Altek Loop Calibrator (1 Month Rental)

$150.00

The Altek Model 334A can check, calibrate and measure all your current signal instruments in a 4 to 20 milliamp DC loop. Use at every point in your loop. Source & Read 0.00 to 24.00 mA, Simulate a 2-wire transmitter or use the Model 334A to simultaneously power & measure your 2-wire transmitters. Toggle the display to show milliamps or percent of 4 to 20.

Out of stock

The Altek Model 334A can check, calibrate and measure all your current signal instruments in a 4 to 20 milliamp DC loop. Use at every point in your loop. Source & Read 0.00 to 24.00 mA, Simulate a 2-wire transmitter or use the Model 334A to simultaneously power & measure your 2-wire transmitters. Toggle the display to show milliamps or percent of 4 to 20.

Specifications

Accuracy: Quik-Chek 4 & 20 mA ±(0.03% of Setting + 1 LSD) Milliamp & % Ranges ±(0.05% of Reading + 1 LSD) Read DC Volts ±(0.05% of Span + 1 LSD)
Warm Up Time: 10 seconds to specified accuracy, 2 minutes to maximum accuracy
Milliamp Ranges: ±0.008% of Reading/°C
Read DC Volts: ±0.012% of Span/°COvervoltage Protection: Protected to 135V AC/DC for 30 seconds without fuses
Operating Temperature Range: -5 to +140 °F (-20 to +60°C)
Storage Temperature Range: -22 to +160°F (-30 to +70°C)
Relative Humidity: 10 to 90%, non-condensing for 24 hours from 0 to 35°C
Overall Size: 121.9 x 66.0 x 35.8 mm (4.8 x 2.6 x 1.41 inches)
Weight: 0.22 kg (7.8 oz)

Milliamp sources

Ranges:0.00 to 24.00 mA; -25.0 to 125.0 % of 4 to 20 mA

Accuracy: Quik-Chek 4mA ±(0.03% of 4mA + 0.01 mA) = 0.011mA
Quik-Chek 20mA ±(0.03% of 20mA + 0.01 mA) = 0.016mA
0 to 24mA ±(0.05% of Reading + 1 LSD)
Typical Drive Capability: 1200 Ohms @ 20.00 mA with fresh batteries, 800 Ohms @ 20.00 mA with low batteries
Compliance: nominal 27VDC @ 20 mA with fresh batteries

Power & measure 2-wire transmitters

Ranges and Accuracy: Same as for Milliamp Source
Output Current: up to 24.00 mA
Typical Drive Capability: 1200 Ohms @ 20.00 mA with fresh batteries, 800 Ohms @ 20.00 mA with low batteries
Compliance: nominal 27VDC @ 20 mA with fresh batteries

2-wire transmitter simulator

Ranges and Accuracy: Same as for Milliamp Source
Loop Voltage Limits: Minimum, 2 VDC; Maximum 100 VDC
Overload Protection: Current limited to 25 mA nominal

Milliamp read

Ranges: 0.00 to 52.00 mA; -25.0 to 300.0 % of 4 to 20 mA
Accuracy: Same as for Milliamp Source
Voltage Burden: 0.9V at 4 mA, 1.2V at 20 mA, 1.9V at 50 mA excitation current

Read DC Volts

Range: -99.99 to +99.99V DC
Input Impedance: >2 Meg Ohms

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