Picked up a used Twister T6 for $400 and replaced the gear box for $100 and now its like new again.
Hanna Instruments Product Documents
GroLine pH 4.01 Calibration Buffer is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers has been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
GroLine pH 4.01 Calibration Buffer is a high quality pH 4.01 calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +/- 0.02 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).
The GroLine pH 4.01 Calibration Buffer is supplied with Certificate of Analysis
- Product code
- Lot number
- Mean lot value
- SRMs that were used
- Manufacturing date
- Expiration date
Color coded label for easy pH buffer value identification
- Easy to identify different buffer values
- Solution does not contain any dyes that may stain the reference cell of a pH electrode
- Accuracy of +/- 0.02 pH @ 25°C
- Temperature chart of the actual pH value at various temperatures printed on each bottle
| Brand | Hanna Instruments |
|---|---|
| SKU | HI7004-023 |
| Weight (lb.) | 0.5500 |
| Height (in.) | |
| Prop 65 | false |
| Lead Time | 2-3 |
| Length (in.) | |
| Width (in.) | |
| Hazardous Material | false |
| ETL Listed | No |
| UL Listed | No |
What is Hanna Instruments GroLine pH 4.01 Calibration Buffer used for?
Hanna Instruments GroLine pH 4.01 Calibration Buffer is used to calibrate pH electrodes and meters at pH 4.01.
How accurate is Hanna Instruments GroLine pH 4.01 Calibration Buffer?
Hanna Instruments GroLine pH 4.01 Calibration Buffer has accuracy of plus or minus 0.02 pH at 25°C.
Is Hanna Instruments GroLine pH 4.01 Calibration Buffer traceable for calibration work?
Hanna Instruments GroLine pH 4.01 Calibration Buffer is NIST traceable and supplied with a Certificate of Analysis.
How can growers verify the quality and freshness of Hanna Instruments GroLine pH 4.01 Calibration Buffer?
Hanna Instruments GroLine pH 4.01 Calibration Buffer has a lot number and expiration date marked on the label, plus an airtight bottle and tamper-proof seal. An unopened bottle has a five-year expiration period from the manufacturing date.
What documentation accompanies Hanna Instruments GroLine pH 4.01 Calibration Buffer?
Hanna Instruments GroLine pH 4.01 Calibration Buffer includes a Certificate of Analysis listing the product code, lot number, mean lot value, reference materials, manufacturing date, and expiration date.