| General Measurement |
Number of inputs: 1
Update rate: 5 rdg/s on display; up to 18 rdg/s with serial interface
Probe compatibility: Standard and custom probes, including Model 420 & 450 probes
Probe features: Linearity Correction, Auto Probe Zero
Measurement features: Autorange, Max Hold, Relative Mode, Filter
Probe connector: 15-pin D style |
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| DC Measurement |
| DC display resolution: 4¾ digits with filter, 3¾ digits without filter |
| Probe Type Ranges |
Resolution
with filter |
Resolution
without filter |
| HST Probe |
| 300 kG |
0.01 kG |
0.1 kG |
| 30 kG |
0.001 kG |
0.01 kG |
| 3 kG |
0.0001 kG |
0.001 kG |
| 300 G |
0.01 G |
0.1 G |
| HSE Probe |
| 30 kG |
0.001 kG |
0.01 kG |
| 3 kG |
0.0001 kG |
0.001 kG |
| 300 G |
0.01 G |
0.1 G |
| 30 G |
0.001 G |
0.01 G |
| UHS Probe |
| 30 G |
0.001 G |
0.01 G |
| 3 G |
0.0001 G |
0.001 G |
| 300 mG |
0.01 mG |
0.1 mG |
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DC accuracy: ±0.20% of reading ±0.05% of range
DC temperature coefficient: ±0.05% of reading ±0.03% of range per ºC |
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| AC RMS & Peak Measurement |
| AC display resolution: 3¾ digits |
| Probe Type Ranges |
Resolution |
| HST Probe |
| 300 kG |
0.1 kG |
| 30 kG |
0.01 kG |
| 3 kG |
0.001 kG |
| 300 G |
0.1 G |
| HSE Probe |
| 30 kG |
0.01 kG |
| 3 kG |
0.001 kG |
| 300 G |
0.1 G |
| 30 G |
0.01 G |
| UHS Probe |
| 30 G |
0.01 G |
| 3 G |
0.001 G |
| 300 mG |
0.1 mG |
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AC RMS frequency range: 10 Hz to 400 Hz
AC RMS accuracy: ±2% of reading (50 Hz to 60 Hz)
AC RMS frequency response: 0 to -3.5% of reading (10 Hz to 400 Hz)
(All AC specifications for sinusoidal input >1% of range)
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| Front Panel |
Display type: Large 2-line × 20-character, vacuum fluorescent display
Display resolution: To ±4¾ digits
Display update rate: 5 rdg/s
Display units: Gauss (G), Telsa (T)
Units multipliers: µ, m k
Annunciators: RMS: AC input signal, DC: DC input signal, MAX: Max Hold value, s: Relative reading, R: Remote operation, :Alarm on
Keypad: 12-key membrane
Front panel features: Intutive operation, display prompts, front panel lockout, brightness control |
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| Interfaces |
| RS-232C capabilities |
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Baud: 300, 1200, 9600 |
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Connector: DE-9, DTE configuration |
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Software support : LabView™ driver (consult Lake Shore for availability); compatible with Model 420 command set |
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| Alarm |
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Settings: High and low set point, Inside/Outside, Audible, Sort |
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Actuators: Display annuciator, sort message, beeper, relay |
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| Relay |
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Number: 1 |
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Contacts: Normally open (NO), normally closed (NC) and common (C) |
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Contact rating: 30 VDC at 2 A |
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Operation: Follows alarm |
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Connector: Detachable terminal block |
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| Monitor analog output |
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Configuration: Real time analog voltage output |
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Range: ±3 V |
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Scale: ±3 V = ±FS on selected range |
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Frequency response: DC to 400 Hz |
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Accuracy: Probe dependent |
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Minimum load resistance: 1 kW (short circuit protected) |
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Connector: BNC |
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| Corrected analog output |
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Configuration: Voltage output generated by DAC |
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Range: ±3 V |
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Scale: ±3 V = ±FS on selected range |
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Resolution: 1.25 mV |
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Update rate: 5 updates/s |
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Accuracy: ±0.35% |
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Minimum load resistance: 1 kW (short circuit protected) |
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Connector: BNC |
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| General |
Ambient temperature: 15 to 35 ºC at rated accuracy; 5 to 40 ºC with reduced accuracy
Power requirement: 100, 120, 220, 240 VAC (+5%, -10%), 50 or 60 Hz, 20 VA
Size: 216 mm W × 89 mm H × 318 mm D (8.5 in × 3.5 in × 12.5 in), half rack
Weight: 3 kg (6.6 lb)
Approval: CE mark |
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