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Nanjing Mingao Instrument Equipment Co., Ltd
PRN-41 Japanese Fujiwara Soil PH/EH Measuring Instrument
NegotiableUpdate on 05/06
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Overview
The PRN-41 Japanese Fujiwara Soil PH/EH Measuring Instrument can directly measure soil ORP and pH in situ in the field, with high measurement accuracy and easy maintenance, making it an ideal tool for field soil investigation and research. ORP measurement is used to indicate the percentage of oxidation or reduction in the water environment.
Product Details
PRN-41 Japanese Fujiwara Soil PH/EH Measuring Instrument parameter
Product Name: Nitric Acid Electrode for Water Quality
Type: nitrate ion electrode
Comparison electrode 4401L type
Determinants: nitrate ion method
Quantitative range: 0 1～999mg/L
Standard solution calibration: 2-point calibration
Standard concentration: 10 mg / L, 100 mg / L NO 3-N standard solution
Low concentration: 1 mg / L, 10 mg / L NO 3-N standard solution
Temperature compensation
Operating temperature: 0-40 ℃
Combination body: prn-41 type
PRN-41 Japanese Fujiwara Soil PH/EH Measuring Instrument Performance characteristics:
● Multi functional, one can measure soil pH, nitric acid Eh
● * Can store up to 100 numerical values
● Can output data through RS232
Main technical indicators
| Device Name | Soil pH meter/Soil water quality nitrate analyzer/Soil Eh meter | |||||
| Soil pH meter | Soil nitrate analyzer | Nitrate analyzer for water quality | Eh meter for soil | |||
| Available electrodes | Soil immersion pH electrode | Soil nitrate electrode | Nitrate electrode for water quality | Eh electrode for soil | ||
| Determination method | Glass electrode method |
Soil: urushi membrane Nitrate electrode method |
Water quality: PVC film nitrate Electrode method |
Platinum electrode comparative electrode method |
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| express |
pH、 Temperature and time/ Simultaneously indicate month, day, and hour |
Nitrate concentration, temperature, time Simultaneously indicate time/month, day, and hour |
Nitrate concentration, time (month) Simultaneously representing day and hour |
Eh、 Time/Month/Day/Hour Simultaneously express |
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| Temperature compensation range | Automatic 0-50 ℃ | nothing | nothing | nothing | ||
| Measurement range | pH | scope | 0~14 | - | - | - |
| resolution | 0.01 | - | - | - | ||
| Indicate scope | 0.01～14.00 | - | - | - | ||
| mV | scope | - | - | - | - | |
| resolution | 1mV | 1mV | 1mV | 1mV | ||
| Indicate scope | -1999～1999mV | -1999～1999mV | -1999～1999mV | -1999～1999mV | ||
| Eh(mV) | scope | - | - | - | -793～999 | |
| resolution | - | - | - | 1mV | ||
| Indicate scope | - | - | - | -1999～1999mV | ||
| No3-N | scope | - | 50～5000mg/L | 0.1～999mg/L | - | |
| resolution | - | 1mg/L | 0.1mg/L | - | ||
| Indicate scope | - | 0～9999mg/L | 0～9999mg/L | - | ||
| temperature | scope | 0～50℃ | 0～50℃ | - | - | |
| resolution | 0.1℃ | 0.1℃ | - | - | ||
| Indicate scope | 0.0～99.9℃ | 0.0～99.9℃ | - | - | ||
| calibration method |
Two point calibration, calibration standard 液 （pH6.86、pH4.01） |
Two-point calibration, calibration mark Quasi liquid (100/1000mg/L) |
Two-point calibration, calibration mark Quasi liquid (100/1000mg) /L or 1/10mg/) |
nothing | ||
| Indicator | LCD display | |||||
| Waterproof structure | JIS C 0920 protection level 7 (immersion proof type) |
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