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Designed for calibration of 4 to 20 ma current loops and sourcing milliamp signals to test loop-powered instruments, this milliamp loop calibrator provides Handheld, 4 to 20 mA, 3" (7.6 cm) x 1.6" (4.1 cm) x 5.63" (14.3 cm) (WxDxH). It has operating temperature range of -4 to 140°F (-20 to 60°C).
Designed for calibration of 4 to 20 ma current loops and sourcing milliamp signals to test loop-powered instruments, this milliamp loop calibrator provides Handheld, 4 to 20 mA, 3" (7.6 cm) x 1.6" (4.1 cm) x 5.63" (14.3 cm) (WxDxH). It has operating temperature range of -4 to 140°F (-20 to 60°C).
The CL309A is a state of the art, highly reliable, rugged and easy-to-use milliamp calibrator. It has the functions necessary to perform all the required maintenance and calibration tasks of virtually any 4 to 20 mA loop.
It provides source and read milliamp functions along with power, measure, and 2-wire transmitter simulations. In addition, it can measure DC Voltage for troubleshooting power supplies.
Features
Applications
| Series | CL309A Series |
| Type | milliamp loop calibrator |
| Configuration | Handheld |
| Output | 4 mA to 20 mA |
| Configuration | 3" (7.6 cm) x 1.6" (4.1 cm) x 5.63" (14.3 cm) (WxDxH) |
| Configuration | LCD Display |
| Size | 5.63 x 3.00 x 1.60" (14.30 x 7.62 x 4.06 cm) |
| Batteries | 4" (10.2 cm)AA" alkaline (included) 1.5 V (Duracell MN1500 or equivalent); optional 120 V AC 50/60 Hz AC adaptor available; NiMh rechargeable battery kit available |
| Operating Temperature Range | -4 to 140°F (-20 to 60°C) |
| Storage Temperature Range | -22 to 140°F (-30 to 60°C) |
| Relative Humidity Range | 10% ≤ RH ≤ 90% (32 to 95°F (0 to 35°C)), non-condensing; 10% ≤ RH ≤ 70% (95 to 140°F (35 to 60°C)), non-condensing |
| Source Ranges and Resolution | 0.00 to 24.00 mA full span or -25.0 to 125.0% of 4 to 20 mA |
| Source Accuracy | ±0.025% at 4.00 mA and 20.00 mA (±0.005 mA) 0.0 to 24.00 mA ±0.05% of 24.00 mA (±0.01 mA) |
| Loop Compliance Voltage | 24 V DC @ 20.00 mA |
| Loop Drive Capability | 1200 Ω at 20 mA for 15 hours nominal |
| Read mA Ranges | 0.00 to 52.00 mA full span OR -25.0 to 300.0% of 4 to 20 mA |
| Voltage Read Range and Resolution | -99.99 to 99.99 V DC full span (FS) |
| Voltage Read Accuracy | ±0.05% of FS |
| Input Resistance | >2 MΩ |
| Miscellaneous | Low battery indication with nominal 1 hour of operation left; over-voltage protection to 135 vrms (rated for 30 seconds) or 240 vrms (rated for 15 seconds); high contrast graphic liquid crystal display with 0.413" (10.5 mm) high digits |
| Source/Power and Measure 2-Wire Transmitters, Ranges and Resolution | 0.00 to 24.00 mA full span or -25.0 to 125.0% of 4 to 20 mA |
| Source/Power Accuracy | EZ check(s) at 4 and 20 mA ±0.025% at 4.00 mA and 20.00 mA (±0.005 mA) 0.0 to 24.00 mA ±0.05% of 24.00 mA (±0.01 mA) |
| Source/Power Noise | ± 0.005 mA of reading |
| Source/Power Temperature Effect | ± 0.005%/°C of FS |
| Source and Power Measure Mode Battery Life | ±30 hrs at 12 mA nominal |
| Read mA Accuracy | Below 24.01 mV: ±0.05% of 24.00 mA (±0.01 mA); Above 24.00 mV: ±0.05% of 52.00 mA (± 0.02 mA) |
| Read mA Voltage Burden | 2 V at 50 mA |
| Read mA Overload/Current Limit Protection | 24 mA nominal |
| Read mA Battery Life | Typical 125 hours nominal |
| 2-Wire Transmitter Simulation Voltage Burden | 2 V at 20 mA |
| 2-Wire Transmitter Simulation Overload/Current Limit Protection | 24 mA nominal |
| 2-Wire Transmitter Simulation Loop Voltage Limits | 2 to 100 V DC (fuse-less protected from reverse polarity connections) |
| 2-Wire Transmitter Simulation Battery Life | 125 hours nominal |
| Voltage Read Temperature Effect | ±100 ppm/°C of FS |
| Voltage Read Input Resistance | >2 MΩ |
| Voltage Read Battery Life | >125 hours nominal |
| Weight | 12.1 oz (343.03 g) |
| Series | CL309A Series |
| Type | milliamp loop calibrator |
| Configuration | Handheld |
| Output | 4 mA to 20 mA |
| Configuration | 3" (7.6 cm) x 1.6" (4.1 cm) x 5.63" (14.3 cm) (WxDxH) |
| Configuration | LCD Display |
| Size | 5.63 x 3.00 x 1.60" (14.30 x 7.62 x 4.06 cm) |
| Batteries | 4" (10.2 cm)AA" alkaline (included) 1.5 V (Duracell MN1500 or equivalent); optional 120 V AC 50/60 Hz AC adaptor available; NiMh rechargeable battery kit available |
| Operating Temperature Range | -4 to 140°F (-20 to 60°C) |
| Storage Temperature Range | -22 to 140°F (-30 to 60°C) |
| Relative Humidity Range | 10% ≤ RH ≤ 90% (32 to 95°F (0 to 35°C)), non-condensing; 10% ≤ RH ≤ 70% (95 to 140°F (35 to 60°C)), non-condensing |
| Source Ranges and Resolution | 0.00 to 24.00 mA full span or -25.0 to 125.0% of 4 to 20 mA |
| Source Accuracy | ±0.025% at 4.00 mA and 20.00 mA (±0.005 mA) 0.0 to 24.00 mA ±0.05% of 24.00 mA (±0.01 mA) |
| Loop Compliance Voltage | 24 V DC @ 20.00 mA |
| Loop Drive Capability | 1200 Ω at 20 mA for 15 hours nominal |
| Read mA Ranges | 0.00 to 52.00 mA full span OR -25.0 to 300.0% of 4 to 20 mA |
| Voltage Read Range and Resolution | -99.99 to 99.99 V DC full span (FS) |
| Voltage Read Accuracy | ±0.05% of FS |
| Input Resistance | >2 MΩ |
| Miscellaneous | Low battery indication with nominal 1 hour of operation left; over-voltage protection to 135 vrms (rated for 30 seconds) or 240 vrms (rated for 15 seconds); high contrast graphic liquid crystal display with 0.413" (10.5 mm) high digits |
| Source/Power and Measure 2-Wire Transmitters, Ranges and Resolution | 0.00 to 24.00 mA full span or -25.0 to 125.0% of 4 to 20 mA |
| Source/Power Accuracy | EZ check(s) at 4 and 20 mA ±0.025% at 4.00 mA and 20.00 mA (±0.005 mA) 0.0 to 24.00 mA ±0.05% of 24.00 mA (±0.01 mA) |
| Source/Power Noise | ± 0.005 mA of reading |
| Source/Power Temperature Effect | ± 0.005%/°C of FS |
| Source and Power Measure Mode Battery Life | ±30 hrs at 12 mA nominal |
| Read mA Accuracy | Below 24.01 mV: ±0.05% of 24.00 mA (±0.01 mA); Above 24.00 mV: ±0.05% of 52.00 mA (± 0.02 mA) |
| Read mA Voltage Burden | 2 V at 50 mA |
| Read mA Overload/Current Limit Protection | 24 mA nominal |
| Read mA Battery Life | Typical 125 hours nominal |
| 2-Wire Transmitter Simulation Voltage Burden | 2 V at 20 mA |
| 2-Wire Transmitter Simulation Overload/Current Limit Protection | 24 mA nominal |
| 2-Wire Transmitter Simulation Loop Voltage Limits | 2 to 100 V DC (fuse-less protected from reverse polarity connections) |
| 2-Wire Transmitter Simulation Battery Life | 125 hours nominal |
| Voltage Read Temperature Effect | ±100 ppm/°C of FS |
| Voltage Read Input Resistance | >2 MΩ |
| Voltage Read Battery Life | >125 hours nominal |
| Weight | 12.1 oz (343.03 g) |
