Item
Price
Brand
Range
Accuracy
Resolution
Auto Temp Comp
Temperature Display
Temp Display Range
Temp Resolution/Accuracy
Calibration
Cal Solution Included
Replaceable Sensor
Memory
Water Resistant
Auto On/Off
Battery
Approximate Battery Life
Storage (Wet or Dry)
Oakton pH Tester with Calibration Solutions
RCP055
$159.50
pH -1-15
Plus/Minus 0.01 pH
0.1 pH
Y
Y
32-122 F
.1 C/F
1 Button
Y
Y
N
Y
Y
(3) 1.4 v
500 hours
Wet
Extech ® Waterproof Palm Water pH Meter
211847
$160.50
Extech
pH 0.00-14.00
Plus/minus 0.01 pH
.01 pH
Yes
Yes
32-212 F
Plus/minus 0.8 F/0.5 C
Automatic
Yes
Yes
Yes
Yes
Yes
9V
Not specified
Wet
Hanna Calibration Meter -- Low-cost pH Tester w/ Calibration Solutions
RH1275
$70.50
Hanna Instruments
pH 0-14
Plus/Minus 0.2 pH
.01 pH
N
N
none
none
Manual/2Pt
Y
Y
N
Y
Y
(2) 1.5 v
3000 hrs/continuous use
Wet
pH Meter Kit with 50-Set Memory
125161
$97.95
pH 0.00-14.00
Plus/minus 0.01 pH
.01 pH
Yes
Yes
32-212 F
Plus/minus 0.6 F/0.3 C
Automatic
No
Yes
Yes
Yes
Yes
LR44
200 hours
Wet
Hanna pH Meter with Solutions
71250
$70.50
pH 0.0-14.0
Plus/minus 0.1 pH
.1 pH
Yes
No
Not applicable
Not applicable
Manual
Yes
Yes
No
Not specified
Not specified
1,.5V
700 hours
Wet
Hanna pHep 5 pH Meter with solutions
71350
$127.50
Hanna Instruments
pH -2-16
Plus/Minus 0.05 pH
.01 pH
Y
Y
0-140 F
Plus/Minus 1 F/.5C
Automatic
Y
Y
N
Y
Y
(4) 1.5 v
300 hours
Wet
Extech ExStik pH Pen
G71500
$92.50
Extech Instruments
pH 0-14
Plus/Minus 0.01 pH
.01 pH
Y
Y
32-149 F
.1 F
1 Button
N
Y
Y 15 Readings
Y
Y
(4) LR44
Not specified
Wet
Economical Waterproof pH and Temperature Pen
143497
$57.00
Extech Instruments
pH 0-14
Plus/Minus 0.2 pH
.1 pH
Y
Y
32-122 F
Plus/Minus 1 F/.5C
1 Button
N
N
N
Y
Y
(4) LR44
Not specified
Wet
Extech ® ExStik II pH/Conductivity Kit
145341
$194.95
Extech
pH 0.00-14.00
Plus/minus 0.01 pH
.01 pH
Yes
Yes
23-194 F
Plus/minus 1.8 F/1 C
Automatic
Yes
Yes
Yes
Yes
Yes
3V CR2032
Not specified
Wet