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pH Meter HM-7J & HM-20J DKK-TOA |
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Features |
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HM-7J |
HM-20J |
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● pH Meter |
● pH Meter |
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● Easy-to-read display with analog meter |
● Easy-to-read of measurements digital display |
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● Capable of measuring oxidation-reduction potential ( ORP ) |
● Capable of measuring oxidation- reduction potential ( ORP ) |
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● With mV-shift function |
● With mV-shift function |
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● Low price, compact size |
● Low price, compact size |
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● pH 3.5 〜10.5 Expansion scale : 200 % |
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Specifications |
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Model Name |
HM-7J |
HM-20J |
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Measurement |
Method Glass Electrode Method |
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Display |
Analog meter, pH / mV switching |
Digital meter, pH / mV switching |
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Measurement Range |
pH |
Range |
pH 0〜14 |
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Resolution |
0.1 pH ( scale ) |
0.01 pH |
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pH |
Range |
pH 3.5〜10.5 |
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Expansion |
Resolution |
0.05 pH ( scale ) |
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mV |
Range |
0〜±700 mV ( 0〜±1400 mV by Zero shift ) |
0〜±1999 mV |
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Resolution |
10 mV ( scale ) |
1mV |
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Repeatability (Meter Main Unit) |
pH |
±0.05 pH |
±0.01 pH ±1 digit pH |
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pH expansion |
±0.025 pH |
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mV |
±10 mV |
±1 mV ±1 digit |
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Analog Output |
pH |
±700 mV ( pH 0〜14 ) |
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mV |
±350 mV( 0〜±700 mV ) |
±1 V ( 0〜±1999 mV ) |
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Temp. Compensation Range |
ATC ( Auto Temp. Compensating ) : 0 〜100.0 ℃ |
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Calibration |
Manual ( Zero span ) |
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Operation Temp. Range |
0〜40 ℃ |
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Power Source |
AC Line or Size AA battery × 2 |
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Power Consumption |
Approx. 3 VA |
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Main Unit Dimensions |
Approx. W 148 × H 75 × D 221 mm |
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Main Unit Weight |
Approx. 0.7 kg |
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Standard Accessories |
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pH Electrode |
GST-5711C 1 piece |
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Standard Solutions |
Each 1 bottle |
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KCL Solution |
1 bottle |
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Electrode Holder |
1 piece |
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Electrode Attachment |
1 piece ( J-type ) |
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Electrode Stand |
1 piece |
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Support |
1 piece |
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Stopper |
1 piece |
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Polyethylene Beaker |
150 mL 3 pieces |
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Thermometer |
1 piece |
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Power Cable |
1 piece |
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Ground Wire |
1 piece |
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Operation Manual |
1 copy |