Envco – Environmental Equipment

The pH 1970i Portable pH Meters ship complete with NiMH rechargeable batteries, dual-voltage 110/220 VAC adapter, and neck strap. A pH probe is not included with the portable pH meters. Choose from one of the two waterproof pH electrodes listed below or call us if you need a special purpose electrode for your portable pH meter.

Portable pH Meters Specifications
Portable pH Meter Range
pH: –2.00 to 16.00
mV: ±1250
Temperature: –5.0 to 99.9°C
Portable pH Meter Resolution
pH: 0.01
mV: 1
Temperature: 0.1°C
Portable pH Meter Accuracy
pH: ±0.01, ±1 digit
mV: ±2, ±1 digit
Temperature: ±0.1, ±1 digit °C
Temp compensation: Automatic, –5 to 99.9 °C (with ATC probe)
Buffer recognition: 2.00, 4.01, 7.00,10.01; and pH 1.979, 4.008, 6.865, 9.18
Datalogging: 50 data sets
Output: RS-232
Display: Multi-line LCD
Power: 110/220 VAC adapter
Battery life: Up to 1500 hrs
Dimensions: 9"L x 7 1/4"W x 3 1/2"H
Certifications: CE

NOTES: Buffers with values of 2.00, 4.01, 7.00, 10.01 are standard US buffers.
Buffers with values of 1.679, 4.008, 6.865, 9.18 are NIST buffer values.
A pH probe must be ordered separately.

Ordering Information
pH1970i Portable pH meter w/universal power supply Probe not included.

Portable pH Meters Electrodes
SenTix 41 Portable pH Meter Electrode Replacement plastic body electrode w/auto temp, waterproof connector

SenTix 21 Portable pH Meter Electrode Replacement plastic body electrode, no temp, waterproof connector