ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ

Conductivity measurement
Temperature correction: None; Linear; NaCl Non-Linear Natural Water.
Technical Attributes
Accessories Included: USB charger, power cable, and clips
Automatic Buffer Recognition: Yes
Backlight: Yes
Barometric Pressure Measurement: Automatic compensation of DO when using an LDO or LBOD probe
Calibration:
Demal (1D/ 0.1D/ 0.01D); Molar (0.1M/ 0.01M/0.001M); NaCl (0.05%; 25µS/cm; 1000µS/cm; 18mS/cm); Standard sea water; User defined
Calibration Intervals/Alerts/Reminder: Off, selectable from 2 hours to 7 days
Conductivity Measurement Range: Yes
Custom Calibration Standards: Yes
Data Export: USB connection to PC or USB storage device (limited to the storage device capacity).
Data Memory: 100,000 data points
Data Storage: Automatic in Press to Read Mode and Interval Mode. Manual in Continuous Read Mode.
Dimensions (H x W x D): 63 mm x 97 mm x 220 mm
Display: Up to 3 parameters at a time, dependent on HQ model
Display Type: 640x480 Color TFT
DO Measurement Range: 0.1 - 20.0 mg/L (ppm), 1 - 200% saturation
DO Resolution: 0.1
Enclosure Rating: IP67 (with battery compartment installed)
GLP Features: Date; Time; Sample ID; Operator ID, Calibration
Inputs: 1
Instrument: Portable
ISE Direct Measurement Range: Yes
ISE Electrode Calibration: Yes
Kit: Meter only
Languages: English, Chinese - Simplified, Spanish, French, German, Italian, Japanese, Turkish, Dutch, Portuguese (PT & BR), Korean, Danish, Swedish, Polish, Norwegian, Hungarian, Greek, Finnish, Czech, Romanian, Croatian, Bulgarian, Slovak, Lithuanian, Estonian, Slovenian, Russian
Lock Function: Continuous / Auto-stabilization ("press to read") / At Interval
Measurement Method: Probe specific programmed method settings
Model: HQ4100 Multi/ISE/1 Channel
mV Measurement at Stable Reading: Yes
mV Measurement Range: Yes
mV Resolution: 0.1 mV
Operating Error Messages: Clear text error messages displayed
Operating Humidity: 90% (non-condensing)
Operating Interface: Soft Touch Keypad
Operating Temperature: 0 - 60 °C
ORP Electrode Calibration: Predefined ORP standards (including Zobell's solution)
Parameter: pH, Conductivity, TDS, Salinity, Dissolved Oxygen (DO), ORP, ISE
pH Buffer Sets:
Colour-coded: 4.01, 7.00, 10.01 pH;
IUPAC: 1.679, 4.005, 7.000, 10.012, 12.45
DIN: 1.09, 4.65, 9.23
User-defined custom buffer sets
pH Electrode calibration:
1 - 3 Calibration points
Calibration summary data logged and displayed
pH Measurement Range: 0 - 14 pH
pH Resolution: Selectable: 0.001/0.01/0.1 pH
Power Supply: Rechargeable lithium-ion battery 18650 (internal)
Class II, USB power adapter: 100 - 240 VAC, 50/60 Hz input; 5 VDC at 2 A USB power adapter output (external)
Probe Type: Intellical Standard Laboratory or Rugged Field
Probes included: None
Protection Class: IEC Class III (SELV (Separated/Safety Extra-Low Voltage) powered); external
Salinity Measurement Range: 0 - 42 (ppt) (‰)
Salinity Resolution: 0.01 (ppt) (‰)
Sensor A: None
Sensor B: None
Sensor C: None
Storage Conditions: -20 - 60 °C, max. 90% relative humidity (non-condensing)
TDS Measurement Range: 0.00 mg/L - 50.0 g/L NaCl
TDS Resolution: 0.01 mg/L - 0.1 g/L upon measuring range
Temperature Compensation: Automatic Temperature compensation for pH
Temperature Measurement: °C or °F
Temperature Resolution: 0.1 °C
Type of measurement: Field Measurements
Weight: 530 g (Meter only)
Included: HQ4100 Portable pH/ORP/EC/TDS/DO/ISE Multi-Meter, 1 channel, includes manuals, Li-Ion batteries, USB charger with cable for USA.