A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 132

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 294

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 168

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 237

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 317

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: 8192

Message: Return type of CI_Session_files_driver::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice

Filename: drivers/Session_files_driver.php

Line Number: 358

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 282

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 294

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 304

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 314

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 315

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 316

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 317

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: ini_set(): Session ini settings cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 375

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent

Filename: Session/Session.php

Line Number: 110

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Session cannot be started after headers have already been sent

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct

File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once

Spectrophotometer | Atomic Absorption Spectrophotometers

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Wavelength range 

Wavelength Range

Spectral bandwidth

Wavelength Accuracy

Accuracy of the wavelength

Atomic Absorption Spectrophotometer TRAS-601

  • Wavelength Range : 190 to 900 nm
  • Wavelength Accuracy : £ ±0.5 nm
  • Wavelength Repeatability : £ 0.3 nm (single direction)
  • Spectrum Bandwidth : 0.2 nm, 0.4 nm, 0.7nm, 1.4 nm, 2.4 nm, 5.0 nm
Catalog

Atomic Absorption Spectrophotometer TRAS-701

  • Wavelength range  : 190 to 900 nm
  • Spectral bandwidth : 0.1, 0.2, 0.4, 1.0 and 2.0 nm
  • Accuracy of the wavelength : ±0.15 nm
  • Receptivity of the wavelength  : ≤0.04 nm
Catalog