测量&分析 / 电输运·附件
控温仪· Kelvinion mini — 极简, 极可靠
Diode型 & 电阻型温度计 (无论是PTC还是NTC型) 已经成为低温、磁场环境下的温度传感的首选方案。多场科技·在科研需求大背景下，推出了 Kelvinion mini 这款极简风格的温控仪：包括2路极高精度的温度监视和1路100W大功率控温输出。极高精度却极紧凑的配置，保证每分钱都花在刀刃上。
最低测量&控制温度低于300 mK · 搭配NTC电阻温度计；
温度分辨率0.1 mK (24位 AD 分辨率)；
最高功率100W/50W，搭配50欧姆/25欧姆 加热器；
触屏直接操作，搭配电脑软件控制；
支持自动选择最优PID配置；
自动切换温度计测量量程，保证温度计最小发热；
电阻型温度计测量，激励电流自动反向测量；
Kelvinion mini系列默认2路温度传感，1路输出控温；
温控仪· Kelvinion mini 背面板
定标曲线导入
PID自动生成程序
| Kelvinion MINI | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Thermometry | |||||||||
| Isolation | Sensors inputs optically isolated from other circuits but not far from each other | ||||||||
| A/D resolution | 24 bit | ||||||||
| Max update rate | 10 rds/s on each input | ||||||||
| User Curves | 1000+ curves (260 points MAX) | ||||||||
| Filter | Kalman Filter | ||||||||
| Input Specification | |||||||||
| Diode / RTD | |||||||||
| Measurement Type | 4-lead | ||||||||
| Excitation | Constant current with current reversal for RTDs | ||||||||
| Supported Sensors | Diodes: Silicon, GaAlAs; RTDs: 100 Ω Platinum, 1000 Ω Platinum, Germanium, Carbon-Glass, Cernox®, and Rox™ |
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| NTC-Input Range | 0 Ω to 10 Ω | 0 Ω to 30 Ω | 0 Ω to 100 Ω | 0 Ω to 300 Ω | 0 Ω to 1 kΩ | 0 Ω to 3 kΩ | 0 Ω to 10 kΩ | 0 Ω to 30 kΩ | 10 |
| NTC-Excitation Current | 1 mA | 300 uA | 100 uA | 30 uA | 10 uA | 3 uA | 1 uA | 300 nA | 100 nA |
| NTC-Measurement Resolution |
1 mΩ | 1 mΩ | 10 mΩ | 10 mΩ | 100 mΩ | 100 mΩ | 1 Ω | 1 Ω | 10 Ω |
| NTC-Input Range | 0.15 mΩ | 0.45 mΩ | 1.5 mΩ | 4.5 mΩ | 15 mΩ + 0.002% of rdg | 45 mΩ + 0.002% of rdg | 150 mΩ + 0.002% of rdg | 450 mΩ + 0.002% of rdg | 1.5 Ω + 0.005% of rdg |
| Control | |||||||||
| Control loops | 1 | ||||||||
| Tuning | Autotune with software | ||||||||
| PID parameters | P (Gain): 0 to 1000 with 0.01 setting resolution I (Reset): 1 to 1000 with 0.01 setting resolution D(Rate): 1 to 200 % with 0.1% resolution Manual output: 0 to 100% with 0.01 setting resolution |
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| Zone control | 10 temperature zones with PID and heater range | ||||||||
| Setpoint Ramping | 0.1 K/min to 10 K/min | ||||||||
| Loop 1 | 25 ohm | 50 ohm | |||||||
| Type | Variable DC current source | ||||||||
| D/A resolution | 16 bit | ||||||||
| Max Power | 100 W | 50 W | |||||||
| Max Current | 2 A | 1 A | |||||||
| Voltage Compliance | 50 V | ||||||||
| Heater load range | 10 to 100 ohm | ||||||||
| Range | 3 range with decade step in power | ||||||||
| Ground | Output referenced to chassis ground | ||||||||
| Communication | USB & GPIB | ||||||||
| Display | 5' Cap Touch Screen | ||||||||