pen type, buzzer alarm
O 2 METER
Model : PO2-250
FEATURES
* O2 ( Air oxygen ) and Temp. ( Air Temp. ) Weight 194 g/ 0.43 LB.
measurement. Dimension 180 x 40 x 40 mm (7.1" x 1.6" x 1.6")
* O2 measurement range : 0 to 30.0 % x 0.1 %. Accessories Instruction manual.............................1 P.C
* Temp. measurement range : 0 to 50 ℃, ℃/℉. Included Soft carrying case ( CA-52A )..........1.. .P..C.................
* O2 Buzzer warning : If the measurement value < 18.0 Application * O2 monitor/dectors.
%O2, the buzzer will sound for warning. * Food industrial :
* Galvanic cell type for O2 sensor. Refrigerator, Vegetable factory
* High reliability Oxygen sensor, not be affected by * Bio-Technology :
acidic gases like CO2. Oxygen incubator, Anaerobic cultivator
* Oxygen sensor with temperature compensated. * Security system :
* Data hold, to freeze the desired reading value. Air conditioner and Oxygen shortage
* Auto power off saves battery life. alarm system, Fire alarm system
* Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries. * Fuel cell system.
* Microprocessor circuit ensure high accuracy, and also
and also provides special functions and features. ELECTRICAL SPECIFICATIONS (23± 5 ℃)
* Durable and compact ABS-plastic housing.
* Application : O2 monitor/dectors, Food industrial ( O2 ( Air oxygen )
Refrigerator, Vegetable factory ), Bio-Technology (
Oxygen incubator, Anaerobic cultivator ), Security Range 0 to 30 %O2.
system ( Air conditioner and Oxygen shortage alarm Resolution 0.1 %O2.
system, Fire alarm system ), Fuel cell system. Accuracy ± ( 1 % reading + 0.2 % O2 ).
@ After calibration
GENERAL SPECIFICATIONS Response time ≦ 15 seconds. @ t 90
Display LCD size : 28 mm x 19 mm. Overload 100 %O2.
Measurement O2 ( Air oxygen ) protection
Temperature ( Air Temp. ) Environment 0.9 to 1.1 atmosphere.
Sensor Oxygen Galvanic cell type pressure range
Temperature Thermistor Expected life ≧2 years.
Circuit Custom one-chip of microprocessor LSI time
circuit. Alarm If the measurement Air oxygen value
Data Hold Freeze the display reading. < 18.0 %O2, the buzzer wll sound
Sampling Time Approx. 1 second. for warning.
Power off Auto shut off saves battery life.
Operating 0 to 50 ℃. Temperature ( Air Temp. )
Temperature
Operating Less than 80% R.H. Range 0 ℃ to 50 ℃,32 ℉ to 122 ℉.
Humidity Resolution 0.1 degree
Power Supply DC 1.5 V battery ( UM4/AAA ) x 4 PCs. Accuracy ℃ - ± 0.8 ℃.
Power Current Approx. DC 4.0 mA ℉ - ± 1.5 ℉.
