Supported Applications
The Omega BB705 series is a very high temperature, laboratory-grade blackbody calibration source designed for testing and calibrating non-contact infrared temperature instruments. The unit functions as a reference standard for infrared pyrometers across the documented operating range.
Operating Conditions & Performance
The BB705 series maintains an accuracy of ±0.25% of reading; ±1°C with a cavity emissivity of 0.99. The blackbody cavity operates from 100 to 1046°C (212 to 1915°F). Internal sensing elements utilize platinum thermocouples, and the unit demonstrates stability of 0.4°C (0.7°F) per 8-hour period.
Ambient operating conditions are specified from 0 to 35°C (32 to 95°F). The warm-up time is documented as 80 minutes from 100°C to 1000°C. Each unit includes a NIST-traceable calibration certificate with 3 data points.
Configuration Options
The series features a built-in PID autotune controller with digital readout and an RS232 communication standard interface for external control or monitoring via CN8-SW software. The physical design includes a large aperture opening of 44.5 mm (1.75"). Overall dimensions are 566 W x 520 H x 600 mm D (22.3 x 20.5 x 23.6") with a weight of 31 kg (68 lb).
Power supply options support two voltage configurations:
• BB705: Blackbody, 110 Vac
• BB705-230VAC: Blackbody, 230 Vac
Key Product Differences
The primary distinction between models in the BB705 series is the input voltage rating. The standard model (BB705) operates on 115 Vac 50/60 Hz, while the variant (BB705-230VAC) supports 230 Vac 50/60 Hz for European models or specific regional requirements.
- Very High Temperature Blackbody Calibrator
- Model BB705 Calibrates from 100 to 1046°C (212 to 1915°F)
- Built-In NIST Traceable Reference Temperature Display
- Large 44.5 mm (1.75') Aperture
| Accuracy | ± 1 °C (± 1.8 °F) |
| Accuracy Detail | ±0.25% of reading; ±1°C |
| Additional Features 1 | Portable |
| Cavity Emissivity | 0.99 |
| Cavity Opening Size | 44.5 |
| Control Mode | PID Control |
| Data Interface | RS232 |
| Display Type | LED |
| Frequency | 50/60 Hz |
| Height | 520 mm |
| Internal Sensing Element | Platinum Thermocouple |
| Length | 600 mm |
| Operating Temperature, Max | 35 °C |
| Operating Temperature, Min | 0 °C |
| Process Temperature, Max | 1046 °C |
| Process Temperature, Min | 100 °C |
| Series ID | BB705-series |
| Stability | ± 0.4°C |
| Stability Note | 0.4°C (0.7°F) per 8-hour period |
| Target Size | 44.5 |
| Warm Up Time | 80 min |
| Warm-Up Time Note | 80 minutes from 100°C to 1000°C |
| Width | 566 mm |