For the temperature calibration professional that wants a highly accurate, easy-to-use, single function RTD temperature calibrator the Fluke 712B is the ideal test tool.
Features:
- The 712B can measure and simulate (13) different RTD types and resistance
- Measure 4 to 20 mA signals while simultaneously sourcing a temperature signal
- Hanging tool designed in and included with every unit
- Configurable 0% and 100% source settings for quick 25% linearity checks
- Linear ramp and 25% step auto ramp based on 0% and 100% settings
- Dual inputs and backlit display for easy interpretation of measurements
- Power down settings remembered at power up for easy restart of tests
- 1-year and 2-year specifications and traceable certificate of calibration
| General Specifications | |
| Maximum voltage applied between any terminal and earth ground or between any two terminals | 30 V |
| Operating temperature | -10 °C to 50 °C |
| Storage temperature | – 30 °C to 60 °C |
| Operating altitude | 2,000 meters |
| Storage altitude | 12,000 meters |
| Relative humidity (% RH operating without condensation) | Non condensing |
| 90% (10 °C to 30 °C) | |
| 75% (30 °C to 40 °C) | |
| 45% (40 °C to 50 °C) | |
| (Without condensation) | |
| Vibration requirements | MIL-T-28800E, Class 2 |
| Drop text requirements | 1 meter |
| IP Rating | IEC 60529: IP52 |
| Electromagnetic environment | IEC 61326-1, Portable |
| Safety | IEC 61010-1, Max 30 V to earth, Pollution Degree 2 |
| Power supply | 4 AA NEDA 1.5A IEC LR6 batteries |
| Size (H x W x L) | 52.5 mm x 84 mm x 188.5 mm |
| Weight | 515 g |
| DC mA Measurement | |
| Resolution | 0-24 mA |
| Range | 0.001 mA |
| Accuracy (% of reading + counts) | 0.010% + 2 μA |
| Temperature coefficient | ± (0.002% of reading + 0.002% of range) /°C ( <18 °C or >28 °C) |
| Ohms Measurement | |
| Ohms range | Accuracy (% of reading +counts) |
| 0.00 Ω to 400.00 Ω | 0.015% + 0.05 Ω |
| 400.0 Ω to 4000.0 Ω | 0.015% + 0.5 Ω |
| Note: Read accuracy is based on 4-wire input. For 3-wire ohm measurements, assuming all three leads are matched, add 0.05 Ω (0.00 Ω~400.00 Ω), 0.2 Ω (400.0 Ω~4000.0 Ω) to the specifications. | |
| Temperature coefficient | ± (0.002% of reading + 0.002% of range) /°C ( <18 °C or >28 °C) |
| Ohms Source | ||
| Ohms range | 1.0 Ω to 400.0 Ω | |
| 1.00 Ω to 400.00 Ω | ||
| 400.0 Ω to 1500.0 Ω | ||
| 1500.0 Ω to 4000.0 Ω | ||
| Excitation current from measurement device | 0.1 mA to 0.5 mA | |
| 0.5 mA to 3 mA | ||
| 0.05 mA to 0.8 mA | ||
| 0.05 mA to 0.4 mA | ||
| Accuracy (% of reading + counts) | 0.015% + 0.1 Ω | |
| 0.015% + 0.05 Ω | ||
| 0.015% + 0.5 Ω | ||
| 0.015% + 0.5 Ω | ||
| Resolution | 0.00 Ω to 400.00 Ω | 0.01 Ω |
| 400.0 Ω to 4000.0 Ω | 0.1 Ω | |
| Temperature coefficient | ± (0.002% of reading + 0.002% of range) /°C ( <18 °C or >28 °C) Supports pulsed transmitters and PLCs with pulse times as short as 5 ms | |
| RTD Input and Output | |||||||
| RTD Type (α) | Range (°C) | Measure (°C) | Source (°C) | ||||
| 1-year | 2-year | Source current | 1-year | 2-year | |||
| 10Ω Pt(385) | -200 to 100 °C | 1.5 °C | 3 °C | 1 mA | 1.5 °C | 3 °C | |
| 100 to 800 °C | 1.8 °C | 3.6 °C | 1 mA | 1.8 °C | 3.6 °C | ||
| 50Ω Pt(385) | -200 to 100 °C | 0.4 °C | 0.7 °C | 1 mA | 0.4 °C | 0.7 °C | |
| 100 to 800 °C | 0.5 °C | 0.8 °C | 1 mA | 0.5 °C | 0.8 °C | ||
| 100 Ω Pt(385) | -200 to 100 °C | 0.2 °C | 0.4 °C | 1 mA | 0.2 °C | 0.4 °C | |
| 100 to 800 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | |||
| 200 Ω Pt(385) | -200 to 100 °C | 0.2 °C | 0.4 °C | 500 μA | 0.2 °C | 0.4 °C | |
| 100 to 630 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | |||
| 500 Ω Pt(385) | -200 to 100 °C | 0.3 °C | 0.6 °C | 250 μA | 0.3 °C | 0.6 °C | |
| 100 to 630 °C | 0.015% +0.28 °C | 0.03% +0.56 °C | 0.015% +0.28 °C | 0.03% +0.56 °C | |||
| 1000 Ω Pt(385) | -200 to 100 °C | 0.2 °C | 0.4 °C | 250 μA | 0.2 °C | 0.4 °C | |
| 100 to 630 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | |||
| 100 Ω Pt(3916) | -200 to 100 °C | 0.2 °C | 0.4 °C | 1 mA | 0.2 °C | 0.4 °C | |
| 100 to 630 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | |||
| 100 Ω Pt(3926) | -200 to 100 °C | 0.2 °C | 0.4 °C | 1 mA | 0.2 °C | 0.4 °C | |
| 100 to 630 °C | 0.015 % +0.18 °C | 0.03% +0.36 °C | 0.015% +0.18 °C | 0.03% +0.36 °C | |||
| 10 Ω Cu(427) | -100 to 260 °C | 1.5 °C | 3 °C | 1 mA | 1.5 °C | 3 °C | |
| 120 Ω Ni(672) | -80 to 260 °C | 0.15 °C | 0.3 °C | 1 mA | 0.15 °C | 0.3 °C | |
| 50 Ω Cu(427) | -180 to 200 °C | 0.4 °C | 0.7 °C | 1 mA | 0.4 °C | 0.7 °C | |
| 100 Ω Cu(427) | -180 to 200 °C | 0.2 °C | 0.4 °C | 1 mA | 0.2 °C | 0.4 °C | |
| YSI400 | 15 to 50 °C | 0.2 °C | 0.4 °C | 250 μA | 0.2 °C | 0.4 °C | |
| 1. Sensor inaccuracies not included. 2. Resolution: 0.1 °C. 3. Read accuracy is based on 4-wire input. For 3-wire RTD measurements, assuming all three RTD leads are matched, add 1.0 °C (Pt10 and Cu10), 0.6 °C (Pt50 and Cu50), 0.4 °C (Other RTD types) to the specifications. 4. Source Accuracy in source mode is based on 0.5 mA~3 mA (1.00 Ω~400.00 Ω), 0.05 mA~0.8 mA (400.0 Ω~1500.0 Ω), 0.05 mA~0.4 mA (1500.0 Ω ~4000.0 Ω), excitation current (0.25 mA for Pt1000 range). 5. Temperature Coefficient: ±0.05 °C /°C for measure, ± 0.05 °C /°C (<18 °C or >28 °C) for source. 6. Supports pulsed transmitters and PLCs with pulse times as short as 5 ms. | |||||||
The Fluke 712B is supplied with the following;
- Magnetic hanging tool
- Batteries
- Manual
- Traceable calibration certificate
- Test leads
Click on the links below for further information;
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