| Model | HY-1000 | HY-2000 | HY-3000 | 
| Appearance |  |  |  | 
| Power supply voltage | 110 V a.c / 220 V a.c 60 ㎐ | 
| Permissible Voltage Fluctuation Range
 | Rated Voltage ±10 % | 
| Consumption Power | Approx. 3 VA max | 
| Input | Thermocouple, Resistive | Thermocouple, Resistive, DC Current, DC Voltage
 | 
| Adjusting Sensitivity | ±0.2 % (fixed) of Max. Range | 
| Control Method | Time Proportional Control, ON/OFF Control | 
| Setting Method | Analog Setting | 
| Display Method | Non-Display | Deviation Display | 
| Control Output | Relay Output :Capacity 250 V a.c 3 A | Relay Output : capacity 250 V a.c 3 A
 SSR Output : 12 V d.c
 Load Resistance :
 Above 800 Ω
 | 
| Setting Accuracy | Within ± 2.0 % of Max. Range | 
| Display Accuracy | HY-1000 : ±1.0 % (fixed) of Max. Range
 HY-2000 : ±2.0 %
 (fixed) of Max. Range
 | ±2.5 % (fixed) of Max. Range
 | 
| Proportional Band | 3 % of Max. Range (fixed) | 
| Proportional Cycle | Relay Output : Approx. 20 sec, SSR Output : Approx. 2 sec | 
| External Input Resistance | Thermocouple : Below 100 Ω, Resistive : Below 10 Ω Per 1 Wire (The Resistance of Each Wire Should be the Same.)
 | 
| Reset Range | None | 
| Alarm Setting Range | - | 
| Alarm Output Adjusting Sensitivity
 | - | 
| Hysteresis | Thermocouple : 1.2 ℃ (Below 600 ℃), 2.4 ℃ (Above 600 ℃)35 Resistive : 0.6 ℃ (Below 200 ℃), 1.2 ℃ (Above 200 ℃)
 | 
| Dielectric Strength | 2000 V a.c 60 ㎐ for 1 Minute | 
| Relay Life Expectancy | Mechanical : Above 10 Millions Times, Electrical : Above 100 Thousands Times (250 V a.c, 3 A Resistive Load)
 | 
| Operating Ambient Temperature/Humidity
 | 0 ~ 50 ℃, 35 ~ 85 % R.H (Without Condensation) | 
| Weight | HY-1000 : 358 g (Including Brackets)
 | HY-2000, 3000 : 558 g (Including Brackets) |