Eltek Squirrel 1000 Series User Manual (English)

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Table Of Contents

1. Introduction ............................................................................. 4

2. The functions of the datalogger ............................................. 5

2.1 LOG ................................................................................ 5

2.2 METER ........................................................................... 5

2.3 REVIEW ......................................................................... 5

2.4 TIME / date ..................................................................... 5

2.5 START time / date........................................................... 5

2.6 INT log / sample (logging/sampling interval) .................... 5

2.7 OUTPUT ......................................................................... 5

2.8 MODE ............................................................................. 6

2.9 CHANNEL SETUP .......................................................... 6

2.10 STAT (status)................................................................. 6

3. How to start logging from the default settings ...................... 7

3.1 Set time/date ................................................................... 7

3.2 Select logging interval ..................................................... 8

3.3 Set the type of logging required ....................................... 8

3.4 Set the number and types of channels ............................. 9

3.5 Start logging .................................................................. 11

3.6 Stop logging .................................................................. 12

4. More about the functions of the datalogger ........................ 13

4.1 The LOG function .......................................................... 13

4.2 The METER function ..................................................... 15

4.3 The REVIEW function ................................................... 16

4.4 The TIME and date function .......................................... 17

4.5 The delayed START function......................................... 17

4.6 The INT function (logging/sampling interval) .................. 19

4.7 The OUTPUT function ................................................... 20

4.8 The MODE function ....................................................... 21

4.9 The CHANNEL SETUP function .................................... 27

4.10 The STAT function ....................................................... 30

5. Connecting sensors/signals to the datalogger.................... 35

5.1 Wiring up thermistor sensors ......................................... 35

5.2 Wiring up platinum resistance sensors .......................... 35

5.3 Wiring up sensors to voltage channels .......................... 36

5.4 Wiring up sensors to current channels ........................... 36

5.5 How to provide a power supply to the sensors ............... 37

5.6 Wiring up Current Loop Sensors driven by the Squirrel .. 38

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Eltek Squirrel 1000 Series Specifications

General

Enclosure	IP65
Input Type	Voltage, Current
Accuracy	±0.1% of reading
Sampling Rate	Up to 10 Hz
Communication	USB, Ethernet
Power Supply	Battery or external power

Summary

1. Introduction to the Datalogger

Operating Buttons Overview

Explains the function of the three main buttons on the datalogger's front panel.

2. Datalogger Functions Explained

Core Functions (LOG, METER, REVIEW)

Details starting/stopping logging, displaying values, and reviewing recorded data.

Setup and Status Functions

Covers setting time/date, intervals, modes, channels, and viewing status information.

3. Starting Logging Procedures

Initial Setup Procedures

Guides on setting time/date, logging intervals, and logging types.

Channel Configuration and Starting

Details setting up channels, starting, and stopping the logging process.

4. Advanced Datalogger Functions

LOG, METER, REVIEW, TIME/DATE Functions

Explains detailed operation of LOG, METER, REVIEW, and TIME/DATE functions.

Interval, Output, Mode, Channel Setup

Covers setting intervals, data output, logging modes, and channel configuration.

STAT Function and Other Modes

Details status information display and various logging modes like event and external trigger.

5. Sensor and Signal Connections

Wiring Thermistor and Resistance Sensors

Guides on connecting thermistor and platinum resistance sensors.

Wiring Voltage, Current, Pulse, Event

Details connecting voltage, current, pulse count, and event channels.

External Trigger Connections

Explains how to wire external signals to start or stop logging.

6. Troubleshooting Guide

Impossible Operations

Lists operations not possible during logging or with stored data.

7. Memory Card Operations

Card Preparation and Settings

Covers card types, preparation, formatting, and Squirrel settings for memory cards.

Data Extraction and Management

Explains choosing memory, copying data, and extracting data using the Darca utility.

8. Electricity Squirrels (1010, 1020)

Logger Functions and Ranges

Details interval logging, maximum value review, and selecting appropriate input ranges.

Connection Guide

Lists connectable sensor types and refers to connection details.

9. pH Channel Setup

Channel Selection and Temperature Compensation

Covers selecting pH channels and methods for temperature compensation.

pH Calibration Procedures

Guides through calibrating pH probes at midpoint and slope.

pH Probe Care and Power

Discusses power consumption, battery life, and proper care for pH probes.

10. Special Instructions

Alarm Configuration

Explains how to set high and low alarms for each channel.

Wind Speed & Direction Features

Details special averaging for wind direction and related measurements.

11. Fast Logging Capabilities

Fast Logging Interval Setup

Details requirements and operation for fast logging mode with intervals below one second.

Data Translation and Darca Contact

Explains data translation for fast logging and contact limitations.

12. Safety and Operating Conditions

Operator and Equipment Safety

Covers electrical safety, voltage limits, and environmental operating conditions.

Battery and Memory Management

Details battery changing, memory protection, and datalogger resetting procedures.

Maintenance and Upgrades

Guides on changing fuses, memory, and sensor supply voltage jumpers.

13. Technical Data

Inputs, Ranges, and Resolutions

Provides a table of input types, available ranges, and measurement resolutions.

Key Specifications Summary

Summarizes accuracy, environment, power, interface, and sensor power specifications.

Eltek Squirrel 1000 Series User Manual

Table of Contents