Unico 1200 User Manual (English)

Other manuals for Unico 1200

Installation And Troubleshooting Guide164 pages

Questions and Answers:

K
Kylie HillAug 7, 2025
What to do if my Unico Measuring Instruments device is inoperative?
- J
  Jennifer PayneAug 7, 2025
  If the power indicator on your Unico Measuring Instruments device isn't lit, try these steps: * Ensure the power cord is properly connected to the outlet. If it is, try plugging the instrument into a different power outlet to rule out a dead outlet. * Also, verify that the voltage setting is correct. If the problem persists, it could be due to an internal fuse or a defective electronic component.
M
Michael DeckerAug 11, 2025
Why does my Unico Measuring Instruments show incorrect readings?
- C
  catherine11Aug 12, 2025
  Incorrect readings on your Unico Measuring Instruments can stem from several factors: * Ensure you're using sufficient sample volume in the cuvette. * Verify the analytical procedure and wavelength settings are correct. * Confirm that you've properly performed the blanking (0A/100%T) and 0%T settings. * Also, make sure there are no stray vapors from the sample preparation affecting the readings and that your sample is free of bubbles or particles.
A
Austin ParkerAug 17, 2025
Why is there drift and noise in my Unico Measuring Instruments?
- W
  Whitney EllisonAug 17, 2025
  Drift and noise in your Unico Measuring Instruments can be attributed to: * Insufficient warm-up time. * Significant temperature changes. * Improper lamp adjustment. In such cases, ensure the lamp has been properly installed or has moved during transit and replace the lamp if it is old or defective.
P
Peter GarciaAug 22, 2025
What to do if my Unico Measuring Instruments can not set 100%T (0.000A)?
- J
  Jennifer WallsAug 22, 2025
  If your Unico Measuring Instruments device is unable to set 100%T (0.000A), consider the following: * Ensure the cuvette adapter is properly placed in the sample compartment to open the sample holder shutter. * Check the sample holder for any misalignment or obstructions blocking the light beam. * If the lamp is old or defective, replace it. * Refer to the lamp replacement instructions to verify the lamp alignment.
A
Ashley WoodsAug 27, 2025
What to do if %T can not be set to 00.0%T on Unico Measuring Instruments?
- W
  William RosarioAug 27, 2025
  If the %T cannot be set to 00.0%T on your Unico Measuring Instruments, check the following: * Make sure to remove the cuvette adapter or test tube from the sample holder. * The sample holder shutter may be stuck open.
K
Karen AguilarSep 1, 2025
Why is there an incorrect transmittance to absorbance correlation in Unico Measuring Instruments?
- S
  Shawn AllenSep 1, 2025
  An incorrect transmittance to absorbance correlation in your Unico Measuring Instruments may be caused by bubbles or particles in the solution. Check the sample preparation and analytical procedure.

Unico 1200 Specifications

General

Wavelength Range	190-1100 nm
Wavelength Accuracy	±0.5 nm
Detector	Silicon Photodiode
Display	LCD
Resolution	0.1 nm
Type	UV/Vis Spectrophotometer
Photometric Range	0-200%T
Light Source	Deuterium lamp & Tungsten Halogen lamp
Measurement Range	0-200% T, -4.0 to 4.0 Abs
Power Supply	100-240 V, 50/60 Hz
Photometric Accuracy	±0.002 Abs (0-0.5 Abs), ±0.004 Abs (0.5-1.0 Abs), ±0.3% T
Accuracy	±0.002 Abs (0-0.5 Abs), ±0.004 Abs (0.5-1.0 Abs), ±0.3% T