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pH/ORP/ISE/EC/TDS/염도 HI2550

* 7가지 항목을 측정할 수 있는 2 채널 기기
* pH, ORP, ISE, conductivity (EC), TDS, NaCl %, 온도 측정가능
* 온도 프로브와 pH 측정은 자동으로 온도보상
* ORP 전극을 사용하여 측정 가능
* EC 측정의 경우 선택된 보정 온도에 연관하여 보상될 수 있음
* 입력 채널 2개 : pH / ORP / ISE 와 EC / TDS / Resistivity / NaCl
* 7가지 표준과 2가지 맞춤 버퍼로 5 포인트까지 pH 보정
* EC / TDS 자동 범위 설정, 수동 범위 설정과 범위 고정 기능
* HOLD 버튼
* 자동 온도 보상
* USB 를 통한 PC 연결기능

 ▶ 제품 사양


 측정범위 pH

-2.0 to 16.0 pH; -2.00 to 16.00 pH

 측정범위 ISE & ORP

±999.9 mV(ISE & ORP); ±2000 mV (ISE & ORP)

 측정범위 EC

0.00 to 29.99 µS/cm; 30.0 to 299.9 µS/cm; 300 to 2999 µS/cm; 3.00 to 29.99 S/cm; 30.0 to   200.0 µS/cm; up to 500.0 µS/cm actual Conductivity

 측정범위 TDS

0.00 to 14.99 ppm; 15.0 to 149.9 ppm; 150 to 1499 ppm; 1.50 to 14.99 g/L; 15.0 to 100.0 g/L;  up to 400.0 g/L actual TDS (with 0.80 factor)

 측정범위 NaCl 

0.0 to 400.0% NaCl

 측정범위 Temp

-20.0 to 120.0 °C (pH, EC range)

 최소측정단위 pH

0.1 pH; 0.01 pH; 0.001 pH 

 최소측정단위 ISE&ORP

0.1 mV (±999.9 mV); 1 mV (± 2000 mV)

 최소측정단위 TDS

0.01 ppm; 0.1 ppm; 1 ppm; 0.01 g/L; 0.1 g/L

 최소측정단위 NaCl

0.1% NaCl

 최소측정단위 Temp

0.1°C

정확도 (@20°C) pH

±0.01 pH; ±0.002 pH

정확도(@20°C) ISE & ORP

±0.2 mV (±999.9 mV); ±1 mV (±2000 mV)

정확도 (@20°C) TDS

±1% of reading (±0.03 ppm or 1 digit, whichever greater)

정확도 (@20°C) NaCl

±1% of reading

정확도 (@20°C) Temp

±0.4°C (excluding probe error)

 보정 pH

up to five point calibration, seven standard buffers available

(1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and two custom buffers

 보정 EC

two point calibration; one point slope calibration; six buffers available:

84.0, 1413 μS/cm; 5.00, 12.88, 80.0, 111.8 mS/cm;

one point offset: 0.00 μS/cm

 보정 NaCl

one point with HI 7037L standard (optional)

 Probes pH 

HI 1131B glass body pH electrode with BNC connector and 1 m (3.3') cable (included)

 Probes EC 

HI 76310 platinum four ring conductivity/TDS probe with built-in temperature sensor and 1 m (3.3')  cable (included)

 Probes Temp. 

 HI 7662 temperature probe with 1 m (3.3') cable (included)

 Relative mV Offset

 ±2000 mV

 온도 보상 

 manual or automatic from: -20.0 to 120.0 ºC (pH range) -20.0 to 120.0 ºC (EC range) (can be disabled on conductivity range to measure actual conductivity)

 전도도,온도 계수 

 0.00 to 6.00 %/ºC (for EC and TDS only) default value is 1.90 %/ºC

 TDS Factor 

 0.40 to 0.80 (default value is 0.50)

 Input Impedance 

 1012 ohms

 입력 임피던스

 1012 Ohm

 PC Connectivity 

 opto-isolated USB

 Log on Demand

 200 records

 Log Interval Feature

 500 records; 5, 10, 30 sec and 1, 2, 5, 10, 15, 30, 60, 120, 180 min stability

 logging (“StAb”)

 Power Supply

 12 VDC

 Environment

 0 to 50°C (32 to 122°F); RH max 95% non-condensing

 Dimensions

 235 x 218 x 108 mm (9.2 x 8.5 x 4.2”)

 Weight

 1.3 Kg (2.9 lb); kit with holder 2.1 Kg (4.6 lb.)