Severity: 8192
Message: Return type of CI_Session_files_driver::open($save_path, $name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 132
Backtrace:
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct
File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 294
Backtrace:
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct
File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::read($session_id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 168
Backtrace:
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct
File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::write($session_id, $session_data) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 237
Backtrace:
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct
File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::destroy($session_id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice
Filename: drivers/Session_files_driver.php
Line Number: 317
Backtrace:
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 8
Function: __construct
File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once
Severity: 8192
Message: Return type of CI_Session_files_driver::gc($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
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
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
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
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
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
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
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
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
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
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
Ask An Expert
Severity: 8192
Message: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated
Filename: website/productdetail.php
Line Number: 5
Backtrace:
File: /home/zytroni1/public_html/coolingquest.com/application/views/website/productdetail.php
Line: 5
Function: json_decode
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 251
Function: view
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 87
Function: productdetail
File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once
Severity: 8192
Message: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated
Filename: website/productdetail.php
Line Number: 6
Backtrace:
File: /home/zytroni1/public_html/coolingquest.com/application/views/website/productdetail.php
Line: 6
Function: json_decode
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 251
Function: view
File: /home/zytroni1/public_html/coolingquest.com/application/controllers/Website.php
Line: 87
Function: productdetail
File: /home/zytroni1/public_html/coolingquest.com/index.php
Line: 318
Function: require_once
Double Beam UV VIS Spectrophotometer TRDUV-601is a new optical platform with excellent metering accuracy and stability. With a wavelength range of 190 to 1100nm and a spectrum bandwidth of 2 nm, it is equipped with advanced hardware and software design. It has an 8-inch color touch screen and a user-friendly interface. It is simple to use. It has a photometric range of 0.0 to 200.0 percent T, -0.301 to 4.000A, 0.000 to 9999C, and a photometric accuracy of 0.3 percent T, 0.002Abs (0 to 0.5A), and 0.004Abs (0 to 0.5A) (0.5 to 1A).
| Spectrum Bandwidth | 2 nm |
| Wavelength Range | 190 to 1100 nm |
| Monochromatic Type | Czerny-Turner |
| Grating | 1600 lines/mm |
| Detector | Silicon Photocell |
| Wavelength Accuracy | ± 0.3 nm |
| Wavelength Repeatability | ≤ 0.1 nm |
| Wavelength Scanning Speed | Fast, medium, and slow |
| Light Source Switching Wavelength | 340 nm |
| Stray Light | ≤ 0.02% (measured by NaI at 220 nm) (measured at NaNO2 at 360 nm) |
| Photometric Range | 0.0 to 200.0% T -0.301 to 4.000 A 0.000 to 9999 C |
| Photometric Accuracy | ± 0.3% T ± 0.002Abs (0 to 0.5A) ± 0.004Abs (0.5 to 1A) |
| Photometric Repeatability | ≤ 0.15% T 0.001Abs (0 to 0.5A) 0.002Abs (0.5 to 1A) |
| Baseline Flatness | ≤ ± 0.0008A(200 to 1090 nm) |
| Noise | 100%(T) noise ≤ 0.1% (T), 0% (T) noise ≤ 0.02% (T) |
| Baseline Drift | ± 0.0004 Abs / h |
| Power | AC220v± 22v, 50Hz± 1Hz, 200W |
| Light Source | Hamamatsu D2 lamp, Osram halogen tungsten lamp. |
| Com Port | USB |
| Packing Size | 740 mm×630 mm×450 mm |
| Weight | 35 Kg, 0.21 m³ |