Atec Valhalla-Scientific-4165 User Manual
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General Specifications
Display Type: ............................................................................................4½ digit LED (20000 counts)
A-to-D Conversion Rate:.............................................................................................. 400 milliseconds
ATC Mode (4100 and 4150 only):................................... Add ±0.05% + 0.001%/
°C to accuracy spec
Compensator Accuracy: ............................................................±0.1% of rated temperature coefficient
Overrange:............................................................................. 100% of range (19999 counts on display)
Overrange Indication: ...................................................................................................... Display flashes
Terminal Configuration: ...............................................................................................Four-wire Kelvin
Temperature Coefficient:...............................................................±0.002% /
°C (0-15°C and 35-50°C)
Test Current Polarity: ...................................Negative (flows Low to High). 4165-1344 is selectable.
Test Current Compliance Voltage (4100,4150): ......................................................... 5 volts minimum
Test Current Compliance Voltage (4165):...............................selectable clamp at 50mV or 2V (±5%)
Test Current Compliance Voltage (4165-1344):.....................selectable clamp at 20mV or 2V (±5%)
Settling Time:........................................................... 300 milliseconds + 1 conversion to within ±0.1%
Environmental Requirements
Common Mode Rejection Ratio: .......................................................................... 60 db at DC to 60Hz.
Power Supply: ......................................... 115VAC or 230VAC ±10% @ 50Hz to 400Hz; 25VA max
Operating Temperature Range: ............................................................................................ 0
°C to 50°C
Storage Temperature Range: .......................................................................................... -40
°C to +85°C
Humidity:................................................................................ 80% RH max. at 40
°C (non-condensing)
Dimensions: ........................................................................15"(38cm)W x 10"(26cm)D x 3½"(9cm)H
Dimensions (serial# 8-3637 and higher):......................17"(43cm)W x 11½"(29.5cm)D x 4"(10cm)H
Weights:...................................................................................11lbs(5kg) NET; 15lbs(7kg) SHIPPING