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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: YEHAI
  • Model Number: YH7007
  • Warranty: Two years
  • Weight: 224g
  • Span check: Yes
  • Size: 152 x 70 x 41 mm

Packaging & Delivery

Packaging Details: carton box for outer ,gift box for unit

 

YH7007 Loop Calibrator 250ohms Hart Equivalent to Fluke-707 Loop Calibrator

YH7007 Loop Calibrator with 0.025% Accuracy And 250ohms Hart

Selectable slow ramp, fast ramp, and step ramp to provide smooth outputs for valve slewing and loop functional tests.

Loop Calibrator YH7007

Features

The fast, one-handed tool for loop checks. Just click to calibrate.

This feature-rich solution combines the best features push-button and knob-base loop calibrator and offers:

Large display and simple, quick-click interface for easy one-handed operation.

Simultaneous mA and % readout for quick, easy interpretation of readings.

mA accuracy of 0.025%, superior to other loop calibrators in this price range.

1 µA resolution for mA source, simulate and measure.

Push button 25% steps for fast, easy linearity checks.

0-100% “span check” for fast confirmation of zero and span.

Selectable slow ramp, fast ramp, and step ramp to provide smooth outputs for valve slewing and loop functional tests.

24 volt internal loop supply, so you can power and read a transmitter at the same time without carrying a DMM.

Measures V dc to 28 V.

Single 9V battery that is easily changed without braking calibration seal

0 - 20 mA or 4 - 20 mA default start up modes.

Innovative output adjustment dial with 1 µA and 100 resolution.

HART ™ mode connects 250 Ω resistor in series with 24 V loop for compatibility with HART communicators.

 

Specifications

Current Measurement

Range:

0 to 24 mA

Resolution:

0.001 mA

Accuracy:

0.025% Rdg + 2 LSD

Current Sourcing

Range:

0 to 20 mA or 4 to 20 mA

Accuracy:

0.025% Rdg + 2 LSD

Drive Capability:

1200 Ω; 950 Ω at 20 mA in HART mode

Current Simulation

Range:

0 to 20 mA or 4 to 20 mA

Accuracy:

0.025% Rdg + 2 LSD

Ext. loop voltage requirement:

12-30 V

Loop Power

While measuring mA, 24 V

Voltage measurement

Range:

0 to 28 V DC

Resolution:

1 mV

Accuracy:

0.025% Rdg + 2 LSD

Safety Specifications

Maximum voltage 30V

Mechanical & General Specifications

Size 152 x 70 x 41 mm Weight 224 g (340 g including holster)

Warranty Two years

 

Display current and % of span Yes

Auto step, auto ramp Yes

 

Accesories included

ItemDesriptionQuantity
1a single 9v alkaline battery1
2Test lead1
3bending test plug wire clip1
4Aapter DV 9v 1A1
5Instruction sheet1
6certification1

 

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