Dwyer Instruments TST-021 — Humidity Switches
Dwyer Digital thermostat 1 relay output, 1 PTC/NTC probe input, red display, 230 VAC, capacitive touch keys, Modbus®.
| Accuracy | ± 1 % |
|---|---|
| Applications | Boilers, Oil, Refrigeration, Refrigeration Equipment |
| Control Type | On/Off |
| Country of origin | Spain |
| Display Color | N/A |
| Display Note | 3-digit, plus sign |
| Display type | 3 Digit LED |
| Enclosure Ratings | IP65 |
| GrossWeightValue | 0.4 |
| Horsepower Rating | 1 hp |
| Input type | Thermistor |
| Memory Backup | Non-Volatile |
| Operating temperature - max | 131 °F |
| Operating temperature - min | 32 °F |
| Output Detail | Relay |
| Power consumption | 4 VA |
| Scale | N/A |
| Sensor type | Thermistor |
| Storage Temperature, Max | 176 °F |
| Storage temperature, min | -4 °F |
| Supply Power Type | AC |
| Supply voltage | 230 Vac |
| Switch Note | SPDT relay rated 16 A @ 240 VAC resistive, 10 FLA, 60 LRA |
| Switch Rating | 16 A @ 240 Vac, 10 FLA, 60 LRA |
| Switch type | SPDT NO/NC, Selectable |
| Temperature Measurement Range | PTC: -50 to 150 °C, NTC: -50 to 110 °C |
| Temperature Probe Style | N/A |
| Temperature Resolution | 0.1 °F |
| Weight | 7.2 oz |
Frequently Asked Questions
How do I get pricing for TST-021?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the TST-021?
TST-021 is a Dwyer Instruments part. KKM Solutions sources Dwyer Instruments components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What are the key specifications of TST-021?
Key specifications include Accuracy: ± 1 %; Applications: Boilers, Oil, Refrigeration, Refrigeration Equipment; Control Type: On/Off; Country of origin: Spain. The full specification table on this page lists every published attribute for this part.
How quickly can TST-021 ship?
In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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