Visible Spectrophotometer is a basic entry level spectrophotometer. It’s easy operation, economical price and clean no-fuss functions has made it popular among lab users.
SALIENT FEATURES:
• Extremely easy to set up & simple to use
• Monochromator with a holographic flashing grating
• High wavelength precision, good monochromatic and low stray light
• Direct read out of Absorption(ABS), Transmittance(%T), Concentration(C) & concentration setting function
STANDARD ACCESSORIES:
• Glass Cell 10mm
• Power Cord
• Instruction Manual
| Model | DR-V-721 |
|---|---|
| Make | DR Labs |
| Optical System | CT Single Beam, Grating 1200 lines/mm |
| Wavelength Range | 320~1020 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Interval | 1 nm |
| Wavelength Accuracy | ± 2 nm |
| Wavelength Repeatability | 1 nm |
| Photometric Accuracy | ± 1% T |
| Photometric Repeatability | 0.5% T |
| Photometric Range | 0 – 1.999A, 0-199.9%T |
| Stray Light | ≤0.3%T@340nm |
| Stability | ±0.004A/h @500nm |
| Display | 4 Digit LCD |
| Photometric Mode | T, A, C |
| Detector | Silicon Photodiode |
| Light Source | Tungsten Lamp |
| Power Supply | AC 220V / 50Hz |
| Dimensions & Weight | 450 × 520 × 320 mm & 10 kgs |
| Shaker Speed | (20 – 250 RPM) (350,400 & 500 OPTIONAL) |
|---|---|
| Orbit Dia | ø 25 mm |
| Accuracy | ± 2% of maximum speed |
| Temperature range | 5˚C above RT to 60˚C & with cooling 5°C-60°C (Customize temperature options available) |
| Resolution | 0.1°C |
| Temp. accuracy | ± 0.3 ̊C |
| Power supply | 230V ± 10%, 50Hz |
| Construction | Economy Model | Double Walled Model | Triple Walled Model |
|---|---|---|---|
| MOC Exterior | Painted MS sheet | SS 304 (mirror finish) | SS 304 (mirror finish) |
| No. of walls | Two | Two | Three |
| Lid | Polished MS | SS 304 | SS 304 |
| Interior | SS 304 with silicon gasket | ||
| Working Pressure | 15-30 psi | ||
| Working Temp. | 121°C to 134°C | ||
| Controller | Auto set to 15psi & 121°C | ||
| Pressure display | Analogue dial gauge | ||
| Timer | Mechanical timer | ||
| Programmable | Programmable automatic start timer | ||
| Hydraulic tested | Hydraulically Tested up to 40 psi (ASME Guideline) | ||
| Lick lock | Single hand easy lock system for operating and closing | ||
| Program for heating sterilization, exhaust, warming and completion. | |||
| Basket | Stainless steel basket | Stainless steel basket | Not Required |
| Power supply | 220 Volts 50Hz | ||
| Standard Fittings | Low water indicator; Automatic pressure switch; Pedal lifting device Steam release valve; Water outlet valve; Spring loaded safety valve Power cable with three pin tops | ||
| Optional Accessories |
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| Temperature range | 5°C to 60°C |
| Temperature controller | Digital PID controller |
| Temperature accuracy | ±1% |
| Temperature sensor | PT-100 |
| Humidity range | 50% to 90% RH |
| Humidity controller | Digital PID controller |
| Humidity accuracy | ±3% |
| Light | 150-170 micromole/m2/sec |
| Light timer | 24×7 weekly digital timer |
| Construction | Double walled |
| Exterior | Mild steel powder coated |
| Interior | Stainless steel 304 |
| Outer door | Single or double solid doors with lock & key |
| Inner door | Glass door to view samples |
| Shelves | 3 to 12 (Height adjustable) |
| Safety | Audio / visual alarm for temperature deviation |
| Optional | Exterior made of stainless steel 304 / 316 PLC with HMI interface Data logger with USB interface Password protection for controller Caster wheels |
| Power supply | 220 Volts / 50 Hz |
 SIZE:
| Model | Dimensions (mm) | Volume (Litres) | Volume (Cu. Ft.) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DR-SGC171 | 505 x 415 x 830 | 171 | 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DR-SGC209 | 600 x 550 x 910 | 300 | 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
STANDARD SIZE:
DR-SGC340 |
650 x 580 x 900 | 340 | 12 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DR-SGC400 | 700 x 640 x 900 | 400 | 14 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DR-SGC580 | 775 x 775 x 970 | 580 | 20 |
| Chamber design | Round and Rectangular |
|---|---|
| Vacuum range | Up to -760 mmHg |
| Temperature range | Ambient+5°C to 150°C (Optional 200ºC) |
| Temperature sensor | PT100 |
| Temperature controller | Digital PID controller Display of SV & PV |
| Inner chamber | Hermetically welded stainless steel 304 sheet |
| External cabinet | Powder coated GI sheet |
| Door | Solid door with clamp & toughened glass window |
| Gasket | High temperature silicon gasket |
| Shelves | Removable SS shelves |
| Vacuum fittings | Vacuum valve / exhaust valves (Rubber hose) |
| Standard fittings | Mains on/off switch Vacuum pump on/off switch Electric socket for vacuum pump |
| Power supply | 220 Volts 50Hz |
| Optional | KF25 flange vacuum connection 21 CFR compliance software Temperature up to 250°C All SS 304 construction (GMP) Digital vacuum control through solenoid valves PLC + HMI controller with USB interface Diaphragm valves for inert gas Timer 99 hours 59 min Oil-free vacuum pump |
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