Daviteq | Dai Viet Controls and Instrumentation Company Ltd.

DaviteqModel WSSFC-G4F-NH3 -Sigfox-Ready NH3 and H2S Sensor for Toilet

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WSSFC-G4F-NH3 is a Sigfox-ready sensor with a built-in advanced gas sensor to measure the concentration of Ammonia NH3 and H2S to help assess odors in the Toilet. With a special design that increases the sensitivity of the sensor, even though it is mounted on the ceiling at a distance of up to 2.6m. The sensor has an ultra-low-power design and smart firmware that allows the sensor to run on 2 x 1.5VDC AA batteries for 2-5 years with 15 minutes of updating. The sensor supports Sigfox network regions of the world, RC1, RC2, and RC4. Typical application: Odor monitoring in private or public restrooms, toilets, and WC, helps to manage optimal cleaning staff.

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High Sensitivity
  • Special design to get high sensitivity even the sensor is mounted on ceiling up to 2.6m
Anti-tampering
  • Allow mounting the sensor on ceiling or high wall to prevent tampering
Sigfox-Ready
  • For Sigfox zone RC1, RC2, and RC4
Ultra-low-power Design
  • Allow the sensor to run in 2-5 years with 2 x AA batteries

Sensor type High sensitive electrochemical type sensor, built-in auto-sampling mechanism
NH3 range 0..100 ppm (or equivalent 0..285.7 ppm H2S)
NH3 tolerance limit 200 ppm
Repeatability / Resolution / Stability per month < 3% of reading / 0.1 ppm / < 1% of reading/month
Zero-point stability +/- 0.3 ppm
Ambient pressure 101.3 Kpa +/- 10%
Sensor life 2 years, in clean air
Working temperature -10 .. + 50°C
Working humidity 15.. 90% RH
SIGFOX SPECIFICATIONS:
Sigfox region supports RC1, RC2, and RC4
Antenna Internal antenna 2dbi
Configuration Via Downlink or USB cable (software on PC provided free of charge)
Battery 02 x AA size 1.5VDC, battery not included
RF module Complied to CE, FCC, ARIB standards
Electronics -40°C..+60°C (AA Energizer Lithium Ultimate battery installed)
Case/protection grade ABS, indoor use, do not spray water directly on the device
Dimensions/Weight Diameter 95mm x Height 40mm / < 250g