Hanna HI 9813-6N - pH/EC/TDS/C Portable Meter with Cal Check

Hanna HI 9813-6N - pH/EC/TDS/C Portable Meter with Cal Check


  • Water resistant
  • On-screen tutorial messages for calibration
  • Exclusive CAL CHECK feature; Alerts users of calibration status
  • BEPS (Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings
  • Switch parameters at the touch of a button
  • Automatic Temperature Compensation for pH and conductivity
  • Simple calibration; Dials located on the front panel makes calibration quick and simple, even for non-technical users
  • Battery % displayed on startup
  • Fast response multiparameter probe

HI 9813-6 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries.

This meter features an large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument.

HI 9813-6 includes all the features of the HI 9813-5 while incorporating our exclusive CAL CHECK feature. CAL CHECK allows the user to easily check the pH probe calibration status at any time.

This instrument utilizes the HI 1285 series pH/EC/TDS/temperature probe. This probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions.


pH 0.0 to 14.0 pH
EC 0.00 to 4.00 mS/cm
TDS 0 to 1999 PPM (mg/L)

Ph 0.1 pH
EC 0.01 mS/cm
TDS 1 PPM (mg/L)
Temperature 0.5C

Accuracy @ 20C
pH 0.1 pH
EC 2% F.S. mS/cm
Temperature 0.5C

TDS Conversion Factor
0.56 to 0.78 PPM = 1 S/cm (according to TDS 442 curve)

pH Calibration
maual, one point (all parameters except temperature)

Temperature Compensation
automatic 0 to 50C (32 to 122F) with = 2%/C

HI 1285-6 polypropylene body, pre-amplified multiparameter probe with CAL CHECK compatibilty, internal temperature sensor, 8-pin DIN connector and 1 m (3.3') cable (included)

Battery Type/Life
9V / approximately 150 hours of continuous use

0 to 50C (32 to 122F); 100% RH

Dimensions / Weight
145 x 80 x 36 mm (5.7 x 3.1 x 1.4") / 230 g (8.1 oz.)

Item Number: 135283
Manufacturer: Hanna Instruments
Manufacturer's Part Number: HI 9813-6N


pdf file Instruction Guide
pdf file Instructions

This item is not available to order. Browse our items available to order.


HI 9813 Tutorial

Related Items

Home | Products | Learning Center | Returns & Refunds | Shipping | Privacy | Testimonials | Contact | Login | View Cart |

Copyright 1992-2020 Greentrees Hydroponics
2180 Chablis Court, Suite 108, Escondido, California 92029