Horner · SmartStack Metal
Horner HE800THM000 / HE800THM100 SmartStack Thermocouple Input Modules
Two- and four-channel thermocouple or millivolt measurement with automatic cold-junction selection.
Product Description
HE800THM000 and HE800THM100 are SmartStack thermocouple and millivolt input modules with two and four channels respectively. They support J, K, T, E, C, R and S thermocouples plus ±25 mV, ±50 mV and ±100 mV ranges.
Cold-junction compensation can be internal or external and is automatically selected. The modules use integrating conversion and supply 0.05°C resolution, but the correct thermocouple type, channel pair and compensation arrangement must be retained through installation.
Technical Specifications
| Specification | HE800THM000 | HE800THM100 |
|---|---|---|
| Brand | Horner | |
| Product Type | 2-channel thermocouple/millivolt input | 4-channel thermocouple/millivolt input |
| Country of Origin | United States | |
| System Family | SmartStack Metal | |
| Channels | 2 | 4 |
| Thermocouple types | J, K, T, E, C, R and S | |
| Millivolt ranges | ±25 mV, ±50 mV, ±100 mV | |
| Resolution | 0.05°C | |
| Cold-junction compensation | Internal or external; automatically selected | |
| Common-mode range | ±12 Vdc maximum | |
| Operating temperature | 0–60°C | |
| Relative humidity | 5–95% non-condensing | |
| Steady-state power | 0.34 W (14.3 mA at 24 Vdc) | |
| Weight | 9.5 oz. (270 g) | |
Temperature Input Choices
HE800THM000 offers two channels and HE800THM100 offers four. Select the thermocouple type or millivolt input range for each installed application rather than treating all sensor types as one range.
The documented temperature ranges vary by thermocouple type. The module’s 0.05°C resolution does not replace the required selection of the correct sensor family.
Compensation and Wiring
Frequently Asked Questions
How do HE800THM000 and HE800THM100 differ?
HE800THM000 has two channels and HE800THM100 has four channels.
Which sensors are supported by HE800THM000 and HE800THM100?
HE800THM000 and HE800THM100 support J, K, T, E, C, R and S thermocouples plus the documented millivolt ranges.
How do HE800THM000 and HE800THM100 handle cold junctions?
HE800THM000 and HE800THM100 automatically select internal or external cold-junction compensation.
What common-mode limit applies to HE800THM000 and HE800THM100?
The common-mode range for HE800THM000 and HE800THM100 is ±12 Vdc maximum.
What wiring should be retained for HE800THM000 and HE800THM100?
Retain each documented thermocouple plus, minus, shield and any external compensation connection for HE800THM000 and HE800THM100.
What should be checked after installing HE800THM000 and HE800THM100?
Check the selected sensor type and reported channel values after installing HE800THM000 and HE800THM100.
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