Hanna Instruments pH 211R - Manual (Page 3)

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FUNCTIONAL DESCRIPTION
1) Liquid Crystal Display (LCD)
2) CFM key, to confirm calibration values
3) CAL key, to enter or exit calibration mode
4) ▼ °C key, to manually decrease temperature or select pH buffer
5) ▲ °C key, to manually increase temperature or select pH buffer
6) MR key, to recall the stored value
7) MEM key, to store a value in memory
8) RANGE key, to select measurement range
9) ON/OFF button, to switch the meter on and off
10) Socket for power adapter
11) BNC connector for measurement electrode
12) Reference electrode connector
13) Temperature probe socket
14) RESET button
15) Positive (+) analog output connector
16) Negative (-) analog output connector
SPECIFICATIONS
Range -2.00 to 16.00 pH
±399.9 / ±2000 mV
-9.9 to 120.0°C
Resolution 0.01 pH
0.1 / 1 mV
0.1°C
Accuracy (@20°C/68°F) ±0.01 pH
±0.2 / ±1 mV
±0.5°C
Typical EMC Deviation ±0.03 pH
±2 mV / ±0.3°C
pH Calibration Automatic, 1 or 2 point
with 5 memorized buffers (pH 4.01, 6.86, 7.01, 9.18, 10.01)
Temperature Compensation
Automatic (with HI 7669/2W probe) or manual
-9.9 to 120°C (14 to 248°F)
pH Electrode HI 1131B glass body, double junction, refillable,
BNC connector and 1 m cable (included)
Temperature Probe HI 7669/2W (included)
Input Impedance 10 12
Ω
Analog Output 0 to 5 VCC not isolated
Analog Output Accuracy ±10 mV
Power supply 12 Vdc adapter (included)
Environment 0 to 50°C (32 to 122°F); RH max 95%
Dimensions 240 x 182 x 74 mm (9.4 x 7.1 x 2.9")
Weight 1.1 kg (2.4 lb.)