笔式ph计，酸度计，ph计，ph测试仪，ph监测仪，ph检测仪，ph测试笔
笔式ph计（防水型） 产品详情
model
　ph-981
range
0.00～14.00ph
resolution
0.01 ph
accuracy
±0.05ph
calibration
1point
a t c
0 to 60℃
power
4×1.5v alkaline
dimensions
170×33×20mm
weight
70g
● atc ● low battalear ● waterproot ● hold
model
　ph-281
range
0.00～14.00ph
resolution
0.01 ph
accuracy
±0.05ph
calibration
1 point
a t c
0 to 60℃
power
4×1.5v（lr44）
dimensions
172×26×26mm
weight
73g
● atc ● replacement electrode ● low battalear ● waterproot ● hold
model
　ph-281a
　ph-281b
range
0.00～14.00ph
resolution
0.01 ph
accuracy
±0.1ph
calibration
1 point
a t c
0 to 60℃
plug
bnc + 1m cable
bnc
power
4×1.5v (lr44)
dimensions
135×26×26mm
weight
62g