3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168 
Insize 0431-0018, PORTABLE pH METER, -2.00~18.00pH, 6974029777011
$736.75
Resolution 0.01pH
Accuracy ?0.01pH
Reading mode: auto-read and continuous-read
Automatic/manual temperature compensation
Auto-hold feature senses and locks the measurement endpoint
1 or 2 points calibration with standard recognition
Data capacity up to 200 sets for each parameter
