The Ntron Model 7100 provides an affordable and versatile Oxygen Analyzer solution that’s ideal for high-purity gas manufacturing, high quality welding applications, and semiconductor manufacturing applications. The unit provides high-purity gas measurement in a range of 0 - 2,000 ppm.

A small footprint and compact size makes the Ntron 7100 easy to install. The unit’s expected operational life is five to ten years.

The low-maintenance, long-life Zirconia sensor has virtually unlimited shelf life and will not dry out or freeze.

Learn more:
The Zirconia Sensor Advantage

Sensor: Mini Zirconia Sensor

Measurement Range: 0-10PPM/0-100PPM/0-1,000PPM/0-2,000PPM/auto range or fixed range

Display: 0.75” (19.05mm) LED digital display, Color coded LEDs for system status, Alarms 1&2= RED, system fault= YELLOW, OK and online= GREEN

Response Time: <15 sec. to 90% step change @ PPM level

Intrinsic Error (accuracy):

±3PPM @ 0-50PPM/±5PPM @ 51-500PPM/±5PPM @ 501-2000 PPM O2 @ STP when calibrated @ target concentration @ STP: ±1% range

Operating Temperature: 5-45º C

Signal Interface: RS-232 service port, 4-20mA negative ground, 0-10VDC range ID and choice of 0-1VDC or 0-5VDC or 0-10VDC analog oxygen signal

Alarm Outputs: Two alarms with adjustable form C relay outputs. Configurable for fail-safe or fail-alarm mode, ascending or descending trip. One system fault relay. One alarm/relay for sensor heater OK.

Sample Port: 1/8” NPT female ports

Electrical Connections: Removable terminal blocks on back of analyzer

Power, Analyzer: 5W at 115/230VAC 50/60Hz, single phase or 12-30VDC (battery backup capability)

Environmental Ratings, Analyzer:

Faceplate: NEMA type 4, IP66
Housing: NEMA type 1, IP20

Warranty: Electronics and sensor: One yr.

Weight: Analyzer: Less than 2 lb. (0.9 kg)

Features:
	Compact, easy-to-install modular analyzer with small footprint
	Large, extra-bright, color-coded LED status display
	Removable terminal blocks
	Long-life Zirconia sensor
	Can be provided with internal or external sensor