The information in this document is subject to change without notice. Chroma ATE INC. makes no warranty of any kind with regard to this manual, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Any recommendations made by Chroma for use of its products are based upon tests believed to be reliable, but Chroma makes no warranty of the results to be obtained. This warranty is in lieu of all other warranties, expressed or implied, and no representative or person is authorized to represent or assume for Chroma any liability in connection with the sale of our products other than set forth herein.
Page 5
Storage. Freight. Maintenance. Disposal Storage When don’t use the device, please pack it properly and store under a good environment. (The packing is no needed when the device under appropriate environment.) Freight Please use the original packing material when move the device. If the packing material is missing, please use the equivalent buffer material to pack and mark it fragile and waterproof etc to avoid the device damage during movement.
Revision History The following lists the additions, deletions and modifications in this manual at each revision. Date Version Revised Sections Jan. 2003 Complete this manual. Modify ”Specifications (18°C ∼ 28°C RH ≤ 70%)” April 2003 1.1 “Standard Accessory” “Rear Panel” “RS-485 Interface”...
Introduction 1.4 Standard Accessory Item Part Number Q’ty Description Power Cord W12 010130 Line cord 3P – 2P Adapter N31 000039 Power cord adapter Test Cable (1) W38 001940 Withstanding test cable for HIGH terminal Test Cable (2) W38 001760 Withstanding test cable for LOW terminal Test Cable (3) W38 001930...
Operation and Setting 2. Operation and Setting 2.1 Front Panel The front panel is divided into several function areas. This section explains each control and the information displays on LCD. Button Area Button Area Stop Button Display Area Function Key Display Area Function Keys Power Switch Status Line Pass Indicator Test Status Indicator Common Test Terminal...
Start Button [START]: Press this button the instrument will be in test state, which means there are outputs at the test terminal and all judgment functions are activated. Calibration Switch: It is used by Chroma for calibration before shipping the product. Nonprofessional is prohibited to use this function to avoid causing any damage.
2.2 Rear Panel The rear panel is divided into several areas. This section describes the function of each area. The standard rear panel of 19071/19072/19073: (2) (8) The rear panel of link test model of 19073 + RS485 is shown as below: (10) www.valuetronics.com...
Page 19
Operation and Setting (4) EARTH GROUND TERMINAL: Terminal Grounding for Safety Use appropriate tools to ground this terminal surely. If it is not grounded surely, when the power circuit or any other devices connection short-circuited with the ground terminal, the instrument chassis may contain high voltage. This is very dangerous as it may cause electric shock if anyone touches it under the situation;...
Operation and Setting (4) At this time use Function Key [F1] and [F2] to move the highlight to the memory for processing, then press Function Key [F3] will prompt a confirmation window. Press Function Key [ENTER] to confirm and Function Key [UP] or [DOWN] to select stored character of file name.
HIPOT Tester 19071/19072/19073 User’s Manual (3) System Parameter Setting Table Item Range Default Description CONTRAST 1∼15 Adjust the LCD brightness BUZZER VOLUME HIGH/MEDIUM HIGH Adjust the buzzer volume /LOW/OFF EN50191 ON/OFF The output is meet to EN50191 requirement (AC Max 3mA,DC Max...
Operation and Setting 2.3.4 PROGRAM Parameter Setting www.valuetronics.com...
Page 24
HIPOT Tester 19071/19072/19073 User’s Manual (1) AC HiPot Test Mode STEP 1/1 LOW : OFF ARC : OFF VOLT:0.000kV RAMP: OFF DOWN HIGH:0.500mA FALL: OFF TIME: 3.0s NEXT EXIT SELECT MODE LOCK OFST VOLT : Set the required voltage for HiPot test.
Page 25
Operation and Setting (3) Insulation Resistance Test Mode STEP 1/1 HIGH : OFF RAMP : OFF VOLT :0.000kV DWELL: OFF DOWN LOW : 1.0MΩ FALL : OFF TIME : 3.0s NEXT EXIT SELECT MODE LOCK OFST ERR VOLT : Set the required voltage for insulation resistance test. : Set the low limit for insulation resistance.
HIPOT Tester 19071/19072/19073 User’s Manual 2.4 How to Perform Tests www.valuetronics.com...
Page 27
Operation and Setting “Line 4” indicates the testing time set under STANDBY state; or the remaining testing time under TEST state. “Line 5” is the “Status Line” that shows the current state or test results. (3) Press [STOP] to enable it standby for test and the “Status Line” shows “STANDBY”. (4) Press [START] to begin the test.
Operation and Setting 2.5.2 Auto Range (1) Set WV-AUTO RANGE as ON under PRESET function list. (2) The current set to high range as below shown. STEP 1/1 AC LOW : OFF PROGRAM ARC : OFF 0.050kV RAMP : OFF PRESET FALL : OFF 20.00mA...
HIPOT Tester 19071/19072/19073 User’s Manual CHANGE PASSWORD NEW PASSWORD:**** ENTER RETURN 1-10 CHAR. LOCK OFST ERR (3) Use Function Key [A] and [B] to input the NEW PASSWORD (maximum10 characters), and press Function Key [ENTER] will display the “CONFIRM” window.
Page 31
Operation and Setting www.valuetronics.com...
Page 32
HIPOT Tester 19071/19072/19073 User’s Manual to control the external signal. The connecting point specification is 115V AC, current less than 0.3A. The action time is from the DUT is passed until it is stopped. www.valuetronics.com...
Installation and Maintenance 3. Installation and Maintenance 3.1 Notices for Installation This instrument generates high voltage output up to 6KV for external test. Any incorrect or mistaken procedures in using this instrument may cause injury or death. Thus for your safety, be sure to read through the notices described in this chapter and memorize them to prevent any accidents from happening.
Page 34
HIPOT Tester 19071/19072/19073 User’s Manual probe, and output terminal when the instrument is in test mode. DO NOT touch the alligator clip as shown below on the test cable when the system is in test mode as the rubber insulation is not good enough and may cause danger if touched.
Page 35
Installation and Maintenance <Formula> –t/RC Test Voltage * e = Residual Voltage –t/RC Ex.: 1000V * e = 30V –t/RC = ln 0.03 - t / RC = -3.5 t = 3.5 sec www.valuetronics.com...
Page 36
HIPOT Tester 19071/19072/19073 User’s Manual power cord. Do not use it again as the failure is very dangerous. Send it back Chroma or dealer for repair and services. www.valuetronics.com...
Page 37
Installation and Maintenance if over the range. The storage temperature is -10ºC~60°C, ≤ 80% RH. If you are not planning to use it for a long period of time, pack it with the original box for storage. For the sake of correct test and safety of this instrument, make sure not to store it in a place with direct sunlight or high temperature, also away from shaky, damp and dusty area.
Besides replacing the fuse (see 3.1.3 Solving Problems) or other notified in the manual, there is no troubleshooting to be performed by user. Please contact Chroma or sales agent when any abnormal condition occurs in this device. Do not perform maintenance by yourself to avoid causing any unnecessary hazards that may damage the device.
Calibration Procedure 4. Calibration Procedure Before performing this section the HiPot tester must warm up at least for 30 minutes. Take off the calibration label at the front panel and press the lock switch. After completed the calibration, please press the lock switch again for opening the hardware data backup protection circuit to avoid calibration data loss.
Calibration Procedure [ENTER] for saving. (5) Press [STOP] to stop ACV voltage offset calibration. (6) Press [UP] to change to the next calibration item. (7) Press [STOP][START] to read the high voltage meter value, ex. 4.052kV. (8) Press [INC.] or [DEC.] until shows 4.052 kV and press [ENTER] for saving. (9) Press [STOP] to stop ACV voltage full scale calibration.
HIPOT Tester 19071/19072/19073 User’s Manual (8) Press [INC.] or [DEC.] until shows 4.052 kV and then press [ENTER] for saving. (9) Press [STOP] to stop DCV voltage full scale calibration. 4.2.4 IRV Calibration (DC/IR Mode) (1) Press [UP] or [DOWN] to select IRV offset calibration.
Calibration Procedure Current Calibration 4.3.1 Connection Diagram Caution The dummy load connected to HiPot terminal contains high voltage. Be very careful with it as it may cause hazard. 4.3.2 ACA Calibration (AC MODE) www.valuetronics.com...
Page 44
HIPOT Tester 19071/19072/19073 User’s Manual (6) Change the dummy load resistor to 500kΩ 10watt or higher. (7) Press [STOP][START] to read the ammeter value, ex. 2.450mA. (8) Press [INC.] or [DEC.] until shows 2.450mA and then press [ENTER] for saving.
HIPOT Tester 19071/19072/19073 User’s Manual (12) Press [INC.] or [DEC.] until shows 2.45mA and then press [ENTER] for saving. (13) Press [STOP] to stop DCA 5.0mA range offset calibration. (14) Press [UP] to change to the next calibration item. (15) Change the dummy load resistor to 250kΩ 20watt or higher.
Calibration Procedure Caution 1. ARC calibration is very special, the high voltage terminal are in outside. Be careful with it as it may cause hazard. 2. Please contact your local agent for more detailed descriptions. 4.4.2 AC ARC Calibration (AC MODE) www.valuetronics.com...
HIPOT Tester 19071/19072/19073 User’s Manual Press [RETURN] twice to exit ARC reading setting. Press [STOP] [START] for starting test. Press [INC.] or [DEC.] to adjust the low terminal of HiPot tester get closer to another terminal of the dummy load resistor gradually, and generate sparking between these two.
Page 49
Calibration Procedure Press [STOP] to stop IRR range 1 calibration. Press [UP] to change to the next calibration item. Change the standard dummy load resistor to 100MΩ. Press [STOP] [START]. Press [INC.] or [DEC.] until shows the standard resistance value, ex. 100MΩ and then press [ENTER] for saving.
Calibration Procedure (5) Press [ENTER] for saving the calibration value. (6) Press [STOP] to stop GC 5Ω Offset calibration. Change the standard resistor to 3Ω. (1) Press [UP]. (2) Connect resistor to ground and CONT.CHK OPTION terminal of rear panel. (3) Press [STOP][START] to read GC resistance value 3Ω.
RS485 Interface (For Link Model of 19073 + RS485) RS485 Interface (For Link Model of 19073 + RS485) If link model of 19073 + RS485 is purchased, please refer this chapter. 5.1 Description of Function RS485 interface can connect multi-device, and it up to multi-device test synchronously through Master operation.
HIPOT Tester 19071/19072/19073 User’s Manual signal meanings of Master are as the following: UNDER TEST signal: It means Slave in testing. PASS signal: It means all Slave connections are normal and the test completed. FAIL signal: It means Slave not complete the test, may be the connections abnormal.
RS485 Interface (For Link Model of 19073 + RS485) 5.4 Communication Protocol This interface uses half duplex of 2-wire system non-synchronized transmission mode. Master Slave 1 Slave n Before the bus control is transferred, please wait the time of two characters. Master Slave1 Master...
HIPOT Tester 19071/19072/19073 User’s Manual Command Code Parameter 1 byte 0 ~ n-1 bytes Checksum: Summing these values into two supplements, included data are DA + SA + Length + Data Field 5.5 Command List Commands Code (Hex) *IDN? 0x90...
Page 57
0x01 = Source Address 0x16 = Data Field Length 0x90 = Command Code 0x43 0x48 0x52 0x4F 0x4E 0x4D 0x41 = “CHROMA” Company Name (return data) 0x2C = “,” (return data) 0x31 0x39 0x30 0x37 0x33 = “19073” Device Name (return data) 0x2C = “,”...
Page 59
RS485 Interface (For Link Model of 19073 + RS485) 0x01 = Source Address 0x02 = Data Field Length 0x7F = Reply Message Command Code 0x00 = Reply Message Return Data 0x0E = Checksum Offset Get/Off Description: It switches OFFSET status. Command code: 0x23 Parameter:...
Page 60
HIPOT Tester 19071/19072/19073 User’s Manual The reading meanings of returning HEX code are as the following: 0xAB = Header 0x70 = Destination Address 0x01 = Source Address 0x02 = Data Field Length 0xA3 = Command Code 0x00 = 0: Off (Return Data)
Page 61
RS485 Interface (For Link Model of 19073 + RS485) Reserved Reserved Reserved Reserved GC Mode Name Size (byte) Unit Range Description Step index 1~10 Must less or equal original step number + 1 Mode GC mode Source 0/100 Reserved Reserved Dwell Time 100mS 1~10...
Page 62
HIPOT Tester 19071/19072/19073 User’s Manual 0x0E = Checksum The reading meanings of returning HEX code are as the following: 0xAB = Header 0x70 = Destination Address 0x01 = Source Address 0x02 = Data Field Length 0x7F = Reply Message Command Code...
Page 63
RS485 Interface (For Link Model of 19073 + RS485) 0x0B = Checksum Preset Parameters Description: It sets all parameters of Preset. Command code: 0x25 Parameter: 6 bytes Name Size Unit Range Description (byte) AC Frequency 50/60 Software AGC 0:OFF, 1:ON WV Auto Range 0:OFF, 1:ON IR Auto Range...
RS485 Interface (For Link Model of 19073 + RS485) 0x43 0x48 0x52 0x4F 0x4D 0x41 = ”CHROMA” Memory Name (Command Parameter) 0xA6 = Checksum The reading meanings of returning HEX code are as the following: 0xAB = Header 0x70 = Destination Address...
HIPOT Tester 19071/19072/19073 User’s Manual Descriptions of example The setting meanings of HEX inputs are as the following: 0xAB = Header 0x01 = Destination Address 0x70 = Source Address 0x02 = Data Field Length 0x28 = Command Code 0x01 = “01” Memory S/N (Command Parameter)
Page 67
RS485 Interface (For Link Model of 19073 + RS485) The reading meanings of returning HEX code are as the following: 0xAB = Header 0x70 = Destination Address 0x01 = Source Address 0x02 = Data Field Length 0x7F = Reply Message Command Code 0x00 = Reply Message Return Data 0x0E = Checksum System Setting?
Page 68
HIPOT Tester 19071/19072/19073 User’s Manual Descriptions of example The setting meanings of HEX inputs are as the following: 0xAB = Header 0x01 = Destination Address 0x70 = Source Address 0x02 = Data Field Length 0x2A = Command Code 0x01 = “01”key board lock ON, recall key lock (Command Parameter)
Page 69
RS485 Interface (For Link Model of 19073 + RS485) Initialize All Steps Parameters Description: It sets all steps to the initial setting, this command will delete all steps. Command code: 0x2C Parameter: None Return data: Reply Message Example: Master (0x70): 0xAB 0x01 0x70 0x01 0x2C 0x62 Slave (0x01): 0xAB 0x70 0x01 0x02 0x7F 0x00 0x0E Descriptions of example...
HIPOT Tester 19071/19072/19073 User’s Manual 0x05 = “05” the step numbers of being set (Return Data) 0xDB = Checksum Remote/Local Description: It switches the device to remote or local control. Command code: 0x2E Parameter: 1 byte 0: Go to Local.
Page 71
RS485 Interface (For Link Model of 19073 + RS485) 0x01 = Data Field Length 0xAB = Command Code 0xE0 = Checksum The reading meanings of returning HEX code are as the following: 0xAB = Header 0x70 = Destination Address 0x01 = Source Address 0x02 = Data Field Length 0xAE = Command Code 0x00 = “1”...
Page 72
HIPOT Tester 19071/19072/19073 User’s Manual Meter 3 Reserved Ramp Time 100mS 30000: Maximum, 31000: Not Value Dwell Time 100mS 30000: Maximum, 31000: Not Value Test Time 100mS 30000: Maximum, 31000: Not Value Fall Time 100mS 30000: Maximum, 31000: Not Value...
Page 73
RS485 Interface (For Link Model of 19073 + RS485) Return test result codes: Mode Code HEX DEC HEX DEC HEX DEC HEX DEC HEX DEC STOP USER INTERRUPT CAN NOT TEST TESTING PASS SKIP GFI FAIL HIGH FAIL LOW FAIL ARC FAIL I/O FAIL NO OUTPUT...
RS485 Interface (For Link Model of 19073 + RS485) 5.7 Flow Diagram 1. Confirm if all of Slaves’ communication is normal or not: www.valuetronics.com...
Page 76
HIPOT Tester 19071/19072/19073 User’s Manual Upload the test steps from one slave then download to all slaves. www.valuetronics.com...
Page 77
RS485 Interface (For Link Model of 19073 + RS485) Read the measurement data: www.valuetronics.com...
Taiwan please contact your local Chroma distributor. 6.2 Instrument Return Before returning an instrument to Chroma for service please call our Service Department at 886-2-22983855 for return material authorization. It will be necessary to include a purchase order number to ensure expedient processing, although units found to be in warranty period will be repaired at no-charge.
Need help?
Do you have a question about the 19071 and is the answer not in the manual?
Questions and answers