inhibit
System function test
Dimensions
L 145mm H 145mm D 65mm 24vDC version (S)
Weight 0,8 kg
Protection IP64
Field Terminals - screw type 2.5mm
Cable entry - top, bottom, sides, rear

 

 

Sensor options

  • (Petro) chemical plants and factories
  • Tank storage parks
  • Sewage and wastewater treatment facilities
  • Mining industry
  • Construction sites
  • Governments/first responders
  • Food and beverage industry

Product Application:

  • Public buildings
  • Boiler plant rooms
  • Swimming pools,
  • Water treatment works
  • H&V control systems
  • Manufacturing and process plants

Key Features

  • Data Logging
  • Three Alarm Stages + Relays
  • 4~20Ma Analogue Output
  • Sensor Input Select 4~20Ma/Mv Bridge
  • Weather Proof
  • Back Lit Alpha Numeric Full Status Display
  • Front Panel Access To Set Up And Maintenance Of Parameters
  • Internal Or Remote Sensor Options
  • Aspirated Sensor Option

The contents are subject to change without prior notice.

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