Lakeshore 325 User Manual - Ordering Information
www.lakeshore.com Lake Shore Cryotronics, Inc. (614) 891-2244 fax: (614) 818-1600 e-mail: info@lakeshore.com
7
Part number
Description
325
Two diode/RTD inputs
325-T1
One diode/RTD, one thermocouple input
325-T2
Two thermocouple inputs
Specify line power option*
VAC-100
Instrument configured for 100 VAC with U.S. power cord
VAC-120
Instrument configured for 120 VAC with U.S. power cord
VAC-120-ALL
Instrument configured for 120 VAC with U.S. power cord
and universal Euro line cord and fuses for 220/240 VAC setting
VAC-220
Instrument configured for 220 VAC with universal
Euro line cord
VAC-240
Instrument configured for 240 VAC with universal
Euro line cord
*Other country line cords available, consult Lake Shore
Accessories included
106-009
Heater output connector (dual banana jack)
106-233
Sensor input mating connector (6-pin DIN plugs)
106-735
Terminal block, 2-pin
——
Calibration certificate
MAN-325
Model 325 user manual
Accessories available
6201
1 m (3.3 ft long) IEEE-488 (GPIB) computer interface
cable assembly
8001-325
CalCurve™, factory installed – the breakpoint
table from a calibrated sensor stored in the instrument
(extra charge for additional sensor curves)
CAL-325-CERT
Instrument recalibration with certificate
CAL-325-DATA
Instrument recalibration with certificate and data
RM-½
Kit for mounting one ½ rack temperature controller in a
482.6 mm (19 in) rack, 90 mm (3.5 in) high
RM-2
Kit for mounting two ½ rack temperature controllers in a
482.6 mm (19 in) rack, 135 mm (5.25 in) high
All specifications are subject to change without notice
Ordering Information
Front Panel
Display
2-line × 20-character, liquid crystal display with 5.5 mm
character height
Number of reading displays
1 to 4
Display units
K, °C, V, mV,
Ω
Reading source
Temperature, sensor units
Display update rate 2 rdg/s
Temp display resolution 0.001° from 0° to 99.999°, 0.01° from 100° to 999.99°,
0.1° above 1000°
Sensor units
display resolution Sensor dependent; to 5 digits
Other displays
Setpoint, Heater Range, and Heater Output (user selected)
Setpoint setting resolution
Same as display resolution (actual resolution is sensor dependent)
Heater output display Numeric display in percent of full scale for power or current
Heater output resolution 1%
Display annunciators Control Input, Remote, Autotune
Keypad
20-key membrane, numeric and specific functions
Front panel features Front panel curve entry, keypad lock-out
Interface
IEEE-488 interface
Features
SH1, AH1, T5, L4, SR1, RL1, PP0, DC1, DT0, C0, E1
Reading rate
To 10 rdg/s on each input
Software support LabVIEW™ driver (consult factory for availability)
Serial interface
Electrical format RS-232C
Baud rates
9600, 19200, 38400, 57600
Connector
9-pin D-style, DTE configuration
Reading rate
To 10 rdg/s on each input
General
Ambient temperature 15 °C to 35 °C at rated accuracy, 5 °C to 40 °C at reduced accuracy
Power requirement
100, 120, 220, 240 VAC, +6%, -10%, 50 or 60 Hz, 85 VA
Size
216 mm W × 89 mm H × 368 mm D
(8.5 in × 3.5 in × 14.5 in), half rack
Weight
4.00 kg (8.82 lb)
Approval
CE mark
Loop 2 Heater Output
25
Ω Setting
50
Ω Setting
Type
Variable DC voltage source
D/A resolution
16-bit
Max power
1 W
2 W
Max voltage
5 V
10 V
Current compliance (min)
0.2 A
Heater load range
≥ 25 Ω
≥ 50 Ω
Heater load for max power
25
Ω
50
Ω
Ranges
1
Heater noise (<1 kHz)
50 µV + 0.01% of output
Grounding
Output referenced to chassis ground
Heater connector
Detachable terminal block
Loop 1 Heater Output
25
Ω Setting
50
Ω Setting
Type
Variable DC current source
D/A resolution
16-bit
Max power
25 W
Max current
1 A
0.71 A
Voltage compliance (min)
25 V
35.4 V
Heater load range
20
Ω to 25 Ω
40
Ω to 50 Ω
Heater load for max power
25
Ω
50
Ω
Ranges
2 (2.5 W/25 W)
Heater noise (<1 kHz)
1 µA + 0.01% of output
Grounding
Output referenced to chassis ground
Heater connector
Dual banana