อุปกรณ์วัด pH (Portable instrument for measuring pH / mV / ° C output for recorder)

HI 8915
Portable instrument for measuring pH / mV / ° C output for recorder

HI 8915 is a portable instrument for the measurement of pH, with automatic temperature compensation and the possibility of connecting a recorder to an analog output. In fact, the two output connectors on the front panel can be connected directly to a plotter or a tape recorder to print the measured values.
A large LCD displays pH, ORP or temperature and the corresponding indicator unit measure. Pressing the ‘HOLD’ reading is fixed on the display, so that you can write it down. The 2-point calibration is performed manually by adjusting the trimmers on the front panel of the instrument.
As an accessory, is available HI 721311 Rugged carrying case for transporting the instrument in the field, complete with 2 sachets of calibration solutions at pH 4 and 7 and calibration screwdriver.

Specifications HI 8915
Parameter
PH scale 0.00 to 14.00 pH
MV ± 1999 mV
Scale temperature 0.0 to 100.0 ° C
PH resolution 0.01 pH
MV resolution 1 mV
Temperature resolution 0.1 ° C
Accuracy pH (at 20 ° C) ± 0.01 pH
Accuracy mV (at 20 ° C) ± 1 mV
Accuracy at 20 ° C temperature ± 0.5 ° C
PH calibration Manual 2-point with offset and slope trimmers, Calibration offset: ± 1 pH calibration slope: 85 to 105%
Temperature Compensation automatic, 0 to 70 ° C and fixed at 25 ° C (without temperature probe)
PH electrode HI 1230B, double junction, gel electrolyte, BNC connector, 1 m cable (included)
Temperature Probe HI 7669AW, 1 m cable (included)
Input Impedance 10 12 Ohm
Analog Output 100 mV / pH; 1 mV / mV, 10 mV / ° C
Supply 1 battery 9V / approximately 100 hours of continuous use
Terms of use from 0 to 50 ° C; RH max 95%
Dimensions and weight 185 x 82 x 53 mm / 280 g

Accessories HI 8915
HI 1230B Combined pH electrode with plastic body, double junction, gel-filled, BNC connector, 1 m cable
HI 3230B ORP combination electrode with plastic body, platinum sensor, gel-filled, BNC connector, 1 m cable
HI 7004L Solution pH 4.01, 500 mL
HI 7007L Solution pH 7.01, 500 mL
HI 7010L Solution pH 10.01, 500 mL
HI 70300L Electrode storage solution, 500 mL
HI 710001 Soft case for tools, dimensions 230 x 130 x 50 mm
HI 710009 Protective rubber boot blue portable colorimeters for HI 937xx & HI 957xx series
HI 710010 Orange rubber boot for HI 937xx series portable colorimeters and HI 957xx
HI 721311 Hard case for such instruments HI 8014, dimensions 340 x 230 x 90 mm
HI 76405 Electrode stand with steel base
HI 7669AW Temperature probe for pH meters with ATC
HI 77400P Solutions pH 4 and 7, 5 +5 20 mL sachet
HI 8427 Simulator for pH and ORP, complete with connecting cables
HI 931001 Simulator pH and ORP display, complete with coaxial cable HI 7858/1 with BNC connectors