type

CG-L-JCG-L-JC

CG-L-G

Nominal flow rate(m3/h)

1.6 2.5 4.0

1.0 1.6 2.5

Item

Technical requirements

Working pressure range

0.5 kPa～5kPa

Total pressure loss

≦250Pa

Basic error limit

Qmin≤Q﹤0.1Qmax

±3%

0.1Qmax≤Q﹤0.1Qmax

±1.5%

Controlling part

Indication function

Insufficient of working voltage

Indicate the battery symbol, warning by buzzer

surplus gas less than 103

warning by buzzer

Operation by mistake

Indicate err, warning by buzzer

Controlling function

Gas payment and gas consumption controlling

Accurate and without error

Data maintaining and  restoring

Accurate and without error

Accumulation of the gas quantity

Accurate and without error

Power protection for insufficient voltage

Automatically shut off the valve, data maintaining

Protection function

Magnetic protection

Operate normally under the interference of strong magnetic

Protection sealing

Performance of the electrical appliance

Insensitivity to electromagnetic field radiation

Without affection to its performance

Durability of the valve

≥10000 times, gas leakage quantity ＜0.55L/h

IC card seat durability performance

≥10000 times, normal

Tension-resistance of the external connection line

≥30N, it will not shed and deform

Lower limit value of the reliability

≥2000h

Environment condition

Environment temperature

﹣5℃～﹢50℃

Relative humidity

≦93%

Atmospheric pressure

86 kPa～106 kPa

Electricity parameter

Service life of IC card

1000000 times

Working voltage

DC+3.5v～+5V

Static working current

≤30μA

Rated working current

≤35mA

Max. working current

≤250mA

Service life for battery

(AA alkalinity)≥10 months