Home Gas Analyzer Indonesia Model 375 Portable O2-CO-CO2 Flue Gas Analyzer (NOVA)
Model 375 Portable O2-CO-CO2 Flue Gas Analyzer (NOVA)

In operation, a built-in sample pump draws in the flue gas sample through the S.S. probe, 12 ft. (4 m) sample hose, condensate removal filter, secondary filter and flow meter and then on to the three sensors. The detected O2, CO2, and CO are displayed on digital meters which have a switchable backlight for use in dark areas. A special water separating filter and separate drain pump continuously remove condensate from the sample so the analyzer can be operated for long periods unattended.

The Nova 375T version also indicates stack temperature for doing fuel efficiency calculations. The temperature sensor is built into the sampling probe. Efficiency charts for each fuel are provided.
A rechargeable 'gel cell' battery provides enough power for about 16 hours of continuous operation and the analyzer can be used while it is being recharged. A red LED tells when to recharge and a green LED verifies that it is receiving recharging power. The recharger is included.

Analysis of oxygen (O2), carbon monoxide (CO), and carbon dioxide (CO2). For checking the combustion efficiency, and burner & control performance of furnaces, heaters, and boilers.
May be used in commercial, industrial, and residential applications.

• CO2 actually measured by infrared detector, not calculated
• Rugged design that is easy to operate
• Fast warm up and response
• Dual CO range: 0-2000 PPM & 0-4.00%
• Rapid reading recovery after CO 'overdose'
• Digital readout meters with backlight
• Modular design that is easy to maintain
• Rechargeable battery operation
• Built-in sample pump, filter and flow meter
• Continuous condensate removal
• Weatherproof (WP) cabinet with clear Lexan cover
• Stainless steel probe with sample hose
• Use on any fuel
• Pays for itself in months through fuel savings

• Outputs of 0-1V or 4-20mA
• Stack temperature readout (375T)
• Special sampling probes
• Suitcase (K) style cabinet available
• AC power only operation
• Detachable/portable data logger

• Air for O2 span and CO/CO2 zero
• Analyzed gas mixture of CO2 and CO in nitrogen for span


Method of Detection: Customer replaceable electrochemical oxygen and CO sensors
Solid state infra red detector for CO2
Ranges Available: 0-25.0% Oxygen
0-20.0% CO2
(other CO2 ranges available)
0-1800°F (0-1000°C) stack temperature (Model 375T)
0-2000 PPM and 0-4.00% CO - switch selectable
(lower PPM ranges available without switch-selectable percent display)
Accuracy and Repeatability: 2% full scale for O2 and CO2; ± 10 PPM CO
Drift: < 2% full scale per 8 hours of continuous operation
Response Time (T-90): 10-15 seconds for O2; 20-30 seconds for CO and CO2
Ambient Temperature Range: 32° to 105°F (0-40°C)
Linearity: ± 1.0% of full scale for each gas measured
Size and Weight: WP style approx. 16" L x 4 1/2" H x 8" D @ 13 lbs (40.6 x 20.3 x 10.8 cm @ 5.6 kg)
K style - approx. 18" L x 7" H x 12" D @ 15 lbs (45.7 x 30.5 x 17.8 cm @ 6.8 kg)
Power: AC/DC operation. 115VAC 60Hz for recharging (other voltages available)
Output Options: 4-20 mA or 0-1 VDC
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