Description
- High accuracy. Calibrators in Mesa’s Defender Series are backed by Proven DryCal technology and have a reading uncertainty of less than 1%.
- Durability. All DryCal calibrators are field-proven and have provided IH professionals with reliable performance for decades.
- Real-time flow data. Calibrator flow data is captured in real-time with our DryCal Pro software, directly uploaded to a PC, and exported to a Microsoft environment.
- Convenient mail-in factory calibration. An annual NIST-traceable calibration by Mesa’s ISO-accredited facility provides a defensible audit trail and full refurbishment.
- Trusted accreditation. Mesa Labs is a fully accredited ISO-17025 facility with a 0.08% Scope of Accreditation for gas flow by NVLAP of NIST. “NVLAP Lab Code 200661-0″
- Approximate Time per Reading: 1-15 seconds
- Reading Styles (with averaging function userselectable from 1 to 100 measurement): Single (manual), Continuous or Burst
- Gas Compatibility: Non-corrosive, non-condensing, less than 70% humidity
- Flow Modes: Pressure or Suction
- Measurement Cell Style: Integrated
- AC Adapter/Charger: 12V DC, >250ma, 2.5 mm center positive
- Battery System: 6V rechargeable, sealed lead-acid, 6-8 hrs typical operation
- Battery Operational Time (5 cycles/min): 3 hrs backlight on, 8 hrs backlight off
- Pressure and Suction Fittings: 1/4” ID Swagelok® compression fittings, 3/8” fittings on High Model
- Warranty: 1 year; battery 6 months
- Storage Temperature: 0-70°C
- Ambient Humidity: 0-70%, non-condensing
- Operating Pressure (Absolute): Atmospheric, 15 PSI Max
- Display: Backlit graphical LCD
- Data Port (for PC interface): Serial (RS-232)
- Data Cable (for PC interface): 1 meter (Defender Data Port to PC included)
- Protective Case: Pelican case available
- Dimensions (H x W x D): 5.5” x 6” x 3” / 140 x 150 x 75 mm
- Weight: 29 oz / 820 g
| Model | Defender 510 | Defender 520 | Defender 530+ |
| Flow Ranges | Low: 5-500 ccm
Medium: 50-5,000 ccm High: 300-30,000 ccm |
Low: 5-500 ccm
Medium: 50-5,000 ccm High: 300-30,000 ccm |
Low: 5-500 ccm
Medium: 50-5,000 ccm High: 300-30,000 ccm |
| Volumetric Accuracy | 1% | 1% | 0.75% |
| Standardized Accuracy | N/A | N/A | 1% |
| User Selectable Volumetric Units | mL/min, L/min, cc/min, cf/min | mL/min, L/min, cc/min, cf/min | mL/min, L/min, cc/min, cf/min |
| User Selectable Standardized Units | N/A | N/A | smL/min, sL/min, scc/min, scf/ min |
| User Selectable Temperature Units | N/A | °C, °F | °C, °F |
| User Selectable Pressure Units | N/A | mmHg, PSI, kPa | mmHg, PSI, kPa |
| Pressure Accuracy | N/A | ± 3.5 mmHg (typical) ±7.0 mm (max) | ± 3.5 mmHg (typical) ±7.0 mm (max) |
| Temperature Accuracy | N/A | ± 0.8 °C (typical) ± 1.3 °C (max) | ± 0.8 °C (typical) ± 1.3 °C (max) |
| Industry Applications | Industrial Hygiene, Air Quality | Industrial Hygiene, Air Quality | Manufacturing, Air Quality, Personal Gas Sampling |
| Pressure and Suction Fittings | 1/4″ ID Hose Barb | 1/4″ ID Hose Barb | 1/4″ ID Swagelok ® compression fittings, 3/8″ fittings on High Model |
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