pH measurement in the field is easy. Please use it for pH management in wastewater treatment and other applications. With the optional sensor, ORP can also be measured.
pH measurement in the field is easy. Please use it for pH management in wastewater treatment and other applications. With an optional sensor, ORP can also be measured.
Inquire About This Product
basic information
■Type: JIS Level 1 ■Measurement Law Type Approval Number: No. SS994 ■Measurement Method: Glass Electrode Method ■Display: Digital pH or mV, temperature, time (month, day, hour, minute) displayed simultaneously ■Temperature Compensation Range: ATC (Automatic Temperature Compensation): 0 to 99.9°C, MTC (Manual Temperature Compensation): 0 to 99.9°C ■Measurement Range: - pH Range: pH 0 to 14, Resolution: 0.01 pH - mV Range: 0 to ±1,999 mV, Resolution: 1 mV - Temperature Range: 0 to 99.9°C, Resolution: 0.1°C ■Repeatability: - pH: ±0.02 pH - mV: ±2 mV - Temperature: ±0.2°C ■Waterproof Structure: JIS C0920 Protection Class 7 (Splash-proof) ■Operating Temperature Range: 0 to 40°C ■Power Supply: 2 AA alkaline batteries ■Battery Life: Approximately 2,000 hours (when using alkaline batteries) ■Body Dimensions: Approximately 187.5 (length) × 37.5 (height) × 75 (width) mm ■Weight: Approximately 310 g *Optionally, rental with ORP sensor and printer is also available.
Price range
Delivery Time
Applications/Examples of results
【Data Memory】 300 data points (measurement time, pH, temperature) 【Interval Time Function】 Data memory for set intervals (5 seconds to 99 minutes 59 seconds) 【Calibration History】 Latest calibration data (up to 3 calibration data points including the latest when using built-in electrode) 【Key Lock Function】 Settable ON/OFF 【Auto Power Off】 Settable ON/OFF (when set: power off after 30 minutes of no key operation) 【pH Standard Solution Selection】 Can select JIS standard or US standard solutions 【Temperature Calibration Function】 One-point calibration 【Auto Hold Function】 Available 【Printing Function】 When connected to an external printer - Printing of measurement values (manual printing / printing via auto hold function / printing via interval time function / printing of memory data) - Printing of calibration data / history (slope, electromotive force, etc.) 【RS-232C Interface】 Standard equipment (bidirectional) 【Analog Output】 Standard equipment
catalog（1）
Download All Catalogs![Portable pH Meter 'HM-21P' [Catalog]](https://image.www.ipros.com/public/catalog/image/01/6c9/494681/IPROS44841377098469356739.jpeg?w=120&h=170)
Company information
We, Soki, have been challenging new ways to "measure" with our "technological capabilities" and "on-site capabilities" since our establishment as "Soki Shokai" in April 1986, based on our desire to "create a new century with measurement technology." As a specialized store in the surveying and measurement field of the Kanamoto Alliance Group, we will continue to focus on "rental of surveying and measuring equipment," "development of automatic measurement systems," and "development of original products." We are committed to working together as a united team to meet the expectations of all our stakeholders. We sincerely appreciate the continued support and patronage of our customers and partners.
![Portable pH Meter 'HM-40P' [Rental]](https://image.www.ipros.com/public/product/image/e65/2000496325/IPROS77202253812431749515.jpeg?w=280&h=280)
![Portable pH meter 'HM-31P' [Rental]](https://image.www.ipros.com/public/product/image/807/2000454094/IPROS45183659868083096567.jpeg?w=280&h=280)
![Portable pH meter 'HM-30P' [Rental]](https://image.www.ipros.com/public/product/image/4b2/2000454609/IPROS23462399182317446616.jpeg?w=280&h=280)
