Altek 311 Manual page 4

(Unless otherwise indicated, specifications are in % of Span in ohms with 1 mA fixed excitation current @ 23°C for 1 year )
General Accuracy: ±(0.01% of reading + 0.075 Ohms)
Temperature Drift: ± 0.01% / °C
Operating Temperature Range: -5 to 140 °F (-20 to 60 °C)
Storage Temperature Range: -22 to 170 °F (-30 to 80 °C)
Relative Humidity: 10 to 90%, non-condensing
Warm Up Time: 30 seconds to maximum accuracy
Battery Life: 6 "AA" Alkaline Batteries: Nominal 50 hours
Low Battery: "BAT" indication on LCD at 7 Volts nominal,
approximately 10 hours left. Batteries should be removed
when storing the unit for longer than three months.
Overall Size: 6.23 x 3.27 x 1.94 inches (158.1 x 83.1x 49.3 mm)
Weight: 1lb, 2oz (0.5 kg)
New Product Information
This document contains information for a new product. Altek
Industries Corp reserves the right to modify this product
without notice.
(Temperature Accuracies Converted From Resistance – Based On Ohms Accuracy of ±(0.01% of Reading + 0.075Ω)
RTD TYPE
Pt 100Ω (DIN/IEC/JIS 1989)
Pt 100 (Burns)
Pt 100 (Old JIS 1981)
Pt 100 (US Lab)
Pt 200Ω (DIN/IEC/JIS 1989)
Pt 500Ω (DIN/IEC/JIS 1989)
Pt 1000Ω (Hy-Cal/HVAC)
Pt 1000Ω (DIN/HVAC)
Cu 10 (Minco)
Ni 120 (Pure)
Ni 110 (Bristol 7 NA)
Ohms
Three Year Warranty
Our equipment is guaranteed against defective material and workmanship
(excluding batteries) for a period of three years from date of shipment.
Claims under guarantee can be made by returning the equipment prepaid
to our factory. The equipment will be replaced, repaired or adjusted at our
option. The liability of Altek is restricted to that given under our guarantee.
No responsibility is accepted for damage, loss or other expense incurred
through sale or use of our equipment. Under no condition shall Altek be
held liable for any special, incidental or consequential damage.
Other Products
Altek designs and manufacturers fast, accurate instruments for
measurement, generation and simulation of virtually every process control
signal. Consult our factory directly or contact your local stocking
representative to order precise, low cost Milliamp Calibrators, Voltage
Sources, Thermocouple Sources, RTD Simulators, Frequency Calibrators
and Pressure Pumps, Indicators & Calibrators. Altek also produces
calibrators for custom ranges and unique applications. New models are
frequently added to the Altek family to meet all of your critical calibration
requirements. Altek products are made in the USA.
SPECIFICATIONS
General
RANGES AND ACCURACIES
ALPHA
1.3850
1.3902
1.3916
1.3926
1.3850
1.3850
1.3750
1.3850
1.4274
1.6720
1.5801
0.00 to 409.99Ω ±(0.01% of Reading + 0.075Ω)
410.0 to 2000.0Ω ±(0.01% of Reading + 0.075Ω)
ADDITIONAL INFORMATION
SOURCE MODE (SIMULATION OF RESISTANCE)
Output Resistance Ranges:
0.00 to 409.99 and 410.0 to 2010.0 Ohms
Accuracy from 1 to 10 mA of External Excitation Current:
±(0.01% of reading + 0.075 Ohms)
Accuracy Below 1 mA of External Excitation Current:
±(0.01% of reading +
Allowable External Excitation Current: 0.09 to 10.20mA
Intermittent Excitation Currents: Accepts intermittent
excitation currents with minimum of 56 milliseconds fixed
current at minimum repetition rate of 1/sec from 0.90 to 10 mA.
READ MODE (MEASUREMENT OF RTD SENSORS)
Input Resistance Ranges:
0.00 to 409.99 and 410.0 to 2010.0 Ohms
Accuracy: ±(0.01% of reading + 0.075 Ohms)
Excitation Current Supplied: 1 mA, nominal
Normal Model Rejection: 50/60 Hz, 50 db
Common Mode Rejection: 50/60 Hz, 100 db
RANGE ACCURACY
-200.0 to 200.0°C ±0.2°C
200.0 to 600.0°C ±0.3°C
600.0 to 850.0°C ±0.4°C
-195.6 to 200.0°C ±0.2°C
200.0 to 648.8°C ±0.3°C
-200.0 to 200.0°C ±0.2°C
200.0 to 648.8°C ±0.3°C
-200.0 to 100.0°C ±0.2°C
100.0 to 700.0°C ±0.3°C
700.0 to 862.2°C ±0.4°C
-200.0 to 200.0°C ±0.1°C
200.0 to 700.0°C ±0.2°C
700.0 to 850.0°C ±0.3°C
-200.0 to 600.0°C ±0.1°C
600.0 to 850.0°C ±0.2°C
-184 to 275°C ±1°C
-200 to 265°C ±1°C
-200 to 260°C ±2°C
-80.0 to 315.5°C ±0.1°C
-106.7 to 315.6°C ±0.2°C
0.025 mV
mA Excitation Current
RANGE ACCURACY
-328.0 to 392.0°F ±0.4°F
392.0 to 1112.0°F ±0.6°F
1112.0 to 1562.0°F ±0.7°F
-320.0 to 392.0°F ± 0.4°F
392.0 to 1200.0°F ±0.6°F
-328.0 to 392.0°F ±0.4°F
392.0 to 1200.0°F ±0.6°F
-328.0 to 212.0° ±0.4°F
212.0 to 1292.0°F ±0.6°F
1262.0 to 1584.0°F ±0.7°F
-320.0 to 392.0°F ±0.2°F
392.0 to 1292.0°F ±0.4°F
1292.0 to 1562.0°F ±0.5°F
-320.0 to 1112.0°F ±0.2°F
1112.0 to 1562.0°F ±0.3°F
-300 to 527°F ±1°F
-328 to 510°F ±1°F
-328 to 500°F ±4°F
-112.0 to 524.0°F ±0.2°F
-160.0 to 600.0°F ±0.3°F
Available From
+ 0.05 Ohms)