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Measurement range:
Dissolved oxygen :(0.0 ~ 20.0)mg/L
The temperature: (0 ~ 40 ° C)
Basic error: Dissolved oxygen: plus or minus 0.3mg/L; Temperature: + 1 ° C
Residual current: not greater than 0.15mg/L
The response time: not more than 30 s (20 ° C at 90% response)
Automatic temperature compensation scope: (0 ~ 40 ° C)
Electric source: 4 no. 7 alkaline batteries
External dimension (mm): 180 x 80 x 30
Weight: 1kg
