YUEFENG JPB-607 and QiWei JPB-607A compare

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Model selection comparator If you have any questions, please click below Service	YUEFENG JPB-607 Portable dissolved oxygen analyzer 1600.0 RMB China Detail	QiWei JPB-607A Portable intelligent dissolved oxygen analyzer 940.0 RMB China Detail

Model comparison

Type	Single parameter	Single parameter
Style	Portable	Portable
Measurement parameters	DO	DO
Accessories

Parameter comparison

DO range	0~20.0mg/L
Temperature Measurement range	0~40℃
DO measurement Accuracy	± 0.1Mg/L (the calibrated temperature is the same as the measurement temperature), ± 0.5mg/L (when the calibrated temperature is ± 10 ℃ from the measurement temperature)
Temperature measurement Accuracy	±1℃
Residual current	Not more than 0.15mg/L (± 1 word)	Not more than 0.15mg/L
Response time	≤ 30s (20 ℃, 90% Response)	≤ 30s (20 ℃, 90% Response)

Automatic temperature compensation range	0~40℃	0~40℃
Environment temperature	0~40°C
Working Relative Humidity	≤ 90% RH (non-condensing)
Measured solution temperature range	0~40°C
Power	6F22 type 9 volt battery one	No. 7 alkaline battery four
Weight	0.3kg	1kg
Dimensions	1657235mm	1808030mm

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