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wrn-440防爆热电偶
防 爆 级 别  | 防 爆 证 号  | 认 证 机 构  | 
d‖BT4  | GYB96450  | NEPSI  | 
d‖BT4  | GYB96453  | NEPSI  | 
d‖CT5  | GYB98339  | NEPSI  | 
d‖CT5  | GYB97197  | NEPSI  | 
ia‖CT6  | GYB99412  | NEPSI  | 
型 号  | 分度号  | 允 差 等 级  | |||
I  | II  | ||||
允差值  | 测温范围°C  | 允差值  | 测温范围°C  | ||
WRN  | K  | ±1.5°C  | -40~+375  | ±2.5 °C  | -40~+333  | 
±0.004ltl  | 375~1000  | ±0.0075 ltl  | 333~1200  | ||
WRM  | N  | ±1.5°C  | -40~+375  | ±2.5°C  | -40~+333  | 
±0.004 ltl  | 375~1000  | ±0.0075 ltl  | 333~1200  | ||
WRE  | E  | ±1.5°C  | -40~+375  | ±1.5°C  | -40~+333  | 
±0.004 ltl  | 375~800  | ±0.004 ltl  | 333~900  | ||
WRF  | J  | ±1.5°C  | -40~+375  | ±1.5°C  | -40~+333  | 
±0.004 ltl  | 375~750  | ±0.004 ltl  | 333~750  | ||
WRC  | T  | ±1.5°C  | -40~+125  | ±1°C  | -40~+133  | 
±0.004 ltl  | 125~350  | ±0.0075 ltl  | 133~350  | ||
类   别  | 级   别  | 大试验安全间隙(MESG)mm  | 
II  | A  | 0.9≤MESG  | 
B  | 0.5  | |
C  | MESG≤0.5  | 
 温 度 组 别  | 允许高表面温度 ℃  | 
T1  | 450  | 
T2  | 300  | 
T3  | 200  | 
T4  | 135  | 
T5  | 100  | 
T6  | 85  | 
型号  | 分度号  | 测温范围℃  | 热响应时间  | 保护管材料  | 规格  | |
d  | L×I  | |||||
WRM-440 WRM2-440  | N  | 0-800  | <90S  | 1Cr18Ni9Ti  | ¢16  | 300×150 350×200 400×250 450×300 500×350 550×400 650×500 900×750 1150×1000 1650×1500 2150×2000  | 
0-1000  | 0Cr25Ni20  | |||||
WRM-440G WRM2-440G  | 0-800  | <24S  | 1Cr18Ni9Ti  | |||
0-1000  | 0Cr25Ni20  | |||||
WRN-440 WRN2-440  | K  | 0-800  | <90S  | 1Cr18Ni9Ti  | ||
0-1000  | 0Cr25Ni20  | |||||
WRN-440G WRN2-440G  | 0-800  | <24S  | 1Cr18Ni9Ti  | |||
0-1000  | 0Cr25Ni20  | |||||
WRE-440 WRE2-440  | E  | 0-700  | <90S  | 1Cr18Ni9Ti  | ||
WRE-440G WRE2-440G  | <24S  | |||||
WRC-440 WRC2-440  | T  | 0-350  | <90S  | 1Cr18Ni9Ti  | ||
WRC-440G WRC2-440G  | <24S  | |||||
WRF-440 WRF2-440  | J  | 0-600  | <90S  | 1Cr18Ni9Ti  | ||
WRF-440G WRF2-440G  | <24S  | |||||