For Combustion Furnaces

Type SE-740/SE-740D


    The SE-740 is an oxygen analyzer ideal for combustion management and control of combustion exhaust gas from boilers and all types of industrial furnaces. It is equipped with a compact zirconia sensor based on Toray Engineering's unique technology, and has a detector with a simple internal structure for dramatically improved ease of maintenance and operation.

Main Specifications

Principle of measurement Zirconia concentration cell
Type Wall-mounted
Display system Digital
Measurement range 0-1 / 10 / 100 vol%O2 (With auto range function)
Response speed Within 10 sec (90 % response)
Repeatability Within ±1 % of full scale
Sampling system Suction using air aspirator
Sampling gas rate 1-10 L/min (freely variable)
Reference gas Air
Recorder output DC 4-20 mA
Ambient temperature Detector: -10 °C to 50 °C
Convertor: 0 °C to 40 °C
Warmup time Approx. 20 min
Dimensions Detector: 130(W) × 250(H) × 115(D) mm
Convertor: 250(W) × 260(H) × 120(D) mm
Weight Detector: 4 kg
Convertor: 4 kg
Detector connection JIS 50 A RF flange mounting
Power supply AC 100 V 50/60 Hz
Max. power consumption 100 W
Probe or insertion point Material: SUS316 or equivalent
Dimensions: Outer diameter Φ13.8 /Inner diameter Φ6.0 × 1,000 mm
Heat resistance: 600 °C max.
Explosion-proof construction Non-compliant