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High-temperature box-type resistance furnace calibration technical testing requirements

High-temperature box-type resistance furnace calibration technical testing requirements

箱式电阻炉规格(Box type resistance furnace specifications) 炉温均匀度(℃) Furnace temperature uniformity 炉温稳定度(℃) Furnace temperature stability 表面升温(℃) Surface heating
ክፍል A ክፍል B ክፍል ሲ ክፍል A ክፍል B ክፍል ሲ 炉壳 Furnace shell 炉门 Furnace door 手柄 handle
RX3/RX7 ± 10 ± 7 ± 4 ± 10 ± 4 ± 1 ≤40 ≤40 ≤25
RXXXTX ± 15 ± 10 ± 6 ± 10 ± 4 ± 1 ≤45 ≤60 ≤25
RXXXTX ± 15 ± 10 ± 6 ± 10 ± 4 ± 1 ≤60 ≤75 ≤25
RXXXTX ± 20 ± 15 ± 8 ± 10 ± 4 ± 1 ≤70 ≤85 ≤25
RXXXTX ± 25 ± 20 ± 10 ± 10 ± 4 ± 1 ≤80 ≤100 ≤25