Test principle | thin-film capacitor |
Display mode | 128×64 matrix dot LCD |
Test range |
basic type,-60 ~ +20℃ standard type,-80 ~ +20℃ expansive type,-100 ~ +20℃ |
Accuracy |
≤±1℃(0 ~ -60℃) ≤±2℃(below -60℃) |
Resolution | 0.1℃ |
Response time |
-40→-10℃5s(10s) -10→-40℃15s(240s) |
Repeatability | ≤±1.5℃ |
Analog output |
4-20mA.DC(non-isolated output, loaded resistance lower than 500 Ohm) 0-5V.DC(non-isolated output, loaded resistance higher than 10k Ohm) 1 way programmable alarm output (Dry contact type, maximum load 220VAC/2A) |
Communication port | RS232(default)or RS485 |
Power supply | AC170 ~ 265V 50/60Hz |
Working temperature | -10 ~ +50℃ |
Sampling mode | sample gas pass-in or extraction |
Sample gas flow | 2 ~ 4L/min |
Sample gas pressure | (without pump) 0.05MPa≤entrance displayed pressure≤ 0.35MPa |
Sample gas pressure | (with pump) micro-positive pressure, micro-negative pressure or ordinary pressure |
Background gas | H2, He, inactive gas and hydrocarbon, etc |
Appearance Size | 400mm×300mm×200mm(H×W×D) |
Serving life | >4 years(under normal use) |
Gas circuit port | NPT 1/8 internal thread |
Install mode | wall mount |