The Ohaus Starter pH Pen Meter (ST20M-B) is a compact, economical pen meter offering fast, convenient electrochemistry measurement at your fingertips, with durable IP67 waterproof housing for use in rough, wet environments.
Meter Type
pH, Conductivity, TDS
Measurement Range
0.00-14 pH; 0-1999 uS/cm; 0-1000 mg/L TDS; 0-99.0 C
Accuracy
+/-2.0% F.S.; +/-0.05 pH / +/-0.5 C
Resolution
0.01 pH
Housing
IP67 waterproof ABS with protective sensor cap
Frequently Asked Questions
Q: Is this pen meter waterproof? A: Yes, it features IP67 waterproof ABS housing and a protective sensor cap for use in wet field environments.
Q: Does it shut off automatically? A: Yes, an automatic shutdown feature preserves battery life during periods of inactivity.
Q: What comes included? A: The meter ships with a wrist strap to prevent accidental drops and damage, along with the protective sensor cap.
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