The DPI 821/822 Series is a complete range of advanced, robust and simple to use hand-held instruments. Highly cost effective, these tools are ideal for test/calibration of many popular process parameters. Advanced features and technical innovations address more applications in less time and deliver results you can rely on.
The DPI 821 Thermocouple Calibrator measures or simulates sensors and is the ideal tool for checking probes, indicators and controllers.
Features
- High performance, low cost
- Measure and source thermocouples
- Advanced cold junction compensation
- Temperature test and maintenance
- Transmitter calibration
- Loop set-up and diagnostics
- Switch verification
Applications
- Temperature test and maintenance
- Transmitter calibration
- Loop set-up and diagnostics
- Switch verification
The DPI 800 Series is a complete range of advanced, robust and simple to use hand-held instruments. Highly cost effective, these tools are ideal for test/calibration of many popular process parameters. Advanced features and technical innovations address more applications in less time and deliver results you can rely on.
Specifications
Temperature Test and Measurement
| DPI 821 Thermocouple Calibrator | Measures or simulates thermocouple sensors and is the ideal tool for checking probes, indicators and controllers |
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| Unique Cold Junction Compensation | Virtually eliminates ambient temperature errors. (Patent pending) |
| Advanced Features | Step, ramp, scaling, maximum/minimum/average, and hold facilitate system checks and troubleshooting |
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Temperature Instrumentation and Loop Maintenance
| DPI 822 Thermocouple Loop Calibrator | Provides simultaneous T/C output and mA measurement for transmitter and loop maintenance |
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| 24 V Loop Power Supply | Energizes transmitters and control loops |
| Automatic Switch Test | Captures open/closed trip values providing a fast and highly accurate “safety system” check |
| HART Resistor | Can be switched into the loop when required by a HART digital communicator and avoids the inconvenience of carrying a 250 O resistor |
IDOS Flexibility
| Intelligent Digital Output Sensor (IDOS) | Universal Pressure Modules are available from 10 in H2O to 10,000 psi (25 mbar to 700 bar). |
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| Total Flexibility | IDOS modules can be used with any compatible instrument; for example, a DPI 822 RTD loop calibrator can become a fully featured pressure calibrator. |
| Plug and Play | Modules are interchangeable between instruments, requiring no set-up or instrument calibration. Please refer to IDOS UPM data sheet. |
| Cold Junction Error | 0.4°F (0.2°C) maximum error for 86°F (30°C) change in ambient temperature. |
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| Thermocouple connectors | Mini-jack sockets |
DPI 800 Series Common Specification
| Operating Temperature | 14°F to 122°F (-10°C to 50°C) |
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| Storage Temperature | -4°F to 158°F (-20°C to 70°C) |
| Humidity | 0% to 90% non-condensing, Def Stan 66-31, 8.6 Cat III |
| Shock and Vibration | BS EN61010:2001, Def Stan 66-31, 8.4 Cat III |
| EMC | BS EN61326-1:1998 + A2:2001 |
| Safety | Electrical BS EN61010:2001. Pressure Equipment Directive (PED), Class SEP. CE marked |
| Display | Graphic LCD with backlight. Resolution 99999 |
| Size (l x w x h) and Weight | 7.1 in x 3.3 in x 2 in (180 mm x 85 mm x 50 mm), 18 oz (500 g) |
| Batteries | 3 AA alkaline, >50 hours measure, >10 hours 24V source |
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