TA-480・TH-D4A

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  • Convenient test switch
  • Alarm concentration is changeable with a digital switch











SPECIFICATIONS

Model TA-480
Measuring Gas See below "Measuring Gas & Range"
Detection Principle Chronoamperometry method
Measuring Range See below "Measuring Gas & Range"
Display Method 3-digit LED digital
Alarm Method Red LED lights intermittently and buzzer sounds intermittently
Alarm Setting See below "Measuring Gas & Range" (Adjustable)
Failure display Red LED lights intermittently and buzzer sounds intermittently
Power Source AC100V±10V, 50/60Hz (AC220V as extra option)
Alarm contact output 1a or 1b contact, AC125V, 0.6A (Resistance load)
Analog output 4 - 20mA (linear)
Detection Point 1 point
Operating Temperature Range Temperature: -10 - 40℃
Installation Wall mount type (Panel mount type is optional)
Dimensions 120(W)×205(H)×69(D)mm
Weight 0.9kg

Measuring Gas & Range


Measuring Gas

Carbon Monoxide (CO)

Hydrogen Sulphide (H2S)

Ammonia (NH3)

Measuring Range

0?300ppm

0.0?50.0ppm

0?100ppm

The Lowest Indication

1ppm

0.1ppm

1ppm

Default Alarm Setting

50ppm

10.0ppm

25ppm

Alarm Accuracy

Within +/-30% of the setting value (over a range of 50ppm)

Within +/-3.0ppm of the setting value

Within +/-30% of the setting value (over a range of 25ppm)

Conformity Detector Heads

TH-D4ETH-S4TRD-1T

TH-D4ETH-S5TRD-1T

TH-D4ETH-S5TH-D4E

 

Measuring Gas

Silane (SiH4)

Phosphine (PH3)

Measuring Range

0.0?20.0ppm

0.00?1.00ppm

The Lowest Indication

0.1ppm

0.01ppm

Default Alarm Setting

10.0ppm

0.30ppm

Alarm Accuracy

Within +/-30% of the setting value (over a range of 5.0ppm)

Within +/-30% of the setting value (over a range of 0.3ppm)

Conformity Detector Heads

TH-S3

TH-S3



TH-D4A


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SPECIFICATIONS

Model TH-D4A
Sampling Diffusion method
Measuring Gas Carbon monoxide, Hydrogen sulphide, Ammonia
Detection Principle Chronoamperometry method
Dimensions 93(W)×162(H)×65(D)mm
Weight 0.7kg
Conformity detector heads TA-470, TA-480, KA-700RT, KU-7R/T