CTC100是美國(guó)斯坦福公司*新推出的可編程溫度控制器,它既可以測(cè)量溫度,也可以進(jìn)行溫度控制,并且可實(shí)時(shí)記錄數(shù)據(jù)。
CTC100低溫的控制器配置適合廣泛的研究及工業(yè)應(yīng)用。該系統(tǒng)主要由四個(gè)傳感器輸入,兩個(gè)能量和四個(gè)模擬電壓輸出和6反饋控制回路。四個(gè)通用模擬和八個(gè)數(shù)字I / O口。隨著autotuning函數(shù)自動(dòng)設(shè)定PID參數(shù)。
溫度控制器是利用感溫液體熱脹冷縮及液體不可壓縮的原理而實(shí)現(xiàn)自動(dòng)調(diào)節(jié)。當(dāng)控制溫度升高時(shí)感溫液體膨脹產(chǎn)生的推力將熱媒關(guān)小,以降低輸出溫度;當(dāng)控制溫度降低時(shí)感溫液體收縮,在復(fù)位裝置的作用下將熱媒開大,以提高輸出溫度,從而使被控制的溫度達(dá)到和保持在所設(shè)定的溫度范圍內(nèi)。
CTC100通過熱電偶、鉑電阻等溫度傳感裝置,把溫度信號(hào)變換成電信號(hào),通過單片機(jī)、PLC等電路控制繼電器使得加熱(或制冷)設(shè)備工作(或停止)。
PTC10溫控儀是一臺(tái)集加熱、測(cè)溫、監(jiān)視溫度為一體的高精度可編程溫控儀。PTC10溫控儀有DC和AC輸出兩種加熱方式,*多可以16通道輸入,輸入傳感器類型有二極管、 RTDs和熱電偶(E, J, K or T)三種,內(nèi)嵌世界大部分廠家標(biāo)準(zhǔn)溫度曲線,用戶也可以自己輸入溫度曲線,4個(gè)PID控制環(huán)路、50 Hz PID采樣,1 mK分辨率,儀器標(biāo)配USB, Ethernet, RS-232接口·,GPIB為 選件,PTC10溫控儀是所有溫控儀中性價(jià)比更高的溫控儀,適用于大多數(shù)低溫系統(tǒng)和小的高溫爐。
產(chǎn)品特點(diǎn)
16通道溫度傳感器輸入;
2種加熱方式,DC和AC電流輸出控制加熱絲加熱;
支持多種類型的溫度傳感器,
如:二極管、熱電偶(E, J, K or T)、RTD等;
6個(gè)輸出控制回路,*大輸出功率可達(dá)50W,*小為1W;
50 Hz PID采樣,1 mK分辨率;
具有數(shù)據(jù)監(jiān)視和記錄功能;
內(nèi)嵌標(biāo)準(zhǔn)溫度曲線,用戶也可以自己輸入溫度曲線;
具有模擬輸出、繼電器、報(bào)警等功能;
USB, Ethernet, RS232 interfaces (標(biāo)配);
GPIB interface (選件);
主要參數(shù)
*大PID比率50 or 60 Hz, depending on AC line frequency數(shù)據(jù)記錄率10 samples/second/channel – 1 sample/hour/channel (can be setindependently for each channel or globally for all channels)顯示分辨率0.001 °C, °F, K, V, A, W, etc. if –1000 |
PTC320 thermistor, diode, and RTD reader |
輸入One input for 2-wire or 4-wire thermistor, diode, or RTD連接器6-pin 240° push-pull DIN socket范圍30, 100, 300, 1k, 3k, 10k, 30k, 100kΩ, ±2.5V, or auto激發(fā)源 (RTDs)0, 10, 20, 50, 100, 200, 500 nA; 1, 2, 5, 10, 20, 50, 100, 200, 500 μA; 1, 2,5 mA; or auto激發(fā)源 (diodes)0 or 10 μA準(zhǔn)確度TBD噪聲TBD溫度系數(shù)TBD |
PTC321 Pt RTD reader |
輸入Four 100Ω Pt RTD 4-wire inputs連接頭5-pin, 3.5mm header范圍0 – 400 ΩITS-90 Pt100 RTDs–215 °C to 850 °C激發(fā)源1 mA初始精度±30 mK溫度漂移1.4 mK/°C時(shí)間漂移±15 mK/year (at 25°C ambient temperature)噪聲2 mKrms (at 25°C sensor temperature and 10 samples/s)信號(hào)檢測(cè)Card detects open and short circuit conditions |
PTC330 thermocouple reader |
輸出Four optoisolated thermocouple inputs連接口Mini thermocouple jacks熱電偶類型E, J, K, N, or T 范圍±500 mVType E–245 °C to 1025 °C (cal table range with cold junction at 25°C)Type J–185 °C to 1225 °CType K–245 °C to 1395 °CType N–245 °C to 1325 °CType T–245 °C to 425 °C輸入電容<1 pF精度±500 mK (over 12 months)噪聲20 mKrms (at 10 samples/s)溫度漂移20 mK/°C (type K thermocouple at 164.0 K)共模抑制比CMRR100 dB |
PTC420 AC output card |
輸出One line voltage output switched by solid-state relay連接口NEMA 5-15 (3-prong North American wall socket); a heater cable with a mating plug on one side and stripped ends on the other is included輸出電壓120/240 VAC*大輸出電流5 AOn/off cycle timeAdjustable between 1 and 240 s*大線性電壓250 VAC沖擊電流100 A max. (non-repetitive)輸出分辨率0.1% at 10 s cycle time*小加熱器電阻24 Ω (110 VAC), 46 Ω (230 VAC) |
PTC430 DC output card |
輸出One linear, unipolar DC current source連接Two banana jacks, 1 inch center-to-center spacing范圍50 V 1A, 20 V 2 A, 50 V 0.5A, 20 V 0.5 A,50 V 0.1A, or 20 V 0.1 A輸出分辨率16-bit (24-bit with dithering)精度±1 mA (1 A range) ±0.1 mA (0.5 A range) ±0.01 mA (0.1 A range)噪聲 25 Ω負(fù)載200 μV (1 A range) 15 μV (0.5 A range) 5 μV (0.1 A range) |
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