Operating Voltage Range:

3.0 – 5.0 V d.c.

Operating Current:

Constant current operation, current range 75 – 85mA

Programmable Output Voltage Ranges:

Voltage Output Types – 0.1V to 2.7V d.c.

Bridge Output Types – 0v to Bridge Supply Voltage

Methane measuring range:

0-5%, 0-99% volume, or both

Propane measuring range:

0-2% volume

Resolution:

0.01% for readings up to 5% volume methane

0.1% for readings from 5% up to 99% volume methane 0.01% propane for all readings

Output voltage resolution 42.7 µV.

Linearity:

The output is linear within ± 10% of the applied gas, or

+/-0.05%, whichever is greater.

Warm up time:

To final zero ± 2% full-scale: 1 minute

Accuracy:

± 10% of the reading @ 20°C (68°F), 1 bar pressure, applied gas.

Pressure

± 5% of the calibration pressure to maintain the accuracy limits

Methane response Time T50:

<10s

Methane response Time T90:

<30s

Propane response Time T50:

<10s

Propane response Time T90:

<30s

Zero Repeatability:

±0.05% volume methane

Span Repeatability:

± 0.1% volume methane at 5% applied gas.

± 2% volume methane at 99% applied gas.

Long term zero drift:

± 0.05% volume methane per month

Operating temperature range:

-20°C to +50°C (-4°F to 122°F)

Temperature performance over the range

-20°C to +50°C(-4°F to 122°F):

* May not be applicable when using gas cross-reference factors

± 0.1% volume or ± 10% of reading up to 50% of full scale, ± 15% of reading from 50% to 99% of full scale, or 2% of full scale whichever is greater over the range -

20°C to +50°C (-4°F to 122°F)

Storage temperature range:

-20°C to +50°C (-4°F to 122°F)

Humidity range:

0 to 95% RH non-condensing.

Digital signal format:

8 data bits, 1 stop bit, no parity. 2.8V logic level

Standard baud rates:

38,400, 19,200, 9600, 4800

User configurable parameters and functions:

Zero output voltage

Full-scale output voltage Positive or negative going output Sensor ‘zero’ function

Sensor ‘span’ function Over-range value

MTBF:

> 5 years

Weight :

15 grams