Percent Measurement

High resolution 3 ½ LCD
Comprehensive state-of-the-art electronics platform, includes: simple and intuitive user interface, 2-fully adjustable alarm relay contacts, programmable alarm configurations, alarm bypass feature, programmable alarm delays, on board data logger, 3-individual security settings, internal diagnostics, remaining sensor life indication, etc.
Standard analog output ranges: 0-1%, 0-5%, 0-10% and 0-25%
Optional analog output ranges: 0-1000ppm, 0-50% or 0-100%
Isolated 4-20mA. analog output
Patented cellblock technology. Provides a flow control valve, flow meter, internal span gas and isolation solenoid valves all integral to the compact cell block
General Purpose Area Classification

High resolution 3 ½ digit LCD
Standard analog output ranges: 0-1%, 0-5%, 0-10% and 0-25%
Optional analog output ranges: 0-1000ppm, 0-50% or 0-100%
1-5VDC and 4-20mA. analog outputs
Patented cellblock technology. Provides a flow control valve, 3-way selector valve: Sample/Span/Off, and flow meter, all integral to the compact cell block
Approved by CSA International to UL and CSA standards as meeting requirements for Class I, Div. 1, Groups B,C,D with flammable gas sample

High resolution 3 ½ digit LCD
Standard analog output ranges: 0-1%, 0-5%, 0-10% and 0-25%
Optional analog output ranges: 0-50%, or 0-95%
On board data logger
Remarkably stable 10-year life zirconium oxide sensor
Flow control valve and flow meter integrated into advanced technology cellblock
The Model 111 has been designed for positive pressure applications
The Model 111P and 111B are designed for negative pressure to 5psig. applications and are outfitted with long life sample pumps
All have Rechargeable NiCad batteries
The Model 111 and Model 111P are for use in General Purpose Area Classifications
The Model 111B has been designed to meet Class1, Div. 2, Groups C,D Area Classifications