Detail Thermohygrograph Sigma II Sato Japan
Thermohygrograph Sigma II Sato Japan
Sensors: Aged bimetallic strip for temperature.
Human hair bundle for relative
Range: -15 to + 40C for temperature, 0 to 100% for relative humidity
Recording pens: Cartridge pens ( violet)
Accessories: 7 day chart for 1 year use ( 55 sheets/ pad) , battery, instruction manual
Ada 2 type:
1. Quartz type, No. 7210-00,
Clock: 1 day, 7 day and 32 day by change over switch.
Battery: 2 pc, of C cell ( 1.5 V)
2. Spring-wound type, No. 7215-00,
Clock: 1 and 7 day changed by gear
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