Free Shipping
plastic recycling
  • hanna-hi991001-waterproof-portable-ph-temperature-meter
  • hanna-hi991001-waterproof-portable-ph-temperature-meter
  • hanna-hi991001-waterproof-portable-ph-temperature-meter
  • hanna-hi991001-waterproof-portable-ph-temperature-meter
  • hanna-hi991001-waterproof-portable-ph-temperature-meter
  • hanna-hi991001-waterproof-portable-ph-temperature-meter

Hanna | HI991001 | Waterproof Portable pH/Temperature Meter

Envmart Warranty

As per Hanna

100 % Original


100 % Secure


100 %


  • Specifications


Product Name

Waterproof Portable pH/Temperature Meter - HI991001

pH Range

-2.00 to 16.00 pH; -2.0 to 16.0 pH

pH Resolution

0.01 pH; 0.1 pH

pH Accuracy

0.02 pH; 0.1 pH

pH Calibration

Automatic, at one or two points with two sets of standard buffers (pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18)

pH Temperature Compensation

Automatic -5.0 to 105.0 C/23.0 to 221.0 F

pH CAL Check (electrode diagnostics)

probe condition indicator

pH Sensor Check


mV Range

825 mV (pH-mV)

mV Resolution

1 mV (pH-mV)

mV Accuracy

1 mV (pH-mV)

Temperature Range

-5.0 to 80.0C / 23.0 to 176.0F

Temperature Resolution

0.1C / 0.1F

Temperature Accuracy

0.5C (up to 60C); 1.0C (outside) / 1F (up to 140F); 2.0F (outside)

pH Electrode

HI12963 pre-amplified pH probe with internal temperature sensor, quick connect DIN connector and 1 m (3.3) cable (included)

Automatic Shut-Off

user selectable

Battery Type/Life

1.5V (3) AAA / approximately 1400 hours of continuous use

IP Protection



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


154 x 63 x 30 mm (6.1 x 2.5 x 1.2)


196 g (6.91 oz.)

Ordering Information

HI991001 is supplied with HI12963 pH probe with internal temperature sensor, HI70004 pH 4.01 buffer sachet (20 mL x1), HI70007 pH 7.01 buffer sachet (20 mL x1), HI700601 electrode cleaning solution sachet (2 x 20 mL), 100 mL beaker (1), calibration certificates for both meter and probe, batteries, instructions, and rugged thermoformed carrying case.

  • Titanium body that is resistant to harsh chemicals
  • Pre-amplified and matching pin for resistance to electrical noise
  • Extractable cloth junction to clear any clogging
  • Built-in temperature sensor for automatic temperature compensated readings
  • Designed to float if accidentally dropped in a tank
  • pH range is from -2.00 to 16.00 pH
  • One or two-point calibration is automatic to two selectable buffer sets (4.01, 7.01 and 10.01 or NIST 4.01, 6.86, and 9.18).
  • All readings are compensated for variations in temperature
  • Temperature displayed in °C or °F along with pH reading
  • Meter automatically shuts off after 8 minutes of non-use to maximize battery life
Product Description

The HI991001 is a compact, waterproof, portable pH/temperature meter that is supplied complete, including a rugged carrying case and a unique titanium body pH electrode that has a built-in temperature sensor. The meter features a large, dual level LCD display for easy viewing of the pH, temperature, and status indicators. The operation of the meter is simplified to two buttons. The HI991001 has an exceptionally long battery life of 1400 hours of continuous use.

Related Products
View All
  • hanna-hi98107-phep-waterproof-pocket-ph-tester-with-0-1-ph-resolution

    Hanna Phep Waterproof Pocket Ph Tester Hi98107

    Brand : Hanna
  • hanna-hi98129-combo-ph-conductivity-tds-tester-low-range

    Hanna HI98129 Combo pH/Conductivity/TDS Tester (Low Range)

    Brand : Hanna
  • professional-waterproof-portable-ph-orp-meter-hi98190

    Professional Waterproof Portable pH/ORP Meter - HI98190

    Brand : Hanna
  • hanna-hi98161-professional-foodcare-portable-ph-meter

    Hanna | HI98161 | Professional Foodcare Portable pH Meter

    Brand : Hanna
  • hanna-hi99141-boiler-and-cooling-tower-ph-portable-meter

    Hanna| HI99141 | Boiler and Cooling Tower pH Portable Meter

    Brand : Hanna
  • lps-and-hps


    Brand : Alfacool
  • tds-ph-meter-hydrotester

    Tds Ph Meter HydroTester

    Brand : 99 Instruments
  • ph-orp-controller-for-oem

    pH / ORP Controller For OEM

    Brand : Potence
  • ph-orp-controller-single-channel

    pH / ORP Controller Single Channel

    Brand : Potence
  • ph-sensor-for-solvents

    pH Sensor For Solvents

    Brand : Potence
  • ph-sensor-for-high-temperature

    pH Sensor For High Temperature

    Brand : Potence
  • ph-orp-sensor-differential-type

    pH / ORP Sensor Differential Type

    Brand : Potence
  • soil-ph-meter

    Soil pH Meter test kit

    Brand : RP Scientific
  • 4-in-1-handheld-soil-ph-meter

    4 In 1 Handheld Soil Ph Meter

    Brand : RP Scientific
  • 3-way-soil-ph-meter

    3 Way Soil Ph Meter

    Brand : RP Scientific
  • ph-meter

    PH Meter For Laboratory

    Brand : Sharma Scientific

Sustainable Categories

  • air-pollution1

    Air Pollution

  • wastewater1


  • waste-management1

    Waste Management

  • recycling1


  • cleaning-housekeeping1

    Cleaning & Housekeeping

  • renewable-energy1

    Renewable Energy

  • river-cleaning1

    River Cleaning

  • laboratory1


  • biomass1


  • noise-vibration1

    Noise & Vibration

  • other1


  • common-equipment1

    Common Equipment

  • environment-health-safety1

    Environment, Health & Safety

  • meteorology1


  • farm-equipment1

    Farm Equipment

  • chemicals1


Review this product

Share your thoughts with other customers.

top 10 e-waste marketplace

Login Via Email/Phone

ewaste marketplace services

OR Continue with

ewaste marketplace services with envmart Google
plastic recycling services in delhi

Enter OTP

plastic recycling services in gurgaon
Get New Otp
best plastic recycling services
plastic recycling services

Enquiry Now

In case you have a question about the products, get in touch with our team to know more and clarify your doubts right away.

plastic recycling

We use cookies to improve your website experience. By navigating our site, you agree to allow us to use cookies, in accordance with our Cookies Policies