SM70 Wall Mounted Ozone Monitor

With an integrated LCD display, audible alarm, relay outputs, and GSS Ozone sensor– the SM70 offers unbeatable value for industrial and indoor gas monitoring.Benefitting from the accuracy of proprietary GSS sensors, our customers use the SM70 in many indoor and industrial applications including: leak detection, health and safety monitoring, and process control.

  • Large LCD 3.5 digit display
  • Alarm or control modes
  • Multiple outputs—analog, serial, relay
  • Active sampling for improved accuracy
  • Mains powered


  • Ambient gas monitoring & control
  • Health & safety alarm monitoring
  • VOC solvent off-gas monitoring
  • Indoor air quality monitoring
  • Ozone generator control


Specifications of the SM70
Sensor type Analytic GSS Technology®
Gas Sensitive Semiconductor
Sensor specifications Available with ozone
Sampling method Active sampling
Operational mode Continuous Control or Alarm
Operating temperature 0°C to 40°C
Operating relative humidity 10% to 90% non condensing
Warm up time 10 minutes
Display 3.5 digit LCD
Relay set point User configurable
Digital output RS232 and RS485
Analog output 0 - 5 VDC (8 bit)
Relay output 24 V; 5A (max.)
Buzzer alarm (optional) Internal piezo 85 db @ 30 cm
Power supply 12 VDC; 800 mA; Plug-in AC power adaptor supplied
Enclosure rating IP20 & NEMA 1 equivalent
Enclosure dimensions 130 W x 94 H x 57 D (mm); 5 @ W x 3 ¾ H x 2 ¼ D (in)
Enclosure casing Flame resistant thermoplastic PS
Enclosure mounting Screw fix
Weight < 270 g; 9.5 oz (excludes AC power adapto
Approvals Part 15 of FCC Rules
EN 61000-6-3: 2001
EN 61000-6-1: 2001
Ordering information
Model Details Price view shopping cart


Includes monitor base with digital display and built-in alarm, and GSS Ozone Sensor


Topac Inc. 231 CJC Highway, Suite 103 Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779

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