|
|
|
VD2000 |
VT4810 |
VT4910 |
VT4820 |
VT4830 |
|
General |
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Universal Power Supply (90 - 264V ac) |
Yes |
Yes |
Yes |
Yes |
Yes |
24V Power Supply (18 - 32V dc/ac) |
Yes |
Yes |
Yes |
Yes |
Yes |
Number of Display Digits |
3 |
4 |
4 |
4 |
4 |
Single or Dual Display/Colour |
Single |
Dual |
Dual |
Dual |
Dual |
Parameter Lock Codes |
Yes |
Yes |
Yes |
Yes |
Yes |
Control |
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On / Off & Proportional Control |
Yes |
Yes |
Yes |
Yes |
Yes |
Full 3-Term (PID) Control |
No |
Yes |
Yes |
Yes |
Yes |
Advanced 'Fuzzy' Logic Control |
No |
No |
No |
Yes |
Yes |
Auto-Tune |
No |
Yes |
Yes |
Yes |
Yes |
Auto / Manual Power Output |
No |
Yes |
Yes |
Yes |
Yes |
Bumpless Auto / Manual Transfer |
No |
No |
No |
Yes |
Yes |
Single Step Ramp / Soak |
No |
Yes |
Yes |
No |
No |
2 x 8 Step Ramp / Soak Profiles |
No |
No |
No |
No |
Yes |
Alarms |
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Number of Alarm Outputs |
3 |
1 |
2 |
2 |
2 |
Alarm Relays Fitted As Standard |
1 |
1 |
1 |
2 |
2 |
Software Configurable |
Yes |
Yes |
Yes |
Yes |
Yes |
Alarm Latch Function |
No |
No |
No |
Yes |
Yes |
Alarm Standby Function |
No |
No |
No |
Yes |
Yes |
Alarm Timer Functions |
Yes |
Yes |
Yes |
Yes |
Yes |
Inputs |
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Thermocouple Types: J, K, R, T |
Yes |
Yes |
Yes |
Yes |
Yes |
Thermocouple Types: E, B, S, N, C |
No |
Yes (Not C) |
Yes (Not C) |
Yes |
Yes |
PRT100 (DIN) |
Yes |
Yes |
Yes |
Yes |
Yes |
PRT100 (JIS) |
Yes |
Yes |
Yes |
Yes |
Yes |
Linear Inputs |
No |
Special |
Special |
Special |
Special |
Outputs |
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Heat Output (Relay or Logic) |
Yes |
Yes |
Yes |
Yes |
Yes |
Cool Output (Relay or Logic) |
No |
Special |
Special |
Option |
Option |
RS485 Digital Communications |
Special |
Special |
Special |
Special |
Special |