TAKACHIHO TPD-1200 Hazardous gas detector (O₂: 25.0VOL%, CH₄: 100%LEL, CO: 150ppm, H₂S: 30ppm)

Oxygen (O₂)

Detection principle: Galvanic isolation type

Measuring range: 0.0–25.0 VOL%

Detection range (service range): 25.1–50.0%

Indication accuracy: Within ±0.7 VOL% (JIS T 8201 compliant)

Display unit: 0.1%

Alarm setpoint:

First alarm: 18.1–20.8%

Second alarm: 18.0%

Combustible Gas (CH₄)

Detection principle: Catalytic combustion type

Measuring range: 0–100% LEL

Detection range (service range): None

Indication accuracy: Within ±5% LEL

Display unit: 1% LEL

Alarm setpoint:

First alarm: 1–29% LEL

Second alarm: 30% LEL

Carbon Monoxide (CO)

Detection principle: Fixed-potential electrolysis type

Measuring range: 0–150 ppm

Detection range (service range): 151–300 ppm

Indication accuracy: Within ±10 ppm

Display unit: 1 ppm

Alarm setpoint:

First alarm: 1–49 ppm

Second alarm: 50 ppm

Hydrogen Sulfide (H₂S)

Detection principle: Fixed-potential electrolysis type

Measuring range: 0.0–30.0 ppm

Detection range (service range): 30.1–150 ppm

Indication accuracy: Within ±1.5 ppm (JIS T 8205 compliant)

Display unit: 0.1 ppm

Alarm setpoint:

First alarm: 1–9.9 ppm

Second alarm: 10.0 ppm

Power:

AA alkaline batteries (2 pcs)

AC 100±15V (50/60Hz)

*Rechargeable AA NiMH batteries (2 pcs) can also be used

Battery Life: Approx. 15 hours continuously (alkaline battery / 20°C without lighting)

Size: 357 × 197 × 210 mm

Mass: Approx. 5.1 kg (including batteries)

Optional Products: Data management software, gas inlet pipe (20 m, 30 m)