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Model

HI-4521

측정범위 (pH)

-2.0 to 20.0; -2.00 to 20.00; -2.000 to 20.000

최소측정단위 (pH)

0.1 pH; 0.01 pH; 0.001

정확도 (pH)

±0.1 pH; ±0.01 pH; ±0.002

측정범위 (mV)

±2000 mV

최소측정단위(mV)

0.1 mV

정확도 (mV)

±0.2 mV

측정범위 (Conductivity)

0.000 to 9.999 ㎲/cm; 10.00 to 99.99 ㎲/cm; 100.0 to 999.9 ㎲/cm; 1.000 to 9.999 mS/cm; 10.00 to 99.99 mS/cm; 100.0 to 999.9 mS/cm; 1000 mS/cm

최소측정단위 (Conductivity)

0.001 ㎲/cm; 0.01 ㎲/cm; 0.1 ㎲/cm; 0.001 mS/cm; 0.01 mS/cm; 0.1 mS/cm; 1 mS/cm

정확도 (Conductivity)

±1% of reading (±0.01 ㎲/cm)

측정범위 (Resistivity)

1.00 to 99.99 Ohm/m; 100.0 to 999.9 Ohm/m; 1.000 to 9.999 kOhm/m; 10.00 to 99.99 kOhm/m; 100.0 to 999.9 kOhm/m; 1.00 to 9.99 MOhm/m; 10.0 to 100.0 MOhm/m

최소측정단위 (Resistivity)

0.01 Ohm/m; 0.1 Ohm/m; 0.001 kOhm/m; 0.01 kOhm/m; 0.1 kOhm/m; 0.01 MOhm/m; 0.1 MOhm/m

정확도 (Resistivity)

±1% of reading (±1 Ohm/m)

측정범위 (TDS)

0.000 to 9.999 ppm; 10.00 to 99.99 ppm; 100.0 to 999.9 ppm; 1.000 to 9.999 ppt; 10.00 to 99.99 ppt; 100.0 to 400.0 ppt

최소측정단위 (TDS)

0.001 ppm; 0.01 ppm; 0.1 ppm; 0.001 ppt; 0.01 ppt; 0.1 ppt

정확도 (TDS)

±1% of reading (±0.01 ppm)

Factor (TDS)

0.40 to 1.00

측정범위 (Salinity)

Practical salinity: 0.00 to 42.00; Natural seawater: 0.00 to 80.00 ppt; Percent: 0.0 to 400.0%

최소측정단위 (Salinity)

0.01 for practical salinity/natural sea water; 0.1% for percent scale

정확도 (Salinity)

±1% of reading

측정범위 (Temp)

-20.0 to 120℃; -4.0 to 248.0℉; 253.15 to 393.15K

최소측정단위 (Temp)

0.1℃; 0.1℉; 0.1K

정확도 (Temp)

±0.2℃; ±0.4℉; ±0.2K

보정 (pH)

Automatic up to 5 points with 8 memorized values (pH 1.68, 3.00, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45) + 5 custom buffers

보정 (Conductivity)

Auto standard recognition, custom calibration solution/4 point calibration

보정 (Salinity)

Percent scale? point (with HI 7037 buffer)

보정 (Temp)

3 points

입력채널(s)

1 pH/mV + 1 EC

보정체크

pH 전극과 버퍼조건

Temp 보정 (pH)

자동 또는 수동 -20.0 to 120.0℃

Temp 보정 (EC)

Linear and non-linear (natural water)

Log-on-demand/Automatic Data Logging

10 Lots, 5000 samples per lot/10 Lots, 5000 samples per lot

상대 mV 오프셋 측정범위

±2000 mV

자동 종료점

Yes

PC 연결

Opto-isolated USB and RS232

액정

액정상에서 도움말, 그래프, 언어선택, 환경설정 가능한240 x 320 도트메트릭스 칼라액정

전원

12 VDC adapter (included)

규격/무게

159 x 230 x 93 mm /800 g