Product Accuracy ATC Calibration Electrode Resolution

Waterproof Double Junction pHTestr 1 ±0.2 pH - One point at 4.0, 7.0 or 10.0 Replaceable double junction 0.1 pH

Waterproof Double Junction pHTestr 10 ±0.1 pH Yes Up to three points US or NIST buffers (4.0, 6.86/7.0, 9.18/10.0) Replaceable double junction 0.1 pH

Waterproof Double Junction pHTestr 2 ±0.1 pH Yes Up to three points (4.0, 7.0, 10.0) Replaceable double junction 0.1 pH

Waterproof Double Junction pHTestr 20 ±0.01 pH Yes Up to 3 points US or NIST (4.01, 6.86/7.00, 9.18/10.00) Replaceable double junction 0.01 pH

Waterproof Double Junction pHTestr 3 ±0.01 pH Yes Up to 3 points (4.01, 7.00, 10.00) Replaceable double junction 0.01 pH

Waterproof Double Junction pHTestr 30 ±0.01 pH Yes Up to three points US or NIST(4.01, 6.86/7.00, 9.18/10.00) Replaceable double junction 0.01 pH

Waterproof Double Junction pHTestr 3+ ±0.01 pH Yes Up to three points (4.01, 7.00, 10.00) Replaceable double junction 0.01 pH

Waterproof pHTestr BNC ±0.02 pH - select up to 3 points: pH 4.00; 7.00; 10.00 Use with any pH electrode with BNC connector 0.01 pH

Waterproof pHTestr 1 ±0.2 pH - One point at 4.0, 7.0 or 10.0 Replaceable single junction 0.1 pH

Waterproof pHTestr 2 ±0.1 pH Yes Up to three points (4.0, 7.0, 10.0) Replaceable single junction 0.1 pH

pH Spear ±0.01 None Up to 3 points; selectable buffers USA - pH 4.01, 7.00, 10.01; NIST - pH 4.01, 6.86, 9.18 Replaceable spear tip double junction 0.01

Waterproof Double Junction ORPTestr ±2 mV - Offset up to ±150 mV Replaceable double junction 1 mV

ORPTestr^® ±5 mV - Offset up to ±150 mV Built-in single junction 5 mV

ORPTestr^® BNC ±5 mV - Offset up to ±150 mV Use with any ORP electrode with BNC connector 5 mV

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