PST

下載產品諮詢

PST為現場可程式的熱電偶溫度信號隔離變送器，使用者可以利用上方的輸入及輸出指撥開關去控制輸入範圍及輸出規格，採用帶端子的插座設計，可提供可靠穩定的寬信號轉換

線性輸出
現場 - 可調範圍寬
- 可調控的輸入範圍及輸出訊號
- 可更換的 T/C J K E T S R B N 模組
外部 CJC 補償
- < 0.5°C ≤ 10 分鐘暖機
精確度 0.2%
輸入/輸出隔離 1.6KVdc
可用標准或自我定義校準

Accuracy ( 23 ± 3°C ) :
- 0.2% of effective range + 0.5°C ..... J-K-E-T-N
- 0.25% of effective range + 1.0°C ..... R-S-B
Linearity & repeatability : 0.12% typical ; Linearized output vs input temperature
Temperature stability : ≦ 0.015% fs per degree C
Configuration :
- Field rangeability
- Changeable thermocouple input module
- Selectable output mode.....voltage or current
- Switchable input ranges/switchable output ranges
- Switchable AC power 120V or 240V
- Selectable °C / °F calibration
CJC stability : < 0.03°C per °C....10~40°C
CJC traceability : Warm up condition.....typically
- Less 0.5°C...10 minutes compare to 2 hours
- Ambient temp. change... rate : 10°C / 3 minutes
- Less 2°C deviation within 5 minutes
Input resistance : ≧ 20 MΩ
Effect of wire resistance : ≦ 4 uV per 100Ω
Input break detection : selectable Hi-set or Lo-set
- Hi - set ≧ 110% of rated output, Lo-set ≦ 0.5% of rated output
Maximum input over : ≦ 250 Vrms 30 sec.
Power effect : < 0.003% for per volt change
Response time & ripple : 250ms typically , ripple < 0.1% rms of span
Output drive capability : ≦ 10mA for voltage mode, ≦ 10 V for current mode
Common mode rejection : > 100db, 50 / 60 Hz
Dielectric strength :
- 1500Vac ..... power / input & output terminals
- 1600Vdc ..... input / output terminals
Operating condition : Temperature range -5 ~ 55°C, humidity 20~95% RH non - condensed
Storage condition : Temperature range -10 ~ 70°C, humidity 20~95% RH non - condensed
Power supply :
- ± 20% of rated , less 3.5 VA for AC input
- ± 20% of rated , less 3.5 watt for DC input
Construction : Socket plug - in type with barrier terminals