pH1200 - Scientific measuring instrument YSI - Free user manual and instructions
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| Product Type | Benchtop pH/mV Meter |
| Brand | YSI |
| Model | pH1200 |
| Display | Large backlit LCD |
| Measurement Range (pH) | 0.00 to 14.00 pH |
| Resolution (pH) | 0.01 pH |
| Accuracy (pH) | ±0.01 pH |
| mV Range | -1999 to +1999 mV |
| Temperature Compensation | Automatic (ATC) with temperature probe |
| Calibration | Up to 3-point automatic buffer recognition |
| Data Logging | Internal memory for 200 data points |
| Power Supply | 100-240 VAC, 50/60 Hz via included adapter |
| Dimensions (W x D x H) | 200 x 150 x 50 mm |
| Weight | 0.5 kg |
| Electrode Connection | BNC connector for pH electrode; RCA for temperature |
| Maintenance | Regular electrode cleaning and calibration; replace electrode as needed |
| Safety Features | Auto-off after 30 minutes idle; overvoltage protection |
| Spare Parts | pH electrode, temperature probe, calibration solutions |
| Repairability | Replaceable electrode and fuse; serviceable by authorized technician |
| Included Accessories | pH electrode, temperature probe, buffer solutions (pH 4, 7, 10), power adapter |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - pH1200 YSI
How do I calibrate the YSI pH1200 meter?
Rinse the electrode with distilled water, immerse in pH 7.0 buffer, press CAL, then repeat with pH 4.0 and 10.0 buffers for a 3-point calibration. The meter automatically recognizes buffers.
What type of electrode does the pH1200 use?
It uses a standard BNC-connected pH electrode with a built-in temperature sensor (ATC). A separate temperature probe can also be connected via RCA.
How often should I calibrate the meter?
For best accuracy, calibrate daily before use or whenever the electrode is changed. If the readings drift, recalibrate immediately.
Can I use the pH1200 for mV measurements?
Yes, the meter measures mV in the range of -1999 to +1999 mV with 0.1 mV resolution. Switch to mV mode using the MODE button.
What is the battery life and how do I replace it?
The pH1200 is powered by an AC adapter; there is no internal battery. The adapter is included and operates on 100-240 VAC.
How do I care for the pH electrode?
Always keep the electrode moist by storing it in storage solution (KCl). Rinse with distilled water between measurements. Do not wipe the glass bulb.
What is the accuracy of the pH1200?
The pH accuracy is ±0.01 pH after calibration. The mV accuracy is ±0.1 mV. This meets laboratory-grade standards.
Can I connect the meter to a computer?
The standard pH1200 model does not have a computer interface. Data can be logged internally (200 points) and read manually.
What should I do if the meter displays an error?
Check the electrode connection, replace the electrode if damaged, recalibrate, or contact YSI support. Common errors include 'Err' for electrode fault.
How do I clean the meter?
Wipe the exterior with a damp cloth. For the electrode, follow the cleaning instructions in the manual using mild detergent if needed. Do not immerse the meter.
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USER MANUAL pH1200 YSI
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Product information
Brand : YSI
Model : pH1200
Category : Scientific measuring instrument