Product Overview
The Honeywell HEL-700 Series Thin Film Platinum RTDs are designed for critical temperature monitoring and control in industrial applications. These Resistance Temperature Detectors offer a linear change in resistance versus temperature, providing high linearity, stability, accuracy, and a wide temperature range within a compact, fast-response package. They are ideal for measuring temperatures from -75 C to 540 C [-100 F to 1000 F]. The fully-assembled, laser-trimmed elements are ready-to-use in probe assemblies, eliminating the need for fragile splices. Applications include HVAC, process control, motor windings, battery packs, ovens, kilns, medical autoclaves, aircraft, and space vehicles.
Product Attributes
- Brand: Honeywell
- Series: HEL-700
- Sensing Technology: Thin Film Platinum RTD
- Substrate Material: Alumina
- Leadwire Insulation: TFE Teflon or Fiberglass
- Construction: Ceramic case, glassed, wired, and potted or ceramic fired
- Interchangeability: Standard 0.2% or Optional 0.1%
Technical Specifications
| Characteristic | Condition | Parameter | 1000 RTD | 100 RTD |
|---|---|---|---|---|
| Alpha () | 0 C | 0.00375 //C | - | |
| Alpha () | 0 C | 0.00385 //C | - | - |
| Temperature Range | TFE Teflon | -70 C to 260 C [-94 F to 500 F] | - | - |
| Fiberglass | -75 C to 540 C [-100 F to 1000 F] | - | - | |
| Temperature Accuracy | R0 0.2% trim (standard) | 0.5C or 0.8% of temperature, whichever is greater | - | - |
| R0 0.1% trim (optional) | 0.3C or 0.6% of temperature, whichever is greater | - | - | |
| Base Resistance and Interchangeability (R0 R0) | R0 0.2% trim (standard) at 0 C | 2 | - | |
| R0 0.1% trim (optional) at 0 C | 1 | - | ||
| Linearity | -40 C to 125 C | 0.1% of full scale | - | - |
| -75 C to 540 C | 2.0% of full scale | - | - | |
| Time Constant | Water at 3 ft/s | <0.5 s for 0.086 in O.D. | - | - |
| Still water | <1.0 s for 0.086 in O.D. | - | - | |
| Operating Current | - | 2 mA max. (1 mA recommended) | - | - |
| Stability | Occupied environments | <0.25 C /year; 0.05 C /5 years | - | - |
| Self Heating | - | <15 mW/C typ. for 0.086 in O.D. | - | - |
| Insulation Resistance | 50 Vdc at 25 C | >50 M | - | - |
| Case Material | - | High purity alumina | - | - |
| Leadwire Material | Teflon-insulated leads | Nickel-coated stranded copper, epoxy potting | - | - |
| Leadwire Material | Fiberglass-insulated leads | Nickel-coated stranded copper, ceramic potting | - | - |
Note: For 1000 RTDs, divide values in Table 3 by 10 for 100 RTDs.
Ordering Guide Example: HEL-705-U-0-12-C1 defines an HEL-700 Series RTD with two, 28 gauge TFE Teflon insulated leadwires, an alpha of 0.00375 //C (1000 ), standard 0.2% trim, 12-inch leadwires, and a NIST calibration report at 0 C.
2504101957_Honeywell-HEL-705-U-0-60-00_C17529700.pdf
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